二连盆地乌兰花凹陷花岗岩储层改造技术研究及应用
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摘要
通过对乌兰花凹陷花岗岩裂缝性储层进行研究,分析了花岗岩的岩石矿物成分、孔隙结构、裂缝产状等基本特征,梳理了裂缝性花岗岩储层改造难点,并以此为出发点,借鉴非常规储层改造理念,形成了促进油气-裂缝的连通,增大油气-裂缝接触面积的储层改造工艺技术,同时配套形成复合压裂液体系及全尺度支撑剂组合注入技术。该技术已应用在探井Lan47井花岗岩裂缝储层改造中,获得良好的应用效果,对乌兰花凹陷花岗岩储层勘探开发具有重要的借鉴意义。
Based on the study of fractured granite reservoirs on Wulanhua sag,the basic characteristics of rock mineral composition,pore structure and fracture formation of granite are analyzed,the difficulties in the reconstruction of blocks are predicted.Drawing lessons from the reservoir transformation mode of unconventional reservoirs,promoting the connection of oil and gas and crack,increasing the contact area of oil and gas and crack,selecting the reservoir reconstruction technology.The combination injection technology of compound fracturing fluid system and full particle size support agent.This technology has been applied to the reconstruction of fractured granite reservoirs in Lan47 well,and has achieved good results.It is of great reference to the exploration and development of granite reservoirs in Wulanhua sag.
Based on the study of fractured granite reservoirs on Wulanhua sag,the basic characteristics of rock mineral composition,pore structure and fracture formation of granite are analyzed,the difficulties in the reconstruction of blocks are predicted.Drawing lessons from the reservoir transformation mode of unconventional reservoirs,promoting the connection of oil and gas and crack,increasing the contact area of oil and gas and crack,selecting the reservoir reconstruction technology.The combination injection technology of compound fracturing fluid system and full particle size support agent.This technology has been applied to the reconstruction of fractured granite reservoirs in Lan47 well,and has achieved good results.It is of great reference to the exploration and development of granite reservoirs in Wulanhua sag.
引文
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[16]王宏勋,张士诚.水力压裂设计数值计算方法[M].北京:石油工业出版社,1998.
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[2]李军生,林春明,毕建国,等.辽河盆地大民屯凹陷法哈牛构造太古界古潜山成藏特征研究[J].特种油气藏,2006,13(4):27-30.LI Junsheng,LIN Chunming,BI Jianguo,et al.Study on the characteristics of ancient buried mountain formation in Taikoo community of Fahaniu structure in Damintun depression of Liaohe basin[J].Special Oil&Gas Reservoirs,2006,13(4):27-30.
[3]肖淑蓉,张跃明.辽河盆地基岩潜山油藏裂缝型储层特征[J].中国海上油气:地质,2004,14(2):108-111.XIAO Shurong,ZHANG Yueming.Characteristics of fracture reservoir in qianshan reservoir of base rock in Liaohe basin[J].China Offshore Oil and Gas:Geology,2004,14(2):108-111.
[4]薛永安,项华,李思田.锦州25-1S大型混合花岗岩潜山油藏发现的启示[J].石油天然气学报,2006,28(3):29-31.XUE Yongan,XIANG Hua,LI Sitian.Enlightenment of discovery of large mixed granite qianshan reservoir in Jinzhou25-1S[J].Journal of Oil and Gas Technology,2006,28(3):29-31.
[5]刘桂珍,张德诗,李能武.昆北断阶带基岩储层特征及油气成藏条件[J].岩性油气藏,2015,27(2):62-69.LIU Guizhen,ZHANG Deshi,LI Nengwu.Characteristics of bedrock reservoirs and hydrocarbon accumulation conditions in the fault stage zone of northern Kun[J].Lithologic Reservoirs,2015,27(2):62-69.
[6]朴勇信.二连盆地乌兰花凹陷沉积相特征研究[D].长春:吉林大学,2016.
