渤海油田ICD分仓控水方案设计和控水效果评价方法
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摘要
渤海油田D5H井所在区块以底水构造油藏为主,油井投产后出水严重,应用中心管和变密度筛管等方式控水效果不佳。基于D5H井的控水方案设计流程,尝试使用ICD分仓控水方法进行作业,控水效果较好;进而提出一套适用于该油田的ICD控水效果定量评价方法:(1)与相邻同层位生产井含水率对比法;(2)与原始配产含水率对比法;(3)与校正数值模拟结果(模拟井不控水的含水率)对比法。采用该方法对D5H井和变密度筛管控水的D2H井控水效果进行评价,结果显示,D5H井的平均增油速率为6 043.3 m~3/a,而D2H井仅为2 128.7 m~3/a,表明ICD分仓控水方法的控水效果明显优于变密度筛管控水效果。该研究结果对渤海油田推广使用ICD分仓技术以及定量评价单井的控水效果具有很好的指导和借鉴作用。
The block where the well D5 H located in Bohai Oilfield is dominated by the bottom-water structure reservoir, after production, the oil well produced lots of water. Despite the use of a central tube and a variable density screen to control water, the effect is not good. Based on the design process of the water control of the well D5 H, the ICD water control method was tried, it was found that the water control effect was very good. Therefore, based on this, a set of quantitative evaluation methods for ICD water control effect suitable for the oilfield is proposed, which includes:(1) Comparison of water content in the same layer of adjacent production wells;(2) Comparison of water content for the original allocation;(3) Comparison method of corrected numerical simulation result(water content of simulated wells without water control). Comparing the water control effect of well D5 H and D2 H(variable density screen method), the results show that the average increase rate of oil production in well D5 H is 6 043.3 m~3/a, while well D2 H is only 2 128.7 m~3/a. This indicates that the water control effect of the ICD water control method is significantly better than that of the variable density screen. The research results have a good guidance and reference for the promotion of ICD technology in Bohai Oilfield and the quantitative evaluation of the water control effect of single well.
The block where the well D5 H located in Bohai Oilfield is dominated by the bottom-water structure reservoir, after production, the oil well produced lots of water. Despite the use of a central tube and a variable density screen to control water, the effect is not good. Based on the design process of the water control of the well D5 H, the ICD water control method was tried, it was found that the water control effect was very good. Therefore, based on this, a set of quantitative evaluation methods for ICD water control effect suitable for the oilfield is proposed, which includes:(1) Comparison of water content in the same layer of adjacent production wells;(2) Comparison of water content for the original allocation;(3) Comparison method of corrected numerical simulation result(water content of simulated wells without water control). Comparing the water control effect of well D5 H and D2 H(variable density screen method), the results show that the average increase rate of oil production in well D5 H is 6 043.3 m~3/a, while well D2 H is only 2 128.7 m~3/a. This indicates that the water control effect of the ICD water control method is significantly better than that of the variable density screen. The research results have a good guidance and reference for the promotion of ICD technology in Bohai Oilfield and the quantitative evaluation of the water control effect of single well.
引文
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[24] 张丽平,高尚,刘长龙,等.水平井化学机械组合堵控水工艺及管柱分析[J].石油矿场机械,2018,47(3):50-53.ZHANG Liping,GAO Shang,LIU Changlong,et al.Study and string analysis of plugging and controlling water technology by combining chemical method and mechanical method for horizontal wells[J].Oil Field Equipment,2018,47(3):50-53.
[25] 饶富培,董云龙,吴杰生,等.大港油田底水油藏水平井控水完井工艺[J].石油钻采工艺,2010,32(3):107-109.RAO Fupei,DONG Yunlong,WU Jiesheng,et al.Techno-logy of water control and well completion of horizontal wells in bottom water reservoir in Dagang Oilfield[J].Oil Drill-ing & Production Technology,2010,32(3):107-109.
[26] 张磊,潘豪.稳油控水技术在底水油藏水平井开发前期设计中的应用[J].重庆科技学院学报(自然科学版),2012,14(5):40-46.ZHANG Lei,PAN Hao.Application of stabilizing oil production controlling water cut technique in horizontal well for pre-developing with bottom water reservoir[J].Journal of Chongqing University of Science and Technology(Natural Sciences Edition),2012,14(5):40-46.
