依—舒地堑汤原断陷天然气成藏条件及气藏类型
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摘要
利用依—舒地堑汤原断陷32口井的钻井、录井和测井资料及地球化学资料,研究断陷构造演化特征,分析其天然气成藏条件和气藏类型。根据二维和三维地震资料解释,编制各层构造图,发现和落实各构造层发育的圈闭。在此基础上,对汤原断陷天然气成藏条件进行分析,结果表明:汤原断陷烃源岩主要发育于白垩系和古近系乌云组、新安村组、达连河组一段、宝泉岭组一段;储集层主要发育于白垩系和古近系乌云组、新安村组、达连河组二段、宝泉岭组二段;盖层主要为古近系达连河组一段、宝泉岭组一段。汤原断陷发育自生自储、下生上储、新生古储3种类型生储盖组合。钻井证实汤原断陷发育岩性-构造复合气藏、岩性气藏2种类型气藏,依据地震资料及邻区已知油气藏资料推测汤原断陷还发育构造气藏和地层气藏。
Based on the drilling,logging and geochemical data from 32 wells,the deposit and tectonic evolution feature of the Tangyuan fault depression were studied,and the gas accumulation conditions and gas reservoir types were analyzed.Based on interpretation of 2D and 3D seismic data,the structure map of each layer was plotted and the traps developed in various structural layers were found and confirmed.The source rock of Tangyuan fault depression was mainly developed in Cretaceous,and Eogene Wuyun Formation,Xin'ancun Formation,Dalianhe Formation Member 1,and Baoquanling Formation Member 1;the reservoir was mainly developed in Cretaceous,and Eogene Wuyun Formation,Xin'ancun Formation,Dalianhe Member 2,and Baoquanling Member 2;the caprock was developed in Dalianhe,and Baoquanling Member 1.There developed three types of source-reservoir-caprock assemblages,self-generating & self-preserving,lower-generating & upper-preserving and new-bed-generating & old-bed-preserving.The drilling demonstrated that,there developed two types of gas reservoirs,composition lithologic-structural gas reservoir and lithologic gas reservoir.With reference to the seismic data and known reservoir data in adjacent areas,it is estimated that there also developed structural gas reservoirs and stratigraphic gas reservoirs.
Based on the drilling,logging and geochemical data from 32 wells,the deposit and tectonic evolution feature of the Tangyuan fault depression were studied,and the gas accumulation conditions and gas reservoir types were analyzed.Based on interpretation of 2D and 3D seismic data,the structure map of each layer was plotted and the traps developed in various structural layers were found and confirmed.The source rock of Tangyuan fault depression was mainly developed in Cretaceous,and Eogene Wuyun Formation,Xin'ancun Formation,Dalianhe Formation Member 1,and Baoquanling Formation Member 1;the reservoir was mainly developed in Cretaceous,and Eogene Wuyun Formation,Xin'ancun Formation,Dalianhe Member 2,and Baoquanling Member 2;the caprock was developed in Dalianhe,and Baoquanling Member 1.There developed three types of source-reservoir-caprock assemblages,self-generating & self-preserving,lower-generating & upper-preserving and new-bed-generating & old-bed-preserving.The drilling demonstrated that,there developed two types of gas reservoirs,composition lithologic-structural gas reservoir and lithologic gas reservoir.With reference to the seismic data and known reservoir data in adjacent areas,it is estimated that there also developed structural gas reservoirs and stratigraphic gas reservoirs.
引文
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[13]付广,杨勉.断陷盆地油气成藏模式及分布特征[J].石油实验地质,2001,23(4):408-411,423.Fu Guang,Yang Mian.Hydrocarbon accumulation anddistribution in fault basins[J].Petroleum Geology&Experiment,2001,23(4):408-411,423.
[14]张宝权,马金龙.汤原断陷构造沉积特征与油气成藏分布规律[J].石油实验地质,2006,28(3):220-224.Zhang Baoquan,Ma Jinlong.Structural-depositional feature andoil-gas reservoir distribution in the Tangyuan fault depression[J].Petroleum Geology&Experiment,2006,28(3):220-224.
[15]何登发.不整合面的结构与油气聚集[J].石油勘探与开发,2007,34(2):142-149,201.He Dengfa.Structure of unconformity and its control onhydrocarbon accumulation[J].Petroleum Exploration andDevelopment,2007,34(2):142-149,201.
[2]罗群.汤原断陷断裂特征与油气成藏的关系[J].大庆石油地质与开发,1999,20(2):90-95.Luo Qun.The relationship between the fracture characteristicsand hydrocarbon accumulation in Tangyuan fault depression[J].Petroleum Geology&Oilfield Development in Daqing,1999,20(2):90-95.