[7]王鑫,李玲,余雁,等.二连盆地乌兰花凹陷古地貌恢复及构造发育史研究[J].中国石油勘探,2013,18(6):62-69.WANG Xin,LI Ling,YU Yan,et al.Study on the paleogeomorphology restoration and structural development history of Wulanhua sag in Erlian basin[J].China Petroleum Exploration,2013,18(6):62-69.
[8]赵峰,唐洪明,孟英峰,等.花岗岩储层损害机理及保护技术研究[J].西南石油大学学报:自然科学版,2008,30(3):76-80.ZHAO Feng,TANG Hongming,MENG Yingfeng,et al.Research on the damage mechanism and protection technology of granite reservoir[J].Journal of Southwest Petroleum University:Science and Technology Edition,2008,30(3):76-80.
[9]王昕,周心怀,徐国胜,等.渤海海域蓬莱9-1花岗岩潜山大型油气田储层发育特征与主控因素[J].石油与天然气地质,2015,36(2):262-270.WANG Xin,ZHOU Xinhuai,XU Guosheng,et al.Characteristics and controlling factors of reservoirs in Penglai 9-1largescale oilfield in buried granite hills,Bohai sea[J].Oil and Gas Geology,2015,36(2):262-270.
[10]罗利,任兴国,姚声贤.花岗岩储层裂缝评价及其横向预测[J].测井技术,1998,22(3):204-207.LUO Li,REN Xingguo,YAO Shengxian.Fracture evaluation of granite reservoir and its lateral predication[J].Well Logging Technology,1998,22(3):204-207.
[11]姜永东,鲜学福,许江.岩石声发射Kaiser效应应用于地应力测试的研究[J].岩土力学,2005,26(6):946-949.JIANG Yongdong,XIAN Xuefu,XU Jiang.Research on application of Kaiser effect of acoustic emission to measuring initial stress in rock mass[J].Rock and Soil Mechanics,2005,26(6):946-949.
[12]延新杰,李连崇,张潦源,等.岩石脆性对水力压裂裂缝影响的数值模拟实验[J].油气地质与采收率,2017,24(3):116-121.YAN Xinjie,LI Lianchong,ZHANG Liaoyuan,et al.Numerical simulation experiment of the effect of rock brittleness on fracture propagation of hydraulic fracturing[J].Petroleum Geology and Recovery Efficiency,2017,24(3):116-121.
[13]倪小明,王延斌,接铭训,等.不同构造部位地应力对压裂裂缝形态的控制[J].煤炭学报,2008,33(5):505-508.NI Xiaoming,WANG Yanbin,JIE Mingxun,et al.Stress’s influence in different tectonic positions on fracturing interstitial morphology[J].Journal of China Coal Society,2008,33(5):505-508.
[14]段贵府,才博,康如坤,等.二连油田安山岩裂缝性储层压裂技术研究[J].非常规油气,2016,3(1):77-81.DUAN Guifu,CAI Bo,KANG Rukun,et al.Fracturing technology for Andesite fractured reservoir in Erlian oilfield[J].Unconventional Oil and Gas,2016,3(1):77-81.
[15]周祥,张士诚,邹雨时,等.致密油藏水平井体积压裂裂缝扩展及产能模拟[J].西安石油大学学报:自然科学版,2015,30(4):53-58.ZHOU Xiang,ZHANG Shicheng,ZOU Yushi,et al.Fracture expansion and capacity simulation of horizontal well fracturing in dense reservoir[J].Journal of Xi’an Shiyou University:Natural Science Edition,2015,30(4):53-58.
[16]王宏勋,张士诚.水力压裂设计数值计算方法[M].北京:石油工业出版社,1998.
[17]陈鹏飞,刘友权,邓素芬,等.页岩气体积压裂滑溜水的研究及应用[J].石油与天然气化工,2013,42(3):270-273.CHEN Pengfei,LIU Youquan,DENG Sufen,et al.Research and application of slick water for shale volume fracturing[J].Chemical Engineering of Oil&Gas,2013,42(3):270-273.
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