[2] 李立峰,岳湘安,张立娟.考虑井筒压降的底水油藏水平井见水时间研究[J].西安石油大学学报(自然科学版),2012,27(4):46-49.LI Lifeng,YUE Xiang′an,ZHANG Lijuan.Study on water breakthrough time of horizontal well in bottom water reservoir considering wellbore pressure drop [J].Journal of Xi'an Shiyou University (Natural Science Edition),2012,27(4):46-49.
[3] 郭秀文.边底水油藏见水时间及无水期采收率的确定[J].断块油气田,2003,10(1):51-52.GUO Xiuwen.The determination method of the water-coming time and the breakthrough recovery in edge and bottom water reservoir [J].Fault-Block Oil and Gas Field,2003,10(1):51-52.
[4] 甄宝生.井下智能找水、堵水技术在渤海油田水平井中的应用[J].油气井测试,2016,25(4):56-57.ZHEN Baosheng.Application of underground intelligent water finding and water plugging technology in horizontal wells of Bohai oilfield [J].Well Testing,2016,25(4):56-57.
[5] 马磊,王尔钧,魏安超,等.海上油气井测试管柱决策系统研究[J].油气井测试,2017,26(2):28-32.MA Lei,WANG Erjun,WEI Anchao,et al.Well testing string decision-making system for offshore oil and gas wells [J].Well Testing,2017,26(2):28-32.
[6] 刘晓旭,吕选鹏,何风华,等.自选相可解除堵水技术及效果分析[J].油气井测试,2016,25(2):71-72.LIU Xiaoxu,LYU Xuanpeng,HE Fenghua,et al.A removable optional phase water sealing technology and analysis of its effect [J].Well Testing,2016,25(2):71-72.
[7] 王利军,刘传刚,王丙刚,等.海上油田水平井控水完井技术现状及发展趋势[J].石油矿场机械,2017,46(1):86-89.WANG Lijun,LIU Chuangang,WANG Binggang,et al.Status and development trend of horizontal well water-control completion technology for offshore oil field [J].Oil Field Equipment,2017,46(1):86-89.
[8] ALKHELAIWI F T,DAVIES D R.Inflow control devices:application and value quantication of a developing technology [C].SPE 108700,2007.
[9] AL-AHMADI H A,AL-MUTARI S M.Effective water production control through utilizing ECP and passive ICD completion technologies:case histories [C].SPE 120822,2008.
[10] 陈献铭.水平井ICD完井控水增油效果数值模拟研究[D].成都:西南石油大学,2014.CHEN Xianming.Numerical simulation study on water control and oil increasing effect of horizontal well ICD completion [D].Chengdu:Southwest Petroleum University,2014.
[11] 吴振华,高德利,丁生.ICD在曹妃甸油田水平井完井中的适用性研究[J].石油化工应用,2012,31(6):5-9.WU Zhenhua,GAO Deli,DING Sheng.Applicability of ICD in horizontal well completion in CFD oilfield [J].Application of Petrochemical Industry,2012,31(6):5-9.
[12] 付宣,李根生,崔明月,等.非均质底水油藏水平井ICD完井耦合模型与目标剖面计算方法[J].石油钻采工艺,2015,37(4):27-32.FU Xuan,LI Gensheng,CUI Mingyue,et al.Calculation method for ICD completion coupling model and target proifle of horizontal wells in heterogeneous bottom water reservoir [J].Oil Drilling & Production Technology,2015,37(4):27-32.
[13] 李冬梅,帅春岗,徐强,等.水平井ICD控底水完井优化研究[J].钻采工艺,2012,35(2):45-47.LI Dongmei,SHUAI Chungang,XU Qiang,et al.Study on optimization of ICD controlled bottom water completion in horizontal well [J].Drilling & Production Technology,2012,35(2):45-47.
[14] OUYANG Liangbiao.Practical consideration of an inflow control devices:application for reducing water productio [C].SPE 124145,2009.
