留107断块注采井组平均地层压力计算方法
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摘要
针对注水开发油田无法采用Honor法和MDH法求取注采井组平均地层压力的问题,以试井资料为依托,采用MDH+Y函数法求取注采井的地层压力,再依据势叠加原理计算注采井之间的地层压力,进而结合压力降落速率及阻力加权平均方法求取注采井组的平均地层压力,绘制注采井组地层压力等值线图。应用此方法,求取大王庄油田留107断块L107-18X井组的平均地层压力为29.23 MPa,该井组压力分布等值线图表明,注入水推进速度沿L107-13井方向最快,沿L107-17X井方向最慢,与示踪剂监测结果相符。该方法可以获取可靠的注采井组平均地层压力,评价水驱开发效果,为水驱开发油田开发方案调整和措施设计提供科学依据。
For the oilfield developed with water injection, the Honor method and the MDH method cannot be used to obtain the average formation pressure of the injection-production well group. Based on the well test data, the MDH and Y function method was first used to obtain the formation pressure of the injection-production well. Then, according to the principle of potential superposition, the formation pressure between the injection-production wells was calculated. Finally, the average formation pressure of the injection-production well group was obtained by combining the pressure drop rate and the resistance weighted average method, and the formation pressure contour of the injection-production well group was established. Using this method, the average formation pressure of the L107-18 X Well group of the Liu107 fault block in Dawangzhuang Oilfield was obtained, and the value was 29.23 MPa. The pressure distribution contour of the well group shows that the injection water velocity was the fastest along the direction of L107-13 Well and the slowest along the direction of L107-17 X Well group. This conclusion was consistent with the tracer monitoring results. The method can obtain reliable average formation pressure of injection-production well group, evaluate the effect of water flooding development, and provide scientific basis for adjustment and design of development plan in water-injection development oilfield
For the oilfield developed with water injection, the Honor method and the MDH method cannot be used to obtain the average formation pressure of the injection-production well group. Based on the well test data, the MDH and Y function method was first used to obtain the formation pressure of the injection-production well. Then, according to the principle of potential superposition, the formation pressure between the injection-production wells was calculated. Finally, the average formation pressure of the injection-production well group was obtained by combining the pressure drop rate and the resistance weighted average method, and the formation pressure contour of the injection-production well group was established. Using this method, the average formation pressure of the L107-18 X Well group of the Liu107 fault block in Dawangzhuang Oilfield was obtained, and the value was 29.23 MPa. The pressure distribution contour of the well group shows that the injection water velocity was the fastest along the direction of L107-13 Well and the slowest along the direction of L107-17 X Well group. This conclusion was consistent with the tracer monitoring results. The method can obtain reliable average formation pressure of injection-production well group, evaluate the effect of water flooding development, and provide scientific basis for adjustment and design of development plan in water-injection development oilfield
引文
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[18] 赵梓瑜.F油田密井网试井理论及平均地层压力计算方法研究[D].大庆:东北石油大学,2018.ZHAO Ziyu.Well test theory and the average formation pressure calculation method of dense well pattern in F Oilfield [D].Daqing:Northeast Petroleum University,2018.
[19] 姜喆.分层测压工艺技术及资料应用探讨[J].化学工程与装备,2018(4):38-40.JIANG Zhe.Separate pressure measurement technology and data application discussion [J].Chemical Engineering & Equipment,2018(4):38-40.
[20] 陈红伟,冯其红,张先敏,等.多层非均质油藏注水开发指标预测方法[J].断块油气田,2018,25(4):473-476.CHEN Hongwei,FENG Qihong,ZHANG Xianmin,et al.Prediction method of waterflooding development indexes for multi-layer heterogeneous reservoir [J].Fault-Block Oil & Gas Field,2018,25(4):473-476.
[21] 孙达.油气井压力恢复试井解释关键技术[J].油气井测试,2018,27(6):73-77.SUN Da.Key technologies for oil and gas well pressure buildup test interpretation [J].Well Testing,2018,27(6):73-77.
[2] 金凤鸣,侯凤香,焦双志,等.断陷盆地断层-岩性油藏成藏主控因素——以饶阳凹陷留107区块为例[J].石油学报,2016,37(8):986-995.JIN Fengming,HOU Fengxiang,JIAO Shuangzhi,et al.Major controlling factors of fault-lithologic reservoir accumulation in rifted basin:A case study of Liu 107 block,Raoyang sag [J].Acta Petrolei Sinica,2016,37(8):986-995.
[3] 陈元千,邹存友,杨皓,等.确定已开发油田采油井和注水井地层压力的简易方法[J].断块油气田,2011,18(4):475-478.CHEN Yuanqian,ZOU Cunyou,YANG Hao,et al.Simple method for determining reservoir pressure of producing oil well and injecting water well in developed oilfield [J].Fault-Block Oil & Gas Field,2011,18(4):475-478.
[4] 蒋华,熊海灵,李敬松.单井地层压力简便计算方法研究[J].石油勘探与开发,1999,26(1):61-64.JIANG Hua,XIONG Hailing,LI Jingsong.A simplified calculation of reservoir pressure in a single well [J].Petroleum Exploration and Development,1999,26(1):61-64.
