武陵山复杂构造区古生界海相油气实现重大突破
发布时间：2018-11-22 19:34
【摘要】：在对武陵山复杂构造带主要残留向斜油气地质条件调查的基础上,通过油气成藏主要参数的对比,提出了注重沉积与构造保存的选区评价思路,优选了安场向斜有利区并布署实施安页1井钻探工程。该井二叠系栖霞组油气显示活跃,含气层厚147 m;在志留系石牛栏组钻遇多个高压气层,首次在南方该层系海相灰岩获得高产天然气流,并见到少量稠油;在上奥陶统五峰组—下志留统龙马溪组钻获高含气黑色页岩近20 m,达到了页岩气商业勘探的标准,进一步扩大了我国南方页岩气商业勘探范围;在奥陶系宝塔组钻遇高压气层,首次在南方该层系获得天然气发现。
[Abstract]:Based on the investigation of the oil and gas geological conditions of the main residual synclines in the complex structural belt of Wulingshan, through the comparison of the main parameters of oil and gas reservoir formation, the paper puts forward the idea of district evaluation focusing on sedimentary and structural preservation. The favorable area of Anchang syncline is selected and the drilling project of well Anpage 1 is carried out. Oil and gas of Qixia formation of Permian system are active, the thickness of gas bearing formation is 147 m, and several high-pressure gas formations are drilled in the Silurian Shiniulan formation, and the high-yield natural gas flow is obtained in the marine limestone of the southern part of the formation for the first time, and a small amount of heavy oil is found. In the Wufeng formation of Upper Ordovician and Longmaxi formation of Lower Silurian, high gas-bearing black shale was drilled for nearly 20 m, which reached the standard of commercial exploration of shale gas and further expanded the scope of commercial exploration of shale gas in southern China. In the Ordovician Baota formation, the natural gas was discovered for the first time in the southern part of the formation.
【作者单位】： 中国地质调查局油气资源调查中心;中国地质调查局;贵州省国土资源厅;贵州黔能页岩气开发有限责任公司;
【基金】：中国地质调查局地质调查项目“南方页岩气基础地质调查”(编号:12120115004601) 全国油气资源战略选区项目(编号:1211302108020)联合资助~~
【分类号】：P618.13
[Abstract]:Based on the investigation of the oil and gas geological conditions of the main residual synclines in the complex structural belt of Wulingshan, through the comparison of the main parameters of oil and gas reservoir formation, the paper puts forward the idea of district evaluation focusing on sedimentary and structural preservation. The favorable area of Anchang syncline is selected and the drilling project of well Anpage 1 is carried out. Oil and gas of Qixia formation of Permian system are active, the thickness of gas bearing formation is 147 m, and several high-pressure gas formations are drilled in the Silurian Shiniulan formation, and the high-yield natural gas flow is obtained in the marine limestone of the southern part of the formation for the first time, and a small amount of heavy oil is found. In the Wufeng formation of Upper Ordovician and Longmaxi formation of Lower Silurian, high gas-bearing black shale was drilled for nearly 20 m, which reached the standard of commercial exploration of shale gas and further expanded the scope of commercial exploration of shale gas in southern China. In the Ordovician Baota formation, the natural gas was discovered for the first time in the southern part of the formation.
【作者单位】： 中国地质调查局油气资源调查中心;中国地质调查局;贵州省国土资源厅;贵州黔能页岩气开发有限责任公司;
【基金】：中国地质调查局地质调查项目“南方页岩气基础地质调查”(编号:12120115004601) 全国油气资源战略选区项目(编号:1211302108020)联合资助~~
【分类号】：P618.13
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