{"id":26456,"date":"2026-03-24T15:20:08","date_gmt":"2026-03-24T14:20:08","guid":{"rendered":"https:\/\/www.vallourec.com\/news\/improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions\/"},"modified":"2026-03-24T18:39:59","modified_gmt":"2026-03-24T17:39:59","slug":"improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions","status":"publish","type":"news","link":"https:\/\/www.vallourec.com\/fr\/news\/improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions\/","title":{"rendered":"Am\u00e9liorer l\u2019int\u00e9grit\u00e9 des puits g\u00e9othermiques \u00e0 haute temp\u00e9rature gr\u00e2ce \u00e0 des solutions anti-\u00e9crasement"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26456\" class=\"elementor elementor-26456 elementor-26430\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c58bada elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c58bada\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6ee3435\" data-id=\"6ee3435\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-acd364f elementor-widget elementor-widget-image\" data-id=\"acd364f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"1000\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/image-collapse-1.jpg\" class=\"attachment-large size-large wp-image-26443\" alt=\"\" srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/image-collapse-1.jpg 750w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/image-collapse-1-225x300.jpg 225w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-64f5467\" data-id=\"64f5467\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9294b9a elementor-widget elementor-widget-text-editor\" data-id=\"9294b9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>L\u2019\u00e9lectricit\u00e9 renouvelable issue de la g\u00e9othermie \u00e0 haute temp\u00e9rature est en passe de devenir l\u2019un des principaux moteurs de la transformation \u00e9nerg\u00e9tique mondiale. Plus les forages descendent \u00e0 des profondeurs importantes dans des r\u00e9servoirs \u00e0 tr\u00e8s haute temp\u00e9rature, souvent au\u2011del\u00e0 de 250\u202f\u00b0C, plus le potentiel de production d\u2019\u00e9nergie augmente. Ces nouvelles opportunit\u00e9s s\u2019accompagnent toutefois d\u2019une complexit\u00e9 accrue\u202f: les temp\u00e9ratures extr\u00eames exercent des contraintes m\u00e9caniques et structurelles consid\u00e9rables sur les puits. Garantir l\u2019int\u00e9grit\u00e9 des puits sur le long terme dans de telles conditions est donc devenu un enjeu capital pour le d\u00e9veloppement des projets g\u00e9othermiques.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d719775 elementor-widget elementor-widget-text-editor\" data-id=\"d719775\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Afin de r\u00e9pondre \u00e0 ce d\u00e9fi, Vallourec a men\u00e9 les tout premiers essais physiques de r\u00e9sistance \u00e0 l\u2019\u00e9crasement \u00e0 haute temp\u00e9rature sur des tubes de cuvelage*. Ces tests ont permis d\u2019obtenir des donn\u00e9es exp\u00e9rimentales in\u00e9dites sur le comportement r\u00e9el des tubes dans des conditions d\u2019exploitation g\u00e9othermique r\u00e9elles. Ces r\u00e9sultats constituent une avanc\u00e9e majeure pour la conception des puits g\u00e9othermiques et apportent aux op\u00e9rateurs la confiance n\u00e9cessaire pour choisir les mat\u00e9riaux mieux adapt\u00e9s aux environnements \u00e0 tr\u00e8s haute temp\u00e9rature.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c94e25 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c94e25\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0ab7ff8\" data-id=\"0ab7ff8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c82492 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4c82492\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fccc284 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fccc284\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fb46ea8\" data-id=\"fb46ea8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4af1882 elementor-widget elementor-widget-title\" data-id=\"4af1882\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div>\n      <h2 class=\"title-h2 text-left \" id=\"\">Ecrasement des tubes de cuvelage : un risque r\u00e9el dans les projets g\u00e9othermiques \u00e0 haute temp\u00e9rature<\/h2>\n  <\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f534cb4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f534cb4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-857c66f\" data-id=\"857c66f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d3a96b9 elementor-widget elementor-widget-text-editor\" data-id=\"d3a96b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;\u00e9crasement des tubes de cuvelage est l&rsquo;un des probl\u00e8mes d&rsquo;int\u00e9grit\u00e9 les plus critiques dans les puits \u00e0 haute temp\u00e9rature. Des cas document\u00e9s dans des r\u00e9gions g\u00e9othermiques telles que l\u2019Islande ou l\u2019Indon\u00e9sie montrent que des puits peuvent c\u00e9der sous l\u2019effet de fortes charges thermiques. Ces d\u00e9faillances r\u00e9sultent le plus souvent d\u2019une cimentation insuffisante ou de poches d\u2019eau peu profondes, qui g\u00e9n\u00e8rent des pics de pression inattendus pendant l\u2019exploitation.