陆相页岩含气性分析及勘探远景:以松辽盆地南部青一段为例
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摘要
松辽盆地南部青山口组一段发育一套半深湖相沉积的暗色泥页岩,有机碳含量高,偏腐泥型有机质,热演化程度适中,老井复查存在大量的泥页岩含油气异常,测井响应特征明显,是页岩气研究的有利层位。本文在对储层基础地质条件研究基础上,运用地球物理、测井和现场解析等手段全方位分析了泥页岩的含气性和平面展布特征。对青山口组一段进行了有利区预测和资源计算,显示本区具有丰富的页岩气资源潜力,满足陆相页岩气选区含气量要求,是有望取得页岩气勘探进一步突破的有利靶区。
In the southern Songliao basin,a set of dark mud shale with semi-deep lacustrine sediments was found in the K1 q1 formation,where the organic matter is rich and the partial sapropelic organic matter has a moderate degree of thermal evolution.There are a large number of mud shale hydrocarbon anomalies,and the logging response is obvious and it is a favorable formation for shale gas study.Based on the research on the basic geological conditions of reservoirs,the gas-bearing and plane distribution characteristics of shale are comprehensively analyzed by means of geophysical,well logging and desorption experiments.The favorable section prediction and resource calculation for the K1 q1 formation show that the region has rich potential of shale gas resources and meets the requirement of gas content in the continental shale gas formation and is a favorable target area for further breakthrough in shale gas exploration.
In the southern Songliao basin,a set of dark mud shale with semi-deep lacustrine sediments was found in the K1 q1 formation,where the organic matter is rich and the partial sapropelic organic matter has a moderate degree of thermal evolution.There are a large number of mud shale hydrocarbon anomalies,and the logging response is obvious and it is a favorable formation for shale gas study.Based on the research on the basic geological conditions of reservoirs,the gas-bearing and plane distribution characteristics of shale are comprehensively analyzed by means of geophysical,well logging and desorption experiments.The favorable section prediction and resource calculation for the K1 q1 formation show that the region has rich potential of shale gas resources and meets the requirement of gas content in the continental shale gas formation and is a favorable target area for further breakthrough in shale gas exploration.
引文
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[18]杨建,付永强,陈鸿飞,等.页岩储层的岩石力学特性[J].天然气工业,2012,32(7):12-14.YANG Jian,FU Yongqiang,CHEN Hongfei,et al.Rock mechanics characteristics of shale reservoirs[J].Natural Gas Industry,2012,32(7):12-14.
[19]刁海燕.泥页岩储层岩石力学特性及脆性评价[J].岩石学报,2013,29(9):3300-3306.DIAO Haiyan.Rock mechanical properties and brittleness evaluation of shale reservoirs[J].Acta Petrologica Sinica,2013,29(9):3300-3306.
[20]张汉荣.川东南地区志留系页岩含气量特征及其影响因素[J].天然气工业,2016,36(8):36-42.ZHANG Hanrong.Gas content of the silurian shale in the SE Sichuan basin and its controlling factors[J].Natural Gas Industry,2016,36(8):36-42.
[21] JI Kun,GUO Shaobin,HOU Binchi.A logging calculation method for shale adsorbed gas content and its application[J].Journal of Petroleum Science and Engineering,2017,150:250-256.
[22] TANG Ying,LI Lezhong,JIANG Shixi.A logging interpretation methodology of gas content in shale gas reservoirs and its application[J].Natural Gas Industry,2014,34(12):46-54.
[23]谢非,丁文龙,尹帅.陆相泥页岩储层岩石物理性质及含气性影响因素[J].科学技术与工程,2017,17(5):20-28.XIE Fei,DING Wenlong,YIN Shuai.Petrophysical properties of continental shale reservoir and the influence factors of its gas contents[J].Science Technology and Engineering,2017,17(5):20-28.
[2]戴春雷,付晓飞,陈哲.浅析松辽盆地北部青山口组页岩气资源潜力[J].科学技术与工程,2012,12(17):4134-4140.DAI Chunlei,FU Xiaofei,CHEN Zhe.Shale gas resource potential analysis of Qingshankou Group in northern Songliao basin[J].Science Technology and Engineering,2012,12(17):4134-4140.
[3] WANG Lei,YAO Bowen,XIE Haojun,et al.CO2injectioninduced fracturing in naturally fractured shale rocks[J].Energy,2017,139:1094-1110.
[4] VULIN D,KUREVIJA T,KOLENKOVIC I.The effect of mechanical rock properties on CO2 storage capacity[J].Energy,2012,45(1):512-518.
[5] ZHANG X,LU Y,TANG J,et al.Experimental study on fracture initiation and propagation in shale using supercritical carbon dioxide fracturing[J].Fuel,2017,190:370-378.
[6]延长石油集团研究院.坚持技术创新-延长石油陆相页岩气井取得高产突破[EB/OL].(2017-12-25)[2018-01-01].http:∥yjy.sxycpc.com/info/1010/3280.htm.
[7]杨立英,李瑞磊,张江涛,等.松辽盆地南部十屋断陷构造特征研究[J].地球物理学进展,2005,20(3):775-779.YANG Liying,LI Ruilei,ZHANG Jiangtao,et al.Study of structure character with seismic data in Shiwu fault depression in south of Songliao basin[J].Progress in Geophysics,2005,20(3):775-779.
