海上稠油热采井微差井温测试技术
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摘要
海上稠油热采井多为水平井,油藏非均质性强,多轮次吞吐出现气窜,水平段动用不均衡,热采效果变差。热采井微差井温测试技术利用油管或者连续油管将微差井温测试仪下入热采井水平段,对水平段进行温度、压力测试,然后通过吸汽剖面分析方法和数值模拟分析方法对测试数据进行解释,分析水平段的吸汽和动用情况。渤海某油田热采水平井X1井应用该技术成功录取了水平段的温度、压力数据,认识到水平段的吸汽情况及动用程度均呈现出"前端<中部<末端"的三段式分布规律,并根据测试分析结果,优化注汽方案,提出优化注汽管柱结构,水平段分段、选段注汽以及末端堵调的下步措施建议。该技术为海上稠油热采水平井提供了有效的测试和分析手段。
Most of the offshore heavy oil thermal recovery wells are horizontal wells,which have the following characteristics: the strong reservoir heterogeneity,the gas channeling after multiple cyclic steam stimulation,and the uneven utilization of reservoirs in horizontal sections,which leads to low thermal recovery. In order to solve these problems,the DTEM test technology of thermal recovery wells is used to test the temperature and pressure of the horizontal section. Then,based on the steam injection profile analysis and numerical simulation analysis,the test data is interpreted to analyze the steam injection and utilization of the horizontal section. This technology provides an effective test and analysis method for offshore heavy oil thermal recovery horizontal wells. Taking the well X1 of the thermal recovery horizontal well in an oilfield in Bohai as an example,after applying this technology,the well successfully recorded the temperature and pressure data of the horizontal section,based on that it is found that both of the steam injection and utilization degree of the horizontal section showed a three-stage distribution law,that is,the end of the horizontal section is the best,the middle is the second,and the front end is the worst. This conclusion,combined with the test analysis results,provides a reference for the steam injection plan and the optimization of the steam injection tubular structure. It also provides suggestions for the stages of the horizontal section,the selection of the steam injection position and the next step of the terminal plugging-control.
Most of the offshore heavy oil thermal recovery wells are horizontal wells,which have the following characteristics: the strong reservoir heterogeneity,the gas channeling after multiple cyclic steam stimulation,and the uneven utilization of reservoirs in horizontal sections,which leads to low thermal recovery. In order to solve these problems,the DTEM test technology of thermal recovery wells is used to test the temperature and pressure of the horizontal section. Then,based on the steam injection profile analysis and numerical simulation analysis,the test data is interpreted to analyze the steam injection and utilization of the horizontal section. This technology provides an effective test and analysis method for offshore heavy oil thermal recovery horizontal wells. Taking the well X1 of the thermal recovery horizontal well in an oilfield in Bohai as an example,after applying this technology,the well successfully recorded the temperature and pressure data of the horizontal section,based on that it is found that both of the steam injection and utilization degree of the horizontal section showed a three-stage distribution law,that is,the end of the horizontal section is the best,the middle is the second,and the front end is the worst. This conclusion,combined with the test analysis results,provides a reference for the steam injection plan and the optimization of the steam injection tubular structure. It also provides suggestions for the stages of the horizontal section,the selection of the steam injection position and the next step of the terminal plugging-control.
引文
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[2]王卓飞,魏新春,江莉,等.浅层稠油热采水平井测试技术研究及应用[J].石油地质与工程,2008,22(6):112-113.WANG Zhuofei,WEI Xinchun,JIANG Li,et al.Research and application of horizontal well testing technology for shallow heavy oil thermal recovery[J].Petroleum Geology and Engineering,2008,22(6):112-113.
[3]阮林华,王连生,吴军,等.稠油热采水平井测试技术的研究与应用[J].石油科技论坛,2009(6):43-46.RUAN Linhua,WANG Liansheng,WU Jun,et al.Application of testing technology of horizontal wells of thermal production in dense oilfields[J].Oil Forum,2009(6):43-46.
[4]邵立民.国内外水平井生产测试技术[J].油气井测试,2016,25(1):73-74.SHAO Limin.Production test technology to horizontal well at home and abroad[J].Well Testing,2016,25(1):73-74.
[5]张瑞,单永乐,吴胜利,等.涩北气田水平井测试工艺研究与应用[J].油气井测试,2015,24(6):47-48.ZHANG Rui,SHAN Yongle,WU Shengli,et al.Research on testing technology to horizontal well in Sebei gas field and its application[J].Well Testing,2015,24(6):47-48.
[6]石国强.水平井产出剖面测试工艺在大牛地气田的应用[J].中国石油石化,2017(1):59-60,61.SHI Guoqiang.Application of horizontal well production profile testing technology in Daniudi gas field[J].China Petrochem,2017(1):59-60,61.
[7]崔文昊,高榕,常莉静,等.井下存储式浮子流量计在水平井产液剖面测试中的应用[J].测井技术,2017,41(4):458-461.CUI Wenhao,GAO Rong,CHANG Lijing,et al.Application of downhole memory float flowmeter to production fluid profile logging in horizontal wells[J].Well Logging Technology,2017,41(4):458-461.
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[9]艾尼瓦尔.双管井水平井温度、压力监测工艺技术[J].新疆石油科技,2010,20(4):13-15.ANWAR.Monitoring technology of horizontal well temperature and pressure in double pipe well[J].Xinjiang Petroleum Science&Technology,2010,20(4):13-15.
