{"id":9792,"date":"2026-05-28T10:00:00","date_gmt":"2026-05-28T08:00:00","guid":{"rendered":"https:\/\/www.optimum-te.com\/?p=9792"},"modified":"2026-05-28T11:32:28","modified_gmt":"2026-05-28T09:32:28","slug":"trenchless-expertise-in-action-in-southwest-france-50-crossings-completed","status":"publish","type":"post","link":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/","title":{"rendered":"Trenchless expertise in action in southwest France : 50+ crossings completed"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; theme_builder_area=&#8221;post_content&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; type=&#8221;4_4&#8243; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; theme_builder_area=&#8221;post_content&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>What began in 2020 as a truly ambitious project \u2014 replacing 70 km of Ter\u00e9ga\u2019s gas transmission network \u2014 has now reached a defining moment: every trenchless crossing is complete.<\/strong><\/p>\n<p><\/p>\n<p>Over time, OPTIMUM moved from site analysis, feasibility studies and design engineering for over 50 crossings to onsite support for all the complex crossings. Sixteen of these were built last year; the final six have now been completed, including :<\/p>\n<p><\/p>\n<ul>\n<li>A 372 m HDD crossing under the A68 motorway slip road and a nearby river. The unstable surface ground required a 31-metre-long entry casing as well as a drilling depth down 24 metres &#8211; HDD by Coquart, casing by Jamme Kl\u00e9ber.<\/li>\n<li>A 184 m HDD crossing under regional railway tracks \u2013 HDD by Gendry, casing by Jamme Kl\u00e9ber<\/li>\n<li>Two auger boring crossings (1 x 78 m + 1 x 66 m) under the A68 motorway \u2013 drilled by Gendry \u2013 and a further 46 m bore under railway tracks, drilled by Jamme Kleber<\/li>\n<\/ul>\n<p><\/p>\n<p>Despite the scale and technical challenges, every crossing was executed smoothly. Commissioning is now just weeks away.<\/p>\n<p><\/p>\n<p>Large scale trenchless projects like this one remind us of a simple truth: when preparation is solid and collaboration strong, execution becomes seamless.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What began in 2020 as a truly ambitious project \u2014 replacing 70 km of Ter\u00e9ga\u2019s gas transmission network \u2014 has now reached a defining moment: every trenchless crossing is complete.<\/p>\n","protected":false},"author":2,"featured_media":9786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[47],"tags":[51,80],"class_list":["post-9792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oil-gas-en","tag-auger-boring-en","tag-hdd-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum<\/title>\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.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum\" \/>\n<meta property=\"og:description\" content=\"What began in 2020 as a truly ambitious project \u2014 replacing 70 km of Ter\u00e9ga\u2019s gas transmission network \u2014 has now reached a defining moment: every trenchless crossing is complete.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\" \/>\n<meta property=\"og:site_name\" content=\"Optimum\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-28T08:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-28T09:32:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"844\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Rachael Bower-Yekpe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rachael Bower-Yekpe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\"},\"author\":{\"name\":\"Rachael Bower-Yekpe\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/5f2068cd528354ddd7d76b5c79d05102\"},\"headline\":\"Trenchless expertise in action in southwest France : 50+ crossings completed\",\"datePublished\":\"2026-05-28T08:00:00+00:00\",\"dateModified\":\"2026-05-28T09:32:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\"},\"wordCount\":269,\"publisher\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg\",\"keywords\":[\"Auger boring\",\"HDD\"],\"articleSection\":[\"Oil &amp; Gas\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\",\"url\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\",\"name\":\"Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum\",\"isPartOf\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg\",\"datePublished\":\"2026-05-28T08:00:00+00:00\",\"dateModified\":\"2026-05-28T09:32:28+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage\",\"url\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg\",\"contentUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg\",\"width\":1500,\"height\":844},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.optimum-te.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trenchless expertise in action in southwest France : 50+ crossings completed\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#website\",\"url\":\"https:\/\/www.optimum-te.com\/en\/\",\"name\":\"Optimum\",\"description\":\"Le leader europ\u00e9en de l&#039;ing\u00e9nierie sans tranch\u00e9e\",\"publisher\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.optimum-te.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#organization\",\"name\":\"Optimum\",\"url\":\"https:\/\/www.optimum-te.