<\/p><p>Lorsqu\u2019un cuvelage est \u00e9cras\u00e9, la section de circulation interne se r\u00e9tr\u00e9cit consid\u00e9rablement. Cela a pour cons\u00e9quence de r\u00e9duire le rendement thermique et d\u2019affecter directement la rentabilit\u00e9 du projet, ce qui peut conduire les exploitants \u00e0 abandonner totalement le puits. La pr\u00e9vention des risques d\u2019\u00e9crasement n\u2019est donc pas seulement un imp\u00e9ratif de s\u00e9curit\u00e9\u202f: elle constitue une n\u00e9cessit\u00e9 strat\u00e9gique pour la viabilit\u00e9 \u00e9conomique \u00e0 long terme des exploitations g\u00e9othermiques.<\/p><p>Malgr\u00e9 cet environnement exigeant, de nombreux puits g\u00e9othermiques continuent d\u2019\u00eatre con\u00e7us avec des grades d\u2019acier standards tels que le K55 ou le L80, initialement destin\u00e9s \u00e0 des conditions bien moins rigoureuses. Historiquement, l\u2019industrie s\u2019appuyait presque exclusivement sur la mod\u00e9lisation th\u00e9orique pour pr\u00e9dire le comportement de ces tubes \u00e0 haute temp\u00e9rature, car aucun essai <strong>physique de pression \u00e0 l\u2019\u00e9crasement n\u2019avait \u00e9t\u00e9 r\u00e9alis\u00e9 \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es<\/strong>. Les op\u00e9rateurs se retrouvaient ainsi d\u00e9pourvus de donn\u00e9es fiables et valid\u00e9es au stade de la conception du puits, lorsqu\u2019elles sont le plus n\u00e9cessaires.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c3506f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9c3506f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9f55a2 elementor-widget elementor-widget-title\" data-id=\"b9f55a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div>\n      <h2 class=\"title-h2 text-left \" id=\"\">Une premi\u00e8re mondiale : des essais de r\u00e9sistance \u00e0 l\u2019\u00e9crasement \u00e0 haute temp\u00e9rature<\/h2>\n  <\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31714f6 elementor-widget elementor-widget-text-editor\" data-id=\"31714f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Conscient de cette lacune majeure, Vallourec a consacr\u00e9 d\u2019importants moyens de R&amp;D au d\u00e9veloppement et \u00e0 la validation de solutions sp\u00e9cifiquement adapt\u00e9es aux applications g\u00e9othermiques \u00e0 haute temp\u00e9rature. Ces travaux s\u2019appuient sur l\u2019exp\u00e9rience acquise depuis des d\u00e9cennies par Vallourec dans le domaine des <strong>grades \u00e0 haute r\u00e9sistance \u00e0 l\u2019\u00e9crasement<\/strong>, caract\u00e9ris\u00e9s par un meilleur contr\u00f4le g\u00e9om\u00e9trique, des contraintes r\u00e9siduelles optimis\u00e9es et des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures, leur conf\u00e9rant une r\u00e9sistance \u00e0 l\u2019\u00e9crasement jusqu\u2019\u00e0 <strong>40<\/strong><strong>\u202f% sup\u00e9rieure<\/strong> \u00e0 celle des tubes API standards.<\/p><p>Initialement d\u00e9ploy\u00e9s dans les environnements p\u00e9troliers et gaziers les plus exigeants, ces mat\u00e9riaux de pointe jouent aujourd\u2019hui un r\u00f4le cl\u00e9 dans l\u2019\u00e9volution de la conception des puits g\u00e9othermiques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a31d1d7\" data-id=\"a31d1d7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bf6a313 elementor-widget elementor-widget-image\" data-id=\"bf6a313\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"226\" height=\"863\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/schema-collapse.png\" class=\"attachment-large size-large wp-image-26437\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5ad581f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5ad581f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0937746\" data-id=\"0937746\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b3a7fa elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2b3a7fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1835190 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1835190\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9b76d4e\" data-id=\"9b76d4e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31697c2 elementor-widget elementor-widget-image\" data-id=\"31697c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal.jpg\" class=\"attachment-large size-large wp-image-26439\" alt=\"\" srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal.jpg 1024w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal-300x225.jpg 300w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal-768x576.