[8]牛继辉,于文祥,汪志刚,等.吉林省松辽盆地白垩系下统青山口组油页岩沉积特征[J].吉林地质,2010,29(2):71-73.NIU Jihui,YU Wenxiang,WANG Zhigang,et al.Sedimentary characteristics of oil shale of Qingshankou formation,lower Cretaceous system in the Songliao basin,Jilin province[J].Jilin Geology,2010,29(2):71-73.
[9]刘琛,韩佳兵,柳蓉,等.松辽盆地南部上白垩统青山口组油页岩风化特征与实验研究[J].世界地质,2017(4):1190-1198.LIU Chen,HAN Jiabing,LIU Rong,et al.Weathering characteristics and experimental study of upper cretaceous Qingshankou formation oil shale in southern Songliao basin[J].Global Geology,2017(4):1190-1198.
[10]丁文龙,曾维特,王濡岳,等.页岩储层构造应力场模拟与裂缝分布预测方法及应用[J].地学前缘,2016,23(2):63-74.DING Wenlong,ZENG Weite,WANG Ruyue,et al.Method and application of tectonic stress field simulation and fracture distribution prediction in shale reservoir[J].Earth Science Frontiers,2016,23(2):63-74.
[11] CLARKSON C R,JENSEN J L,PEDERSEN P K,et al.Innovative methods for flowunit and pore-structure analyses in a tight siltstone and shale gas reservoir[J].AAPG Bull,2012b,96(2):355-374.
[12]黄振凯,陈建平,薛海涛,等.松辽盆地白垩系青山口组泥页岩孔隙结构特征[J].石油勘探与开发,2013,40(1):58-65.HUANG Zhenkai,CHEN Jianping,XUE Haitao,et al.Microstructural characteristics of the Cretaceous Qingshankou formation shale,Songliao basin[J].Petroleum Exploration and Development,2013,40(1):58-65.
[13]刘若冰.超压对川东南地区五峰组-龙马溪组页岩储层影响分析[J].沉积学报,2015,33(4):817-827.LIU Ruobing.Analyses of influences on Shale reservoirs of Wufeng-Longmaxi formation by overpressure in the southeastern part of Sichuan basin[J].Acta Sedimentologica Sinica,2015,33(4):817-827.
[14]谢晓永,唐洪明,王春华,等.氮气吸附法和压汞法在测试泥页岩孔径分布中的对比[J].天然气工业,2006(12):100-102.XIE Xiaoyong,TANG Hongming,WANG Chunhua,et al.Contrast of nitrogen adsorption method and mercury porosimetry method in analysis of shales pore size distribution[J].Natural Gas Industry,2006(12):100-102.
[15] SING K S W,EVERETT D H,HAUL R A W,et al.Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity[J].Pure Applied Chemistry 1985,57(4):603-619.
[16]李占东,王义军,胡慧婷,等.松辽盆地北部青山口组一段泥页岩储集层特征[J].新疆石油地质,2015,36(1):20-24.LI Zhandong,WANG Yijun,HU Huiting,et al.Shale reservoir characteristics of Qing-1 member of cretaceous Qingshankou formation in northern Songliao basin[J].Xinjiang Petroleum Geology,2015,36(1):20-24.
[17]赵金洲,徐文俊,李勇明,等.页岩气储层可压性新方法[J].天然气地球科学,2015,26(6):1165-1172.ZHAO Jinzhou,XU Wenjun,LI Yongming,et al.A new method of fracability evaluation of shale gas reservoir[J].Natural Gas Geoscience,2015,26(6):1165-1172.
[18]杨建,付永强,陈鸿飞,等.页岩储层的岩石力学特性[J].天然气工业,2012,32(7):12-14.YANG Jian,FU Yongqiang,CHEN Hongfei,et al.Rock mechanics characteristics of shale reservoirs[J].Natural Gas Industry,2012,32(7):12-14.
[19]刁海燕.泥页岩储层岩石力学特性及脆性评价[J].岩石学报,2013,29(9):3300-3306.DIAO Haiyan.Rock mechanical properties and brittleness evaluation of shale reservoirs[J].Acta Petrologica Sinica,2013,29(9):3300-3306.
[20]张汉荣.川东南地区志留系页岩含气量特征及其影响因素[J].天然气工业,2016,36(8):36-42.ZHANG Hanrong.Gas content of the silurian shale in the SE Sichuan basin and its controlling factors[J].Natural Gas Industry,2016,36(8):36-42.
[21] JI Kun,GUO Shaobin,HOU Binchi.A logging calculation method for shale adsorbed gas content and its application[J].Journal of Petroleum Science and Engineering,2017,150:250-256.
[22] TANG Ying,LI Lezhong,JIANG Shixi.A logging interpretation methodology of gas content in shale gas reservoirs and its application[J].Natural Gas Industry,2014,34(12):46-54.
[23]谢非,丁文龙,尹帅.陆相泥页岩储层岩石物理性质及含气性影响因素[J].科学技术与工程,2017,17(5):20-28.XIE Fei,DING Wenlong,YIN Shuai.Petrophysical properties of continental shale reservoir and the influence factors of its gas contents[J].Science Technology and Engineering,2017,17(5):20-28.
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