{"id":5011,"date":"2024-03-07T15:02:00","date_gmt":"2024-03-07T14:02:00","guid":{"rendered":"https:\/\/www.optimum-te-recette.horizon-ci.fr\/unclassified\/hdd-and-marine-geothermal-energy\/"},"modified":"2025-04-18T12:59:16","modified_gmt":"2025-04-18T10:59:16","slug":"hdd-and-marine-geothermal-energy","status":"publish","type":"post","link":"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/","title":{"rendered":"HDD and marine geothermal energy"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Alongside Gendry as the town of La Grande Motte, on the French Mediterranean coast, advances with its innovative project to heat and cool the towns buildings using marine geothermal energy.<\/p>\n<p>The construction of 5 parallel 263-metre-long HDD landfalls was successfully completed last week to house 5 x DN200 HDPE ducts. Drilling through marly sands, the ducts pass under the promenade breakwater, to transport water from the system\u2019s heat exchangers back to the sea.<\/p>\n<p>Before works began, OPTIMUM trenchless engineers were commissioned to validate the landfall design and sizing, and to conduct hydrofracture modelling given the coastal geology of the site. They then followed the initial drilling works, both remotely and onsite, closely monitoring the drilling parameters to ensure operations ran smoothly.<\/p>\n<p>Great to contribute to another exciting energy project.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alongside Gendry as the town of La Grande Motte, on the French Mediterranean coast, advances with its innovative project to heat and cool the towns buildings using marine geothermal energy.<\/p>\n<p>The construction of 5 parallel 263-metre-long HDD landfalls was successfully completed last week to house 5 x DN200 HDPE ducts. Drilling through marly sands, the ducts pass under the promenade breakwater, to transport water from the system\u2019s heat exchangers back to the sea.<\/p>\n","protected":false},"author":1,"featured_media":3218,"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":[48],"tags":[80],"class_list":["post-5011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-telecoms-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>HDD and marine geothermal energy - 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\/telecoms-en\/hdd-and-marine-geothermal-energy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HDD and marine geothermal energy - Optimum\" \/>\n<meta property=\"og:description\" content=\"Alongside Gendry as the town of La Grande Motte, on the French Mediterranean coast, advances with its innovative project to heat and cool the towns buildings using marine geothermal energy.  The construction of 5 parallel 263-metre-long HDD landfalls was successfully completed last week to house 5 x DN200 HDPE ducts. Drilling through marly sands, the ducts pass under the promenade breakwater, to transport water from the system\u2019s heat exchangers back to the sea.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/\" \/>\n<meta property=\"og:site_name\" content=\"Optimum\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-07T14:02:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-18T10:59:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/10\/La-Grande-Motte.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1536\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin-optimum-549\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin-optimum-549\" \/>\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\/telecoms-en\/hdd-and-marine-geothermal-energy\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/\"},\"author\":{\"name\":\"admin-optimum-549\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/#\/schema\/person\/1c9e13c61c909e5e87588c754752807c\"},\"headline\":\"HDD and marine geothermal energy\",\"datePublished\":\"2024-03-07T14:02:00+00:00\",\"dateModified\":\"2025-04-18T10:59:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/\"},\"wordCount\":212,\"publisher\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.optimum-te.com\/wp-content\/uploads\/2024\/10\/La-Grande-Motte.jpg\",\"keywords\":[\"HDD\"],\"articleSection\":[\"Telecoms\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/\",\"url\":\"https:\/\/www.optimum-te.com\/en\/telecoms-en\/hdd-and-marine-geothermal-energy\/\",\"name\":\"HDD and marine geothermal energy - 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