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d3b4124 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d3b4124\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-54eb6d4\" data-id=\"54eb6d4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c4365e9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c4365e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a7607a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a7607a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a9c75d5\" data-id=\"a9c75d5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-22d39e4 elementor-widget elementor-widget-text-editor\" data-id=\"22d39e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Une avanc\u00e9e d\u00e9cisive a \u00e9t\u00e9 franchie au moment o\u00f9 Vallourec a r\u00e9alis\u00e9 les <strong>tout premiers essais physiques de pression d\u2019\u00e9crasement sur des cuvelages \u00e0 haute temp\u00e9rature<\/strong>. Quinze tubes de cuvelage de 13\u202f3\/8&Prime; 72,00\u202f#, fabriqu\u00e9s en acier propri\u00e9taire <strong>VM80HC<\/strong>, l\u2019un des diam\u00e8tres les plus courants dans les puits de g\u00e9othermie, ont \u00e9t\u00e9 test\u00e9s, notamment dans le cadre d\u2019essais statiques \u00e0 <strong>250<\/strong><strong>\u202f<\/strong><strong>\u00b0C<\/strong>. Les r\u00e9sultats ont montr\u00e9 une excellente corr\u00e9lation avec les mod\u00e8les th\u00e9oriques de Vallourec, fournissant pour la premi\u00e8re fois \u00e0 l\u2019industrie des donn\u00e9es exp\u00e9rimentales valid\u00e9es sur la r\u00e9sistance \u00e0 l\u2019\u00e9crasement \u00e0 haute temp\u00e9rature.<\/p><p>La r\u00e9sistance nettement sup\u00e9rieure du VM80HC par rapport aux grades L80 ou K55 marque un tournant d\u00e9cisif pour les op\u00e9rateurs, qui disposent d\u00e9sormais de donn\u00e9es tangibles pour s\u00e9lectionner les mat\u00e9riaux capables de r\u00e9sister \u00e0 des conditions d\u2019exploitation extr\u00eames tout en garantissant la fiabilit\u00e9 des installations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ccf93d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6ccf93d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-299b7a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"299b7a7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8e99d95\" data-id=\"8e99d95\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0f6c7c5 elementor-widget elementor-widget-text-editor\" data-id=\"0f6c7c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Des capacit\u00e9s de tests avanc\u00e9es au service des performances \u00e0 haute temp\u00e9rature<\/strong><\/p><p>La r\u00e9alisation de ces essais \u00e0 haute temp\u00e9rature a n\u00e9cessit\u00e9 des investissements sp\u00e9cifiques au Centre de Recherche Vallourec, situ\u00e9 \u00e0 Aulnoye\u2011Aymeries, dans le nord de la France, dans le but de d\u00e9velopper de nouveaux \u00e9quipements de tests et une m\u00e9thodologie d\u00e9di\u00e9e, parfaitement adapt\u00e9e \u00e0 ces conditions. Ce nouveau dispositif comprenait un contr\u00f4le thermique pr\u00e9cis, associ\u00e9 \u00e0 une surveillance rigoureuse des pressions et des charges, afin de mener en toute s\u00e9curit\u00e9 des \u00e9valuations de r\u00e9sistance \u00e0 la pression d\u2019\u00e9crasement \u00e0 des temp\u00e9ratures tr\u00e8s \u00e9lev\u00e9es.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-39fa4b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39fa4b7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-419cff3\" data-id=\"419cff3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-199068c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"199068c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-41634a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"41634a8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cfb2d5a\" data-id=\"cfb2d5a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6eded4a elementor-widget elementor-widget-text-editor\" data-id=\"6eded4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sans se limiter \u00e0 la validation d\u2019un seul grade d\u2019acier, ce dispositif unique vient renforcer l\u2019ensemble de l\u2019offre de solutions haute temp\u00e9rature de Vallourec. Au-del\u00e0 des tubes \u00e0 haute r\u00e9sistance \u00e0 l\u2019\u00e9crasement, des <strong>connexions premium VAM\u00ae<\/strong><strong>\u202f21 qualifi<\/strong><strong>\u00e9es jusqu<\/strong><strong>\u2019\u00e0 