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/09\/optimum-logo.png\",\"contentUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/09\/optimum-logo.png\",\"width\":260,\"height\":260,\"caption\":\"Optimum\"},\"image\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.linkedin.com\/company\/optimum-trenchless-engineering\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/5f2068cd528354ddd7d76b5c79d05102\",\"name\":\"Rachael Bower-Yekpe\",\"url\":\"https:\/\/www.optimum-te.com\/en\/author\/rachaeloptimum-te-fr\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/","og_locale":"en_US","og_type":"article","og_title":"Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum","og_description":"What began in 2020 as a truly ambitious project \u2014 replacing 70 km of Ter\u00e9ga\u2019s gas transmission network \u2014 has now reached a defining moment: every trenchless crossing is complete.","og_url":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/","og_site_name":"Optimum","article_published_time":"2026-05-28T08:00:00+00:00","article_modified_time":"2026-05-28T09:32:28+00:00","og_image":[{"width":1500,"height":844,"url":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg","type":"image\/jpeg"}],"author":"Rachael Bower-Yekpe","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Rachael Bower-Yekpe","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#article","isPartOf":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/"},"author":{"name":"Rachael Bower-Yekpe","@id":"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/5f2068cd528354ddd7d76b5c79d05102"},"headline":"Trenchless expertise in action in southwest France : 50+ crossings completed","datePublished":"2026-05-28T08:00:00+00:00","dateModified":"2026-05-28T09:32:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/"},"wordCount":269,"publisher":{"@id":"https:\/\/www.optimum-te.com\/en\/#organization"},"image":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage"},"thumbnailUrl":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg","keywords":["Auger boring","HDD"],"articleSection":["Oil &amp; Gas"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/","url":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/","name":"Trenchless expertise in action in southwest France : 50+ crossings completed - Optimum","isPartOf":{"@id":"https:\/\/www.optimum-te.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage"},"image":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage"},"thumbnailUrl":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg","datePublished":"2026-05-28T08:00:00+00:00","dateModified":"2026-05-28T09:32:28+00:00","breadcrumb":{"@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#primaryimage","url":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg","contentUrl":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2026\/05\/Reva-Mai-2026-16-9_1500-large.jpg","width":1500,"height":844},{"@type":"BreadcrumbList","@id":"https:\/\/www.optimum-te.com\/en\/oil-gas-en\/trenchless-expertise-in-action-in-southwest-france-50-crossings-completed\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.optimum-te.com\/en\/"},{"@type":"ListItem","position":2,"name":"Trenchless expertise in action in southwest France : 50+ crossings completed"}]},{"@type":"WebSite","@id":"https:\/\/www.optimum-te.com\/en\/#website","url":"https:\/\/www.optimum-te.com\/en\/","name":"Optimum","description":"Le leader europ\u00e9en de l&#039;ing\u00e9nierie sans tranch\u00e9e","publisher":{"@id":"https:\/\/www.optimum-te.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.optimum-te.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.optimum-te.com\/en\/#organization","name":"Optimum","url":"https:\/\/www.optimum-te.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.optimum-te.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/09\/optimum-logo.png","contentUrl":"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/09\/optimum-logo.png","width":260,"height":260,"caption":"Optimum"},"image":{"@id":"https:\/\/www.optimum-te.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/optimum-trenchless-engineering\/"]},{"@type":"Person","@id":"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/5f2068cd528354ddd7d76b5c79d05102","name":"Rachael Bower-Yekpe","url":"https:\/\/www.optimum-te.com\/en\/author\/rachaeloptimum-te-fr\/"}]}},"_links":{"self":[{"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/posts\/9792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/comments?post=9792"}],"version-history":[{"count":8,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/posts\/9792\/revisions"}],"predecessor-version":[{"id":9834,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/posts\/9792\/revisions\/9834"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/media\/9786"}],"wp:attachment":[{"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/media?parent=9792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/categories?post=9792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.optimum-te.com\/en\/wp-json\/wp\/v2\/tags?post=9792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}