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中国南海可燃冰已连续试采42天 时长雄冠世界

2017-06-22 05:02:24   

科技日报南海6月21日电 (记者左朝胜 通讯员陈惠玲)记者从南海中国地质调查局南海神狐海域试采平台获悉,截至6月21日14时52分,我国南海神狐海域天然气水合物试采已连续试采达42天,累计产量超过23.5万立方米,这个连续试采时间已经是目前世界第一。

中国地质调查局广州海洋地质调查局局长、试采现场指挥部指挥长叶建良介绍,5月10日起,中国地质调查局从我国南海神狐海域水深1266米海底以下203—277米的天然气水合物矿藏开采出天然气,并试气点火,至5月18日期间,最高产量达3.5万立方米/天,平均日产超过1.6万立方米/天,天然气产量稳定,甲烷含量最高达99.5%,圆满完成预定目标。5月18日,国土资源部在试采平台宣布我国海域首次天然气水合物试采成功。至5月26日,试采井连续产气16天,平均日产超过1万立方米。5月27日开始,按照施工方案整体安排开展温度、压力变化对储层、井底、井筒、气体流量等影响的科学测试与研究工作。至6月10日14时52分,总产气量达21万立方米,平均日产7000立方米,获得各项测试数据264万组。目前产气过程平稳,井底状况良好,为下一步工作奠定了坚实基础。

据悉,在国土资源部领导下,中国地质调查局实现了天然气水合物勘查开发理论、技术、工程和装备的自主创新,最终超预期完成了试采工程目标,取得天然气水合物试开采的历史性突破。

原标题:我海域天然气水合物连续试采时长雄冠世界

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