350<\/strong><strong>\u202f<\/strong><strong>\u00b0C<\/strong><strong>\u00b9<\/strong>, et des <strong>\u00e9valuations approfondies de mat\u00e9riaux jusqu\u2019\u00e0 500<\/strong><strong>\u202f<\/strong><strong>\u00b0C<\/strong><strong>\u00b2<\/strong>, les performances r\u00e9cemment valid\u00e9es en mati\u00e8re de r\u00e9sistance \u00e0 l\u2019\u00e9crasement \u00e0 haute temp\u00e9rature offrent aux op\u00e9rateurs un ensemble de solutions coh\u00e9rent et complet. Gr\u00e2ce \u00e0 cette approche int\u00e9gr\u00e9e, Vallourec est en mesure d\u2019accompagner les projets g\u00e9othermiques, de la conception du puits \u00e0 l\u2019exploitation long terme, en proposant la gamme de tubes haute temp\u00e9rature la plus compl\u00e8te du march\u00e9 et la seule, qui soit enti\u00e8rement valid\u00e9e par des essais physiques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d788430\" data-id=\"d788430\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2923af3 elementor-widget elementor-widget-image\" data-id=\"2923af3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/banc-test-1024x683.jpg\" class=\"attachment-large size-large wp-image-26441\" alt=\"\" srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/banc-test-1024x683.jpg 1024w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/banc-test-300x200.jpg 300w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/banc-test-768x512.jpg 768w, https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/banc-test.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-774af27 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"774af27\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eea50e7\" data-id=\"eea50e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-574f032 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"574f032\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c14bbec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c14bbec\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dbb27f2\" data-id=\"dbb27f2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-af14fc7 elementor-widget elementor-widget-title\" data-id=\"af14fc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div>\n      <h2 class=\"title-h2 text-left \" id=\"\">Une valeur accrue pour les op\u00e9rateurs g\u00e9othermiques<\/h2>\n  <\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e8126e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e8126e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-60ad72f\" data-id=\"60ad72f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3237f65 elementor-widget elementor-widget-text-editor\" data-id=\"3237f65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ces avanc\u00e9es apportent une valeur imm\u00e9diate aux d\u00e9veloppeurs de projets g\u00e9othermiques. Gr\u00e2ce \u00e0 des niveaux de r\u00e9sistance \u00e0 l\u2019\u00e9crasement aujourd\u2019hui valid\u00e9s par des donn\u00e9es exp\u00e9rimentales, la conception des puits peut \u00eatre optimis\u00e9e avec un niveau de confiance nettement sup\u00e9rieur. Les mat\u00e9riaux \u00e0 haute r\u00e9sistance \u00e0 la pression d\u2019\u00e9crasement, tels que le VM80HC, r\u00e9duisent significativement le risque de d\u00e9faillance des cuvelages. En prolongeant la dur\u00e9e de vie des puits et en permettant l\u2019exploitation en toute s\u00e9curit\u00e9 de ressources plus chaudes et plus profondes, ces grades d\u2019acier propri\u00e9taires contribuent directement \u00e0 am\u00e9liorer la rentabilit\u00e9 des projets g\u00e9othermiques.<\/p><p>\u00a0<\/p><p>Dans un secteur o\u00f9 une seule d\u00e9faillance peut remettre en cause l\u2019\u00e9quilibre \u00e9conomique d\u2019un projet, cette fiabilit\u00e9 constitue un avantage concurrentiel d\u00e9terminant. Vallourec publiera les r\u00e9sultats d\u00e9taill\u00e9s de cette campagne de tests, in\u00e9dite dans l\u2019industrie g\u00e9othermique, dans le cadre d\u2019une prochaine conf\u00e9rence.<\/p><p>Le groupe va continuer \u00e0 repousser les limites techniques, en \u00e9tendant ces essais \u00e0 d\u2019autres diam\u00e8tres de tubes et \u00e0 des temp\u00e9ratures encore plus \u00e9lev\u00e9es. En parall\u00e8le, \u00a0les experts tubulaires et m\u00e9caniques de Vallourec souhaitent \u00e9galement poursuivre leurs \u00e9changes avec les op\u00e9rateurs, afin de partager leurs retours d\u2019exp\u00e9rience et de renforcer les bases techniques n\u00e9cessaires au d\u00e9veloppement s\u00fbr et durable de l\u2019\u00e9nergie g\u00e9othermique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-12ec706 