下扬子地区页岩气勘探新认识
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摘要
近几年扬子地区开展的页岩气资源调查表明,下寒武统幕府山组(南部也称荷塘组)、下志留统高家边组底部–奥陶统五峰组、二叠系龙潭组和三叠统青龙组地层具有页岩气勘探潜力,但潜力最大的当属沉积厚度大、分布广、热演化程度适中的志留统高家边组。另外应该注意两点:(1)因页岩气与油气是同源物质,故应在油气发育区上下就近优先寻找页岩气;(2)下扬子地区地层中断层发育,且多为拉张性的正断层,地层中不整合面也发育,这些都是潜在的高渗流通道,钻井和压裂开发时要注意避开和远离,当然更要做好地下水环境保护。
In recent years, shale gas resources in Yangtze area have been investigated. The results show that the lower Cambrian Mufushan Formation(also known as Hetang Formation in the south), the lower Silurian Gaojiabian Formation-Ordovician Wufeng Formation, Permian Longtan Formation and Triassic Qinglong Formation have shale gas exploration potential, but the greatest potential belongs to the Silurian Gaojiabian Formation which is widely distributed with sedimentary thickness and moderate thermal evolution. In addition, two points should be noted:(1) Since shale gas and oil and gas are homologous substances, the priority should be given to shale gas in the development area of oil and gas;(2) Faults developed in the lower Yangtze region and which are mostly tensile normal faults, and the unconformity surface in the stratum is also developed, all of which are potential high seepage channels, drilling and fracturing development should pay attention to avoid and stay away from those high seepage channels, and certainly, we should to protect the groundwater segregate from the drilling fluids to obey the local environment policy.
In recent years, shale gas resources in Yangtze area have been investigated. The results show that the lower Cambrian Mufushan Formation(also known as Hetang Formation in the south), the lower Silurian Gaojiabian Formation-Ordovician Wufeng Formation, Permian Longtan Formation and Triassic Qinglong Formation have shale gas exploration potential, but the greatest potential belongs to the Silurian Gaojiabian Formation which is widely distributed with sedimentary thickness and moderate thermal evolution. In addition, two points should be noted:(1) Since shale gas and oil and gas are homologous substances, the priority should be given to shale gas in the development area of oil and gas;(2) Faults developed in the lower Yangtze region and which are mostly tensile normal faults, and the unconformity surface in the stratum is also developed, all of which are potential high seepage channels, drilling and fracturing development should pay attention to avoid and stay away from those high seepage channels, and certainly, we should to protect the groundwater segregate from the drilling fluids to obey the local environment policy.
引文
[1]路坤桥,孙玉学.我国页岩气开发的要点及层位[J].河南科学,2015,33(2):257-260.
[2]张抗.涪陵页岩气田高产的构造因素分析及思考[J].中外能源,2016,21(4):1-8.
[3]郭旭升,胡东风,魏志红,等.涪陵页岩气田的发现及勘探认识[J].中外石油勘探,2016,21(3):1-37.
[4]郭彤楼,曾萍.复杂构造区页岩气地质特征、资源潜力与成藏关键因素[M].北京:科学出版社,2016:255-271.
[5]邹才能,朱如凯,白斌,等.中国油气储层中纳米孔首次发现及其科学价值[J].岩石学报,2011,27(6):1157-1164.
[6]王先彬,妥进才,周世新,等.地球深部有机质演化与油气资源[J].石油勘探与开发,2005,32(4):159-164.
[7]马力,陈焕疆,甘克文,等.中国南方大地构造和海相油气地质[M].北京:地质出版社,2004:280-302.
[8]梁兵,段宏亮,李华东.下扬子地区海相层系成藏条件及勘探评价[M].北京:石油工业出版社,2013:3-31.
[9]田国华,颜洪鸣.浙江页岩气等非常规天然气勘探思考[J].中国煤炭地质,2011,23(9):19-22.
[10]石刚,黄正清.安徽泾县-水东地区发现页岩气[J].中国地质调查成果快讯,2017,46(2):22-24.
[11]贾东,胡文瑄,姚素平,等.江苏省下志留统黑色页岩浅井钻探及其页岩气潜力分析[J].高校地质学报,2016,22(1):127-137.
[12]刘书磊.下扬子地区下志留统页岩气资源分布[D].成都:成都理工大学,2012:23-40.
[13]李晋宁,姚素平,孙超,等.宁镇地区下志留统高家边组富有机质页岩孔隙结构[J].高校地质学报,2016,22(1):159-170.
[14]刘小平,潘继平,刘东鹰,等.苏北地区下寒武统幕府山组页岩气勘探前景[J].成都理工大学学报,2012,39(2):198-205.
[15]潘继平,乔德武,李世臻,等.下扬子地区古生界页岩气地质条件与勘探前景[J].地质通报,2011,30(2-3):337-343.
[16]张涛,尹宏伟,贾东,等.下扬子地区高家边组底部黑色页岩与北美Marcellus页岩地质特征对比[J].高校地质学报,2016,22(1):152-158.