[10]赵占锋,冯红波,刘建朴,等.河南油田泌浅10区稠油热采测试技术[J].中国石油和化工标准与质量,2014(9):80.ZHAO Zhanfeng,FENG Hongbo,LIU Jianpu,et al.Thermal recovery test technology for heavy oil in shallow10 area of Henan oilfield[J].China Petroleum and Chemical Standard and Quality,2014(9):80.
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[12]程国强,杨国武,叶志权,等.动态监测新技术在稠油热采中的应用[J].石油天然气学报,2010,32(2):333-335.CHENG Guoqiang,YANG Guowu,YE Zhiquan,et al.Application of dynamic monitoring technology in thermal recovery of heavy oil[J].Journal of Oil and Gas Technology,2010,32(2):333-335.
[13]张丁涌.稠油热采水平井温度测试及注汽剖面分析[J].中国石油大学学报(自然科学版),2017,41(2):124-130.ZHANG Dingyong.Temperature test and injection profile analysis in heavy oil thermal recovery horizontal well[J].Journal of China University of Petroleum(Edition of Natural Science),2017,41(2):124-130.
[14]宫继刚.毛细管温压一体化监测技术[J].甘肃科技,2008,24(13):51-52.GONG Jigang.Integrated monitoring technology of capillary temperature and pressure[J].Gansu Science and Technology,2008,24(13):51-52.
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[17]贾振甲,孙达,李方宇,等.致密油储层试油分布式光纤传感监测技术[J].油气井测试,2018,27(3):58-65.JIA Zhenjia,SUN Da,LI Fangyu,et al.Monitoring technique involving distributed optical fiber sensor for well testing in tight oil reservoirs[J].Well Testing,2018,27(3):58-65.
[18]梁栋,刘明,杨琴琴,等.热采水平井井温剖面测试及分析技术研究与应用[J].化学工程与装备,2012(6):89-91.LIANG Dong,LIU Ming,YANG Qinqin et al.Research and application of horizontal well temperature profile test and analysis technology in thermal recovery[J].Chemical Engineering&Equipment,2012(6):89-91.
[19]韩祥立.微差井温测井技术在油井找水中的应用[J].内蒙古石油化工,2011(8):168-169.HAN Xiangli.Application of differential temperature logging technology in water finding in oil wells[J].Inner Mongolia Petrochemical Industry,2011(8):168-169.
[20]邵立民.微差井温与硼中子测井技术在胜利油田控水中的应用[J].国外测井技术,2013,198(6):57-60.SHAO Limin.Differential temperature and boron neutron logging technology to water control in Shengli oilfield[J].World Well Logging Technology,2013,198(6):57-60.
[21]高振涛,郑庆龙,郑德胜,等.微差井温仪的研制及在油田开发中的应用[J].石油管材与仪器,2016,2(4):18-21.GAO Zhentao,ZHENG Qinglong,ZHENG Desheng,et al.Development and application of the differential temperature logging tool in oilfield development[J].Petroleum Tubular Goods&Instruments,2016,2(4):18-21.
[22]王荣艳,王红兵.孤东油田稠油热采测试技术应用[J].油气井测试,2007,16(4):46-47.WANG Rongyan,WANG Hongbing.Application of well testing tech of thermal recovering for dense oil in Gudong oilfield[J].Well Testing,2007,16(4):46-47.
[23]刘富,谢嘉析,樊玉新.稠油热采水平井生产测试技术[J].新疆石油天然气,2007,3(2):17-21.LIU Fu,XIE Jiaxi,FAN Yuxin.The production testing technology in horizontal wells with thermal recovery of shallow heavy oil[J].Xinjiang Oil&Gas,2007,3(2):17-21.
[24]王超,刘述忍,魏艳梅,等.高含水油田开发方案调整数值模拟研究[J].油气井测试,2016,25(5):5-8.WANG Chao,LIU Shuren,WEI Yanmei,et al.Numerical simulation study on development plan adjustment for oil field with high water cut[J].Well Testing,2016,25(5):5-8.
[25]李延杰,张艳玉,张贤松,等.海上稠油油藏蒸汽吞吐周期注汽量优化研究[J].油气地质与采收率,2014,21(5):87-89,93.LI Yanjie,ZHANG Yanyu,ZHANG Xiansong,et al.Cyclic steam injection volume optimization of steam huff and puff in offshore heavy oil reservoirs[J].Petroleum Geology and Recovery Efficiency,2014,21(5):87-89,93.
[26]刘延坡,罗全民,徐星光,等.春光油田春10井区热采水平井层间窜封堵剂研制及其性能评价[J].长江大学学报(自然科学版),2017,14(11):63-68,81.LIU Yanpo,LUO Quanming,XU Xingguang,et al.Study on blocking agent technology between horizontal wells in Chun 10 Area[J].Journal of Yangtze University(Natural Science Edition),2017,14(11):63-68,81.
[27]王智林,杨胜来,马铨峥,等.稠油油藏蒸汽吞吐助排开发方案优化研究[J].石油化工高等学校学报,2016,29(5):54-59.WANG Zhilin,YANG Shenglai,MA Quanzheng,et al.Optimization study on cleanup scheme of steam stimulation in heavy oil reservoirs[J].Journal of Petrochemical Universities,2016,29(5):54-59.