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12ec706\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-da423c5\" data-id=\"da423c5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d3c144d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d3c144d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-da34e43 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"da34e43\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6202f37\" data-id=\"6202f37\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76ccd38 elementor-widget elementor-widget-text-editor\" data-id=\"76ccd38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>R\u00e9f\u00e9rences<\/strong>\u00a0:<\/p><p><strong>1)<\/strong> Au cours des derni\u00e8res ann\u00e9es, Vallourec a qualifi\u00e9 sa connexion premium <strong>VAM\u00ae<\/strong><strong>\u202f21<\/strong> pour une utilisation jusqu\u2019\u00e0 <strong>350<\/strong><strong>\u202f<\/strong><strong>\u00b0C<\/strong>, conform\u00e9ment \u00e0 la norme <strong>TWCCEP \/ ISO<\/strong><strong>\u202f12835<\/strong>. En savoir plus\u00a0: <a href=\"https:\/\/www.vallourec.com\/fr\/news\/vallourec-qualifie-avec-succes-les-connexions-vam-21-pour-les-applications-geothermiques-jusqua-350c\/\" target=\"_blank\" rel=\"noopener\">Vallourec qualifie avec succ\u00e8s les connexions VAM\u00ae 21 pour les applications g\u00e9othermiques jusqu&rsquo;\u00e0 350\u00b0C &#8211; Vallourec<\/a><\/p><p><strong>2)<\/strong> Vallourec a \u00e9valu\u00e9 plusieurs aciers de cuvelage cl\u00e9s, tels que <strong>L80, P110 et T95<\/strong>, jusqu\u2019\u00e0 des temp\u00e9ratures de <strong>500<\/strong><strong>\u202f<\/strong><strong>\u00b0C\u00a0<\/strong>:<br \/><strong>SPE-230271-MS<\/strong>: Premium Connection Evaluation For Thermal Wells up to 350\u00b0C Using Enhanced Material Law and Physical Tests (2025 &#8211; Mauger and al.)<br \/><br \/><\/p><p><strong>SPE-223067-MS<\/strong>: A New Approach for Material Characterization to Predict Casing Behavior for High Temperature Geothermal Applications (2024 &#8211; Desdoit and al.)\u00a0<\/p><p>*<em>Casing pipe collapse at elevated temperature<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3c2ded3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3c2ded3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ca92ac0\" data-id=\"ca92ac0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b4d9c66 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b4d9c66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-43edaba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43edaba\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ca879e7\" data-id=\"ca879e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ba34e3 elementor-widget elementor-widget-news_carousel\" data-id=\"5ba34e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"news_carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"pagination-filter-component dynamic-filterable-component\">\n\n  \n        \n  \n      <div class=\"relative dynamic-div tns-carousel\">\n      <div class=\"absolute hidden md:block top-1\/3 -left-7 select-none cursor-pointer news-carousel-controls-prev\"><svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <g clip-path=\"url(#clip0_2241_514)\">\n    <path d=\"M4.29963 9.99994C4.29963 9.6415 4.43649 9.28311 4.70964 9.00983L13.3093 0.410283C13.8563 -0.136761 14.7433 -0.136761 15.2901 0.410283C15.8369 0.957105 15.8369 1.84387 15.2901 2.39095L7.68064 9.99994L15.2898 17.609C15.8366 18.156 15.8366 19.0427 15.2898 19.5895C14.743 20.1368 13.8561 20.1368 13.309 19.5895L4.70937 10.9901C4.43618 10.7166 4.29963 10.3583 4.29963 9.99994Z\" fill=\"currentColor\"\/>\n  <\/g>\n  <defs>\n    <clipPath id=\"clip0_2241_514\">\n      <rect width=\"20\" height=\"20\" fill=\"white\" transform=\"translate(20) rotate(90)\"\/>\n    <\/clipPath>\n  <\/defs>\n<\/svg>\n<\/div>\n<div class=\"absolute hidden md:block top-1\/3 -right-7 select-none cursor-pointer news-carousel-controls-next\"><svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <g clip-path=\"url(#clip0_2241_511)\">\n    <path d=\"M15.7004 10.0001C15.7004 10.3585 15.5635 10.7169 15.2904 10.9902L6.69072 19.5897C6.14368 20.1368 5.25674 20.1368 4.70992 19.5897C4.1631 19.0429 4.1631 18.1561 4.70992 17.609L12.3194 10.0001L4.71019 2.39102C4.16336 1.84398 4.16336 0.957306 4.71019 0.410528C5.25701 -0.136781 6.14395 -0.136781 6.69099 0.410528L15.2906 9.00994C15.5638 9.28335 15.7004 9.64175 15.7004 10.0001Z\" fill=\"currentColor\"\/>\n  <\/g>\n  <defs>\n    <clipPath id=\"clip0_2241_511\">\n      <rect width=\"20\" height=\"20\" fill=\"white\" transform=\"translate(0 20) rotate(-90)\"\/>\n    <\/clipPath>\n  <\/defs>\n<\/svg>\n<\/div>\n<div class=\"relative flex mt-4 news-carousel\">\n  <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/world-water-day\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/04\/world-water-day-thumb-2026.