[3]罗群,白新华.汤原断陷断裂构造特征及其对油气成藏的控制作用[J].长春科技大学学报,1999,29(3):247-251.Luo Qun,Bai Xinhua.The fault tectonic features and its controlroles to oil and gas accumulating in Tangyuan depression[J].Journal of Changchun University of Science and Technology,1999,29(3):247-251.
[4]杨玉峰,王孔伟,王始波,等.汤原断陷下第三系构造活动对层序的控制作用[J].石油与天然气地质,1999,20(1):50-54.Yang Yufeng,Wang Kongwei,Wang Shibo,et al.Controlling thetectonic activating to sequences Lower Tertiary of in Tangyuan faultdepression[J].Oil&Gas Geology,1999,20(1):50-54.
[5]王世辉,杨建国,梁晓东.黑龙江东北部汤原断陷断块体运动特征及其对油气成藏的控制作用[J].地质通报,2006,25(9-10):1121-1127.Wang Shihui,Yang Jianguo,Liang Xiaodong.Characteristics offault block movements of the Tangyuan fault depression innortheastern Heilongjiang,China and their controls onhydrocarbon accumulation[J].Geological Bulletin of China,2006,25(9-10):1121-1127.
[6]白新华,罗群.汤原断陷中生界地层及含油气远景预测[J].大庆石油地质与开发,1997,16(4):30-32.Bai Xinhua,Luo Qun.The Mesozoic strata and its oil potential ofTangyuan fault depression[J].Petroleum Geology&OilfieldDevelopment in Daqing,1997,16(4):30-32.
[7]黄清华,黄福堂,张莹,等.汤原断陷第三纪地层研究新进展[J].地层学杂志,1998,22(1):73-80,封三.Huang Qinghua,Huang Futang,Zhang Ying,et al.New advance inthe Tertiary strata study of the Tangyuan Rift[J].Journal ofStratigraphy,1998,22(1):73-80,Inside back cover 3.
[8]杨建国,黄清华,吴朝东,等.黑龙江汤原断陷第三纪地层层序及时代[J].地层学杂志,2004,28(2):168-172,184.Yang Jianguo,Huang Qinghua,Wu Chaodong,et al.Sequences andages of the Paleogene and Neogene strata in the Tangyuan faultdepression[J].Journal of Stratigraphy,2004,28(2):168-172,184.
[9]吴河勇,王世辉,杨建国,等.大庆外围盆地勘探潜力[J].中国石油勘探,2004,9(4):23-30.Wu Heyong,Wang Shihui,Yang Jianguo,et al.Analysis ofexploration potential in surrounding basins of Daqing Oilfield[J].China Petroleum Exploration,2004,9(4):23-30.
[10]张厚福.石油地质学[M].北京:石油工业出版社,1999.Zhang Houfu.Petroleum geology[M].Beijing:PetroleumIndustry Press,1999.
[11]贾承造,赵文智,邹才能,等.岩性地层油气藏地质理论与勘探技术[J].石油勘探与开发,2007,34(3):257-272.Jia Chengzao,Zhao Wenzhi,Zou Caineng,et al.Geologicaltheory and exploration technology for lithostratigraphichydrocarbon reservoirs[J].Petroleum Exploration andDevelopment,2007,34(3):257-272.
[12]赵文智,方杰.不同类型断陷湖盆岩性-地层油气藏油气富集规律———以冀中坳陷和二连盆地岩性-地层油气藏对比为例[J].石油勘探与开发,2007,34(2):129-134.Zhao Wenzhi,Fang Jie.Petroleum enrichment rules in lithologicand stratigraphic pools in different faulted basins:An examplefrom the correlation of lithologic and stratigraphic pools in JizhongDepression and in Erlian Basin[J].Petroleum Exploration andDevelopment,2007,34(2):129-134.
[13]付广,杨勉.断陷盆地油气成藏模式及分布特征[J].石油实验地质,2001,23(4):408-411,423.Fu Guang,Yang Mian.Hydrocarbon accumulation anddistribution in fault basins[J].Petroleum Geology&Experiment,2001,23(4):408-411,423.
[14]张宝权,马金龙.汤原断陷构造沉积特征与油气成藏分布规律[J].石油实验地质,2006,28(3):220-224.Zhang Baoquan,Ma Jinlong.Structural-depositional feature andoil-gas reservoir distribution in the Tangyuan fault depression[J].Petroleum Geology&Experiment,2006,28(3):220-224.
[15]何登发.不整合面的结构与油气聚集[J].石油勘探与开发,2007,34(2):142-149,201.He Dengfa.Structure of unconformity and its control onhydrocarbon accumulation[J].Petroleum Exploration andDevelopment,2007,34(2):142-149,201.
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