[5] 路士华,许俊峰,段万忠.油水井之间地层压力预测[J].胜利油田职工大学学报,2001,15(2):4-6.LU Shihua,XU Junfeng,DUAN Wanzhong.Prediction of formation pressure between oil wells [J].Journal of Shengli Oilfield Workers University,2001,15(2):4-6.
[6] 吴洪彪,毕艳昌,刘淑芬.注水开发油田地层压力评价的问题分析[J].大庆石油地质与开发,2001,20(6):34-36.WU Hongbiao,BI Yanchang,LIU Shufen.Problems of formation pressure evaluation in water flooding oil field [J].Petroleum Geology and Development in Daqing,2001,20(6):34-36.
[7] 徐荣奎,田树全,李宝泉,等.油田注采压力系统研究及应用[J].石油天然气学报(江汉石油学院学报),2005,27(3):383-385.XU Rongkui,TIAN Shuquan,LI Baoquan,et al.Study and application of injection-production pressure system in oilfield [J].Journal of Oil and Gas Technology (J JPI),2005,27(3):383-385.
[8] 孙波,蔡丽华.大庆油田地层压力评价方法研究与应用[J].油气井测试,2007,16(1):11-14.SUN Bo,CAI Lihua.Study on formation pressure evaluation method in Daqing Oilfield and its application [J].Well Testing,2007,16(1):11-14.
[9] 王绍平,刘朝霞,席妮妮,等.低渗透油藏平均地层压力计算方法研究[J].中国西部科技,2014,13(7):16-19.WANG Shaoping,LIU Zhaoxia,XI Nini,et al.Study on calculation method of average formation pressure of low permeability reservoir [J].Western China Science and Technology,2014,13(7):16-19.
[10] 包志晶.注采井间压力计算模型及应用[J].大庆石油地质与开发,2016,35(1):58-61.BAO Zhijing.Calculating model and its application for the pressures berween the injector and producers [J].Petroleum Geology and Oilfield Development in Daqing,2016,35(1):58-61.
[11] ABBASI A,HASHIM F M.A prediction model for the natural gas hydrate formation pressure into transmission line [J].Petroleum Science and Technology,2016,34(9):824-831.
[12] WANG Zhenfeng,XIE Xinong.Pressure prediction for high-temperature and high-pressure formation and its application to drilling in the Northern South China Sea [J].Acta Geologica Sinica (English Edition),2004,78(3):640-643.
[13] STANIS?AW D,ULIASZMISIAK B.Influence of differential pressure on formation water flow rate during tests of the autochtonous miocene deposits in the carpathian foredeep with DST [J].Gospodarka Surowcami Mineralnymi - Mineral Resources Management,2012,28(1):157-171.
[14] MA Tianshou,CHEN Ping,HAN Xiong.Simulation and interpretation of the pressure response for formation testing while drilling [J].Journal of Natural Gas Science and Engineering,2015,23(1):259-271.
[15] ETMINAN M,JAMALI J,RIAHI M A.Formation pore pressure prediction using velocity inversion in Southwest Iran [J].Petroleum Science and Technology,2012,30(1):28-34.
[16] 张以明,杜成良,李拥军,等.中途裸眼坐封螺杆泵联作技术加快巴彦河套盆地吉兰泰凹陷新区太古界储层勘探发现[J].油气井测试,2018,27(3):34-39.ZHANG Yiming,DU Chengliang,LI Yongjun,et al.Accelerating exploration discovery of Archaeozoic formation in Jilantai Sag of Bayanhetao Basin by combination test technology of DST and rod pump [J].Well Testing,2018,27(3):34-39.
[17] 张磊,向才富,董月霞,等.渤海湾盆地南堡凹陷异常压力系统及其形成机理[J].石油与天然气地质,2018,39(4):664-675.ZHANG Lei,XIANG Caifu,DONG Yuexia,et al.Abnormal pressure system and its origin in the Nanpu Sag,Bohai Bay Basin [J].Oil & Gas Geology Oil Gas Geol,2018,39(4):664-675.
[18] 赵梓瑜.F油田密井网试井理论及平均地层压力计算方法研究[D].大庆:东北石油大学,2018.ZHAO Ziyu.Well test theory and the average formation pressure calculation method of dense well pattern in F Oilfield [D].Daqing:Northeast Petroleum University,2018.
[19] 姜喆.分层测压工艺技术及资料应用探讨[J].化学工程与装备,2018(4):38-40.JIANG Zhe.Separate pressure measurement technology and data application discussion [J].Chemical Engineering & Equipment,2018(4):38-40.
[20] 陈红伟,冯其红,张先敏,等.多层非均质油藏注水开发指标预测方法[J].断块油气田,2018,25(4):473-476.CHEN Hongwei,FENG Qihong,ZHANG Xianmin,et al.Prediction method of waterflooding development indexes for multi-layer heterogeneous reservoir [J].Fault-Block Oil & Gas Field,2018,25(4):473-476.
[21] 孙达.油气井压力恢复试井解释关键技术[J].油气井测试,2018,27(6):73-77.SUN Da.Key technologies for oil and gas well pressure buildup test interpretation [J].Well Testing,2018,27(6):73-77.