{"id":389943,"date":"2026-06-09T19:36:56","date_gmt":"2026-06-09T18:36:56","guid":{"rendered":"https:\/\/realites.com.tn\/fr\/?p=389943"},"modified":"2026-06-09T19:36:56","modified_gmt":"2026-06-09T18:36:56","slug":"le-champ-petrolier-dashtart-atteindra-sa-limite-economique-maximale-dici-2031","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/le-champ-petrolier-dashtart-atteindra-sa-limite-economique-maximale-dici-2031\/","title":{"rendered":"Le champ p\u00e9trolier d&rsquo;Ashtart atteindra sa limite \u00e9conomique maximale d&rsquo;ici 2031"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\"><span class=\"\">Selon un rapport de l&rsquo;unit\u00e9 de recherche Energy (une plateforme de conseil sp\u00e9cialis\u00e9e dans les march\u00e9s de l&rsquo;\u00e9nergie bas\u00e9e \u00e0 Washington), la limite \u00e9conomique maximale du champ d&rsquo;Ashtart, l&rsquo;un des gisements p\u00e9troliers les plus importants de Tunisie et la deuxi\u00e8me plus grande d\u00e9couverte p\u00e9troli\u00e8re du pays, devrait \u00eatre atteinte en 2031.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Cette limite \u00e9conomique repr\u00e9sente l&rsquo;\u00e9tape \u00e0 partir de laquelle les revenus attendus des op\u00e9rations de production ne suffisent plus \u00e0 couvrir les co\u00fbts d&rsquo;exploitation, ce qui place le champ face \u00e0 des d\u00e9fis li\u00e9s \u00e0 la durabilit\u00e9 de son exploitation \u00e0 long terme. <\/span><span class=\"\">Le champ d&rsquo;Ashtart est situ\u00e9 dans le permis maritime d&rsquo;Ashtart, dans le golfe de Gab\u00e8s, \u00e0 219 pieds de profondeur sous la surface de l&rsquo;eau. Il a \u00e9t\u00e9 d\u00e9couvert en 1970 et mis en production en 1974, selon les donn\u00e9es du minist\u00e8re de l&rsquo;\u00c9nergie, des Mines et des \u00c9nergies renouvelables.<br \/>\n<\/span>D&rsquo;apr\u00e8s les derni\u00e8res informations fournies par le rapport, le taux de production actuel du champ est d&rsquo;environ 5 mille barils de p\u00e9trole par jour, ce qui repr\u00e9sente pr\u00e8s de 14 % de la production nationale totale. <span class=\"\">Le rapport a en outre indiqu\u00e9 que ce champ, aux c\u00f4t\u00e9s du champ d&rsquo;El Borma, a contribu\u00e9 \u00e0 hauteur de 70 % \u00e0 l&rsquo;atteinte du pic de la production nationale en 1980, lequel s&rsquo;\u00e9levait alors \u00e0 environ 117 mille barils par jour.<br \/>\n<\/span>La gestion du champ est assur\u00e9e par la soci\u00e9t\u00e9 SEREPT, d\u00e9tenue \u00e0 parts \u00e9gales entre l&rsquo;Entreprise tunisienne d&rsquo;activit\u00e9s p\u00e9troli\u00e8res et la soci\u00e9t\u00e9 Perenco Tunisia Oil &amp; Gas. La soci\u00e9t\u00e9 OMV avait finalis\u00e9 en d\u00e9cembre 2018 la vente de sa participation de 50 % dans le champ \u00e0 la soci\u00e9t\u00e9 Perenco. <span class=\"\">Concernant les d\u00e9fis techniques, la soci\u00e9t\u00e9 SEREPT a indiqu\u00e9 que le r\u00e9servoir du champ pr\u00e9sente des d\u00e9fauts importants affectant la performance des puits de production, et que les hydrocarbures sont insatur\u00e9s. La pression au fond du puits varie entre 200 et 250 bars, tandis que la temp\u00e9rature atteint environ 140 degr\u00e9s Celsius, selon le rapport.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Le rapport ajoute que la plupart des puits se situent \u00e0 une profondeur d&rsquo;environ 3 mille m\u00e8tres, ce qui rend la pression en t\u00eate de puits faible, comprise entre 8 et 10 bars seulement. <\/span><span class=\"\">Le champ tire sa production d&rsquo;un seul r\u00e9servoir d&rsquo;environ 70 m\u00e8tres d&rsquo;\u00e9paisseur et comprend cinq plateformes de production en mer.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Selon un rapport de l&rsquo;unit\u00e9 de recherche Energy (une plateforme de conseil sp\u00e9cialis\u00e9e dans les march\u00e9s de l&rsquo;\u00e9nergie bas\u00e9e \u00e0 Washington), la limite \u00e9conomique maximale du champ d&rsquo;Ashtart, l&rsquo;un des&hellip;<\/p>\n","protected":false},"author":81,"featured_media":291976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-389943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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