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/04\/world-water-day-thumb-2026.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Environnement<\/div>\n        <div class=\"ml-auto text-grey\">1 avril 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/world-water-day\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Journ\u00e9e mondiale de l\u2019eau\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/improv-geothermal-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">G\u00e9othermie<\/div>\n        <div class=\"ml-auto text-grey\">24 mars 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Am\u00e9liorer l\u2019int\u00e9grit\u00e9 des puits g\u00e9othermiques \u00e0 haute temp\u00e9rature gr\u00e2ce \u00e0 des solutions anti-\u00e9crasement\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/two-new-extreme-torque-connections-for-north-american-shale\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/dwc-c-xt-c-vam-xtra-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/03\/dwc-c-xt-c-vam-xtra-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">OCTG<\/div>\n        <div class=\"ml-auto text-grey\">2 mars 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/two-new-extreme-torque-connections-for-north-american-shale\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Deux nouvelles connexions \u00e0 couple extr\u00eamement \u00e9lev\u00e9 destin\u00e9es \u00e0 l'exploitation des gisements de schiste en Am\u00e9rique du Nord\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/gulf-america-setting-new-standard-offshore-efficiency\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/cleanwell-run-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/cleanwell-run-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">OCTG<\/div>\n        <div class=\"ml-auto text-grey\">18 f\u00e9vrier 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/gulf-america-setting-new-standard-offshore-efficiency\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Op\u00e9rations dans le golfe du Mexique : d\u00e9finir de nouveaux standards en mati\u00e8re d\u2019efficacit\u00e9 offshore\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/workshop-research-center-service-hub\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/geothermal-workshop-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/geothermal-workshop-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Client<\/div>\n        <div class=\"ml-auto text-grey\">4 f\u00e9vrier 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/workshop-research-center-service-hub\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Au c\u0153ur de l\u2019expertise g\u00e9othermique de Vallourec : un s\u00e9minaire d\u00e9di\u00e9 organis\u00e9 au Centre de Recherche et sur la base Services\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/delphy-awarded-hyvolution-2026\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/hyvolution2026_thumb-scaled.jpeg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2026\/02\/hyvolution2026_thumb-scaled.jpeg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Ev\u00e9nement<\/div>\n        <div class=\"ml-auto text-grey\">3 f\u00e9vrier 2026<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/delphy-awarded-hyvolution-2026\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Delphy r\u00e9compens\u00e9 \u00e0 Hyvolution 2026 : Vallourec renforce son r\u00f4le dans la cha\u00eene de valeur de l\u2019hydrog\u00e8ne\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/octg-technical-school\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/12\/tech-school-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/12\/tech-school-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Formation<\/div>\n        <div class=\"ml-auto text-grey\">22 d\u00e9cembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/octg-technical-school\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    OCTG Technical School : Une premi\u00e8re \u00e9dition couronn\u00e9e de succ\u00e8s\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/meet-thulio-dias-technical-sales-engineer-career-expert\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/12\/thulio-dias-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/12\/thulio-dias-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Carri\u00e8res<\/div>\n        <div class=\"ml-auto text-grey\">17 d\u00e9cembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/meet-thulio-dias-technical-sales-engineer-career-expert\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Rencontre avec Thulio Dias, Ing\u00e9nieur Technico-Commercial et Career Expert, Br\u00e9sil\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/seeph-2025-cap-inclusion\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/seeph-2025-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/seeph-2025-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">HR<\/div>\n        <div class=\"ml-auto text-grey\">28 novembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/seeph-2025-cap-inclusion\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    SEEPH 2025 : Cap sur l\u2019inclusion, tous ensemble !