[15] GARCIA G,CORONADO M.Identifying well completion applications for passive inflow control devices [C].SPE 124349,2009.
[16] 刘均荣,于伟强.ICD/ICV井下流量控制技术[J].石油矿场机械,2013,42(3):1-6.LIU Junrong,YU Weiqiang.Downhole inflow control technology with ICD/ICV [J].Oil Field Equipment,2013,42(3):1-6.
[17] 良川,肖国华,王金忠,等.冀东油田水平井分段控水配套技术[J].断块油气田,2010,17(6):655-658.LIANG Chuan,XIAO Guohua,WANG Jinzhong,et al.Sectionalized water control matching technologe of horizontal well in Jidong oifield [J].Fault-Block Oil and Gas Field,2010,17(6):655-658.
[18] 帅春岗,段永刚,冉林,等.水平井ICD控水方法研究[J].石油钻采工艺,2012,34(1):85-88.SHUAI Chungang,DUAN Yonggang,RAN Lin,et al.Research on the method of controlling bottom water with Inflow Control Devices (ICD) in horizontal well [J].Oil Drilling & Production Technology,2012,34(1):85-88.
[19] 赵海峰,田建超,穆二飞,等.水平井控水装置发展现状[J].石油矿场机械,2017,46(1):81-85.ZHAO Haifeng,TIAN Jianchao,MU Erfei,et al.Developing situation of water control device in horizontal wells [J].Oil Field Equipment,2017,46(1):81-85.
[20] 赵旭,姚志良,刘欢乐.水平井调流控水筛管完井设计方法研究[J].石油钻采工艺,2013,35(1):23-27.ZHAO Xu,YAO Zhiliang,LIU Huanle.Technical research on well completion design with Inflow Control Device (ICD) in horizontal wells [J].Oil Drilling & Production Technology,2013,35(1):23-27.
[21] 安永生,张宁,张恒.水平井ICD控水完井一体化耦合数值模拟研究[J].中国海上油气,2017,29(2):109-113.AN Yongsheng,ZHANG Ning,ZHANG Heng.Numerical simulation study on the coupling of horizontal wells with ICD water control completion [J].China Offshore Oil and Gas,2017,29(2):109-113.
[22] 李还向,郑懿,王科萌,等.陕北长9储层增油控水增产措施研究[J].油气井测试,2012,21(4):71-72.LI Huanxiang,ZHENG Yi,WANG Kemeng,et al.Study of increasing production measure to increase oil and water control in Chang 9 reservoir of Shanbei areas [J].Well Testing,2012,21(4):71-72.
[23] 单锋,陈军,李有伟,等.碳酸盐岩超深超长水平井完井模拟通井技术[J].油气井测试,2015,24(1):54-56.SHAN Feng,CHEN Jun,LI Youwei,et al.Simulation drift technology of well completion for long of ultra deep horizontal well with carbonate rock [J].Well Testing,2015,24(1):54-56.
[24] 张丽平,高尚,刘长龙,等.水平井化学机械组合堵控水工艺及管柱分析[J].石油矿场机械,2018,47(3):50-53.ZHANG Liping,GAO Shang,LIU Changlong,et al.Study and string analysis of plugging and controlling water technology by combining chemical method and mechanical method for horizontal wells[J].Oil Field Equipment,2018,47(3):50-53.
[25] 饶富培,董云龙,吴杰生,等.大港油田底水油藏水平井控水完井工艺[J].石油钻采工艺,2010,32(3):107-109.RAO Fupei,DONG Yunlong,WU Jiesheng,et al.Techno-logy of water control and well completion of horizontal wells in bottom water reservoir in Dagang Oilfield[J].Oil Drill-ing & Production Technology,2010,32(3):107-109.
[26] 张磊,潘豪.稳油控水技术在底水油藏水平井开发前期设计中的应用[J].重庆科技学院学报(自然科学版),2012,14(5):40-46.ZHANG Lei,PAN Hao.Application of stabilizing oil production controlling water cut technique in horizontal well for pre-developing with bottom water reservoir[J].Journal of Chongqing University of Science and Technology(Natural Sciences Edition),2012,14(5):40-46.