[17]孟凡洋,林拓.下扬子地区二叠系实现页岩气发现[J].中国地质调查成果快讯,2017,46(2):29-32.
[18]徐云林,李锐,刘银山,等.页岩气勘探开发环境保护与监管机制研究[J].资源与产业,2017,19(3):34-38.
[19]樊隽轩,MELCHIN M J,陈旭,等.华南奥陶-志留系龙马溪组黑色笔石页岩的生物地层学[J].中国科学:地球科学,2012,42(1):130-139.
[20]吴金平,张宝善,孙全胜,等.页岩气资源评价及相关技术[M].北京:地质出版社,2012:39-79.
[21]花彩霞.下扬子句容地区海相上组合油气地质条件评价[J].地质学刊,2014,38(2):200-205.
[22]郑开富,石铭.扬州地区热储特征与地热资源勘探前景[C]//2015年第13届华东六省一市地学科技论坛会议论文集.南昌:江西科学技术出版社,2015:296-302.
[23]范迪富,徐雪球,戴康明,等.江苏如东县小洋口地热田成因[J].地质学刊,2012,36(2):193-197.
[24]徐春华,秦新龙,唐善良,等.经济新常态下地勘企业转型页岩气开发分析[J].中国国土资源经济,2017,30(10):30-35.
[2]张抗.涪陵页岩气田高产的构造因素分析及思考[J].中外能源,2016,21(4):1-8.
[3]郭旭升,胡东风,魏志红,等.涪陵页岩气田的发现及勘探认识[J].中外石油勘探,2016,21(3):1-37.
[4]郭彤楼,曾萍.复杂构造区页岩气地质特征、资源潜力与成藏关键因素[M].北京:科学出版社,2016:255-271.
[5]邹才能,朱如凯,白斌,等.中国油气储层中纳米孔首次发现及其科学价值[J].岩石学报,2011,27(6):1157-1164.
[6]王先彬,妥进才,周世新,等.地球深部有机质演化与油气资源[J].石油勘探与开发,2005,32(4):159-164.
[7]马力,陈焕疆,甘克文,等.中国南方大地构造和海相油气地质[M].北京:地质出版社,2004:280-302.
[8]梁兵,段宏亮,李华东.下扬子地区海相层系成藏条件及勘探评价[M].北京:石油工业出版社,2013:3-31.
[9]田国华,颜洪鸣.浙江页岩气等非常规天然气勘探思考[J].中国煤炭地质,2011,23(9):19-22.
[10]石刚,黄正清.安徽泾县-水东地区发现页岩气[J].中国地质调查成果快讯,2017,46(2):22-24.
[11]贾东,胡文瑄,姚素平,等.江苏省下志留统黑色页岩浅井钻探及其页岩气潜力分析[J].高校地质学报,2016,22(1):127-137.
[12]刘书磊.下扬子地区下志留统页岩气资源分布[D].成都:成都理工大学,2012:23-40.
[13]李晋宁,姚素平,孙超,等.宁镇地区下志留统高家边组富有机质页岩孔隙结构[J].高校地质学报,2016,22(1):159-170.
[14]刘小平,潘继平,刘东鹰,等.苏北地区下寒武统幕府山组页岩气勘探前景[J].成都理工大学学报,2012,39(2):198-205.
[15]潘继平,乔德武,李世臻,等.下扬子地区古生界页岩气地质条件与勘探前景[J].地质通报,2011,30(2-3):337-343.
[16]张涛,尹宏伟,贾东,等.下扬子地区高家边组底部黑色页岩与北美Marcellus页岩地质特征对比[J].高校地质学报,2016,22(1):152-158.
[17]孟凡洋,林拓.下扬子地区二叠系实现页岩气发现[J].中国地质调查成果快讯,2017,46(2):29-32.
[18]徐云林,李锐,刘银山,等.页岩气勘探开发环境保护与监管机制研究[J].资源与产业,2017,19(3):34-38.
[19]樊隽轩,MELCHIN M J,陈旭,等.华南奥陶-志留系龙马溪组黑色笔石页岩的生物地层学[J].中国科学:地球科学,2012,42(1):130-139.
[20]吴金平,张宝善,孙全胜,等.页岩气资源评价及相关技术[M].北京:地质出版社,2012:39-79.
[21]花彩霞.下扬子句容地区海相上组合油气地质条件评价[J].地质学刊,2014,38(2):200-205.
[22]郑开富,石铭.扬州地区热储特征与地热资源勘探前景[C]//2015年第13届华东六省一市地学科技论坛会议论文集.南昌:江西科学技术出版社,2015:296-302.
[23]范迪富,徐雪球,戴康明,等.江苏如东县小洋口地热田成因[J].地质学刊,2012,36(2):193-197.
[24]徐春华,秦新龙,唐善良,等.经济新常态下地勘企业转型页岩气开发分析[J].中国国土资源经济,2017,30(10):30-35.