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作 者:高文君 郝巍 盛寒 魏利燕[3] 温灵祥 郑登桥 GAO Wenjun;HAO Wei;SHENG Han;WEI Liyan;WEN Lingxiang;ZHENG Dengqiao(Research Institute of Exploration and Development, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China;EnerTechDrilling & Production Co., CNOOC Energy Technology & Services Limited, Tianjin 300452, China;Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China)
机构地区:[1]中国石油吐哈油田分公司勘探开发研究院,新疆哈密839009 [2]中海油能源发展股份有限公司工程技术分公司,天津300452 [3]中国石油新疆油田分公司勘探开发研究院,新疆克拉玛依834000
出 处:《新疆石油地质》2017年第3期314-318,共5页Xinjiang Petroleum Geology
基 金:中国石油科技重大专项(2017E-04-07)
摘 要:在渗流理论方程的基础上,引入艾富罗斯实验结果,并结合Willhite,Chierici等人提出的油相相渗关系式,导出了双曲递减、指数递减、调和递减方程及其对应水相相渗关系式。研究结果表明,油、水两相相渗关系式共同决定着水驱油田产量递减方程;以往的产量递减方程渗流理论研究中,油相相渗关系式不是以出口端含水饱和度为自变量的行业标准相渗关系式,而是以平均含水饱和度为自变量的拟相渗关系式。通过吐哈鄯善油田三间房组油藏、吉林红岗油田萨尔图组油藏、大港马西油田沙一下段油藏的应用,实际产量与油水两相相渗关系式分别确定的递减方程基本一致,值得其他油田在递减规律研究中借鉴。Based on the equation of percolation theory and introduction ofЭфрос’s experimental results,and combined with oil?phase relative permeability formula proposed by Willhite and Chierici,hyperbolic,exponential and harmonic decline equations and the corresponding water?phase relative permeability formula are derived.The study results show that oil?water two?phase relative permeability relationships jointly determine the production decline equations in waterflooding oilfields;in the previous studies on the percolation theory of production decline equation,the oil?phase relative permeability formula was not the industrial standard relative permeability formula which should take the outlet water saturation as an independent variable,but a pseudo relative permeability formula taking the average water saturation as an independent variable.Finally,the actual applications of the new relative permeability formulas in Sanjianfang formation in Shanshan oilfield of Tuha basin,Sartu formation in Honggang oilfield of Jinlin oilfield and the lower section of E3s1in Maxi oilfield of Dagang oilfield show that the actual production is basically the same as the results obtained from oil and gas relative permeability formulas,which could be a reference for the study on production declines in other oilfields.
关 键 词:Arps递减 渗流方程 油水相渗 理论 完善 水驱油田
分 类 号:TE341[石油与天然气工程—油气田开发工程]
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