\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/meet-robert-holguin-senior-global-it-project-manager-at-vallourec\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/robert-holguin-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/robert-holguin-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Carri\u00e8res<\/div>\n        <div class=\"ml-auto text-grey\">27 novembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/meet-robert-holguin-senior-global-it-project-manager-at-vallourec\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Rencontre avec Robert Holguin, chef de projet informatique mondial senior chez Vallourec\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/empowering-leaders-vallourecs-frontline-manager-training-camp-wraps-up-successfully\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/training-cn-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/training-cn-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">Formation<\/div>\n        <div class=\"ml-auto text-grey\">26 novembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/empowering-leaders-vallourecs-frontline-manager-training-camp-wraps-up-successfully\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Former les leaders : le Training Camp des managers op\u00e9rationnels s\u2019ach\u00e8ve avec succ\u00e8s\n  <\/a>\n<\/div>\n    <\/div>\n      <div>\n      <div class=\"flex flex-col\" x-data=\"{ hovering: false }\">\n  <a\n    class=\"relative h-[15.625rem] overflow-hidden flex items-center justify-center rounded-lg\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/industrial-waste-management\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n          <picture class=\"absolute flex justify-center items-center inset-0\">\n        <source srcset=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/waste-management-thumb.jpg\" media=\"(max-width: 768px)\">\n        <img decoding=\"async\" src=\"https:\/\/www.vallourec.com\/app\/uploads\/2025\/11\/waste-management-thumb.jpg\" alt=\"\" loading=\"lazy\" class=\"min-w-full min-h-full w-auto h-auto object-cover select-none pointer-events-none\">\n      <\/picture>\n      <div class=\"absolute inset-0 bg-blue-primary-navy opacity-0 transition\" :class=\"{ 'opacity-40': hovering }\"><\/div>\n      <\/a>\n  <div class=\"flex w-full justify-start mt-4\">\n          \n      <div class=\"font-medium text-blue-secondary-800\">CSR<\/div>\n        <div class=\"ml-auto text-grey\">25 novembre 2025<\/div>\n  <\/div>\n  <a\n    class=\"font-bold text-black text-xl mt-3 transition post-title\"\n    :class=\"{ 'text-blue-primary-brand': hovering }\"\n    href=\"https:\/\/www.vallourec.com\/fr\/news\/industrial-waste-management\/\"\n    @mouseenter=\"hovering = true\"\n    @mouseleave=\"hovering = false\"\n  >\n    Gestion des d\u00e9chets industriels : une responsabilit\u00e9 partag\u00e9e\n  <\/a>\n<\/div>\n    <\/div>\n  <\/div>\n    <\/div>\n  \n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":12,"featured_media":26432,"template":"","meta":{"_acf_changed":false},"categories":[909],"tags":[1918,1919],"class_list":["post-26456","news","type-news","status-publish","has-post-thumbnail","hentry","category-geothermie","tag-new-energies","tag-rd"],"acf":[],"yoast_head":"<title>Am\u00e9liorer l\u2019int\u00e9grit\u00e9 des puits g\u00e9othermiques \u00e0 haute 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Plus les forages descendent \u00e0 des profondeurs importantes dans des r\u00e9servoirs \u00e0 tr\u00e8s haute temp\u00e9rature, souvent au del\u00e0 de 250\u202f\u00b0C, plus le potentiel de production d\u2019\u00e9nergie augmente.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vallourec.com\/fr\/news\/improving-geothermal-well-integrity-at-high-temperatures-through-collapse-solutions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Am\u00e9liorer l\u2019int\u00e9grit\u00e9 des puits g\u00e9othermiques \u00e0 haute temp\u00e9rature gr\u00e2ce \u00e0 des solutions anti-\u00e9crasement - Vallourec\" \/>\n<meta property=\"og:description\" content=\"L\u2019\u00e9lectricit\u00e9 renouvelable issue de la g\u00e9othermie \u00e0 haute temp\u00e9rature est en passe de devenir l\u2019un des principaux moteurs de la transformation \u00e9nerg\u00e9tique mondiale. 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