基于水驱开发全过程的新型水驱特征曲线
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摘要
注水开发油藏高含水期,油水相对渗透率之比与含水饱和度不再为线性关系,导致传统的水驱特征曲线不再适用。针对上述问题,基于Willhite相对渗透率曲线表征公式,提出了适应于水驱开发全过程的油水相对渗透率比值与含水饱和度的关系式,结合油藏工程方法,得到新型水驱特征曲线。将新型水驱特征曲线应用于江苏油田高6断块,综合含水率为92%时,新型水驱特征曲线的预测误差为1. 24%,比常规乙型水驱特征曲线的拟合效果更好,预测误差更小。该研究成果对水驱油藏高含水期开发调整具有重要意义。
The oil-water relative permeability ratio no longer linearly correlates with water saturation in the high watercut stage of waterflooding development,which leads to certain limitations to the traditional waterflooding characteristic curve application. According to the Willhite relative permeability equation,a correlation between the oilwater relative permeability ratio and water saturation was proposed for the whole waterflooding process. A new waterflooding characteristic curve was gained by combining with the conventional reservoir engineering method. This new waterflooding characteristic curve was applied to the Faultblock Gao6 in Jiangsu Oilfield. The relative forecast error is only 1. 24% when the comprehensive watercut is 92%,which is more effective and accuracy than that of traditional B waterflooding characteristic curve. This research could provide certain significance for the development and adjustment of waterflooding reservoir in high watercut stage.
The oil-water relative permeability ratio no longer linearly correlates with water saturation in the high watercut stage of waterflooding development,which leads to certain limitations to the traditional waterflooding characteristic curve application. According to the Willhite relative permeability equation,a correlation between the oilwater relative permeability ratio and water saturation was proposed for the whole waterflooding process. A new waterflooding characteristic curve was gained by combining with the conventional reservoir engineering method. This new waterflooding characteristic curve was applied to the Faultblock Gao6 in Jiangsu Oilfield. The relative forecast error is only 1. 24% when the comprehensive watercut is 92%,which is more effective and accuracy than that of traditional B waterflooding characteristic curve. This research could provide certain significance for the development and adjustment of waterflooding reservoir in high watercut stage.
引文
[1]陈元千.水驱曲线法的分类、对比和评价[J].新疆石油地质,1994,15(4):348-356.
[2]陈元千.油藏工程实用方法[M].北京:石油工业出版社,2002:197-220.
[3]陈元千.水驱曲线关系式的推导[J].石油学报,1985,6(2):69-78.
[4]崔传智,徐建鹏,王端平,等.特高含水阶段新型水驱特征曲线[J].石油学报,2015,36(10):120-127.
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[6]李珂,杨莉,张迎春,等.一种新型水驱特征曲线的推导及应用[J].断块油气田,2016,23(6):797-799.
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[19]陈元千.一个新型水驱曲线关系式的推导及应用[J].石油学报,1993,14(2):65-73.
[20]范海军,朱学谦.高含水期油田新型水驱特征曲线的推导及应用[J].断块油气田,2016,23(1):105-108.
[21]王继强,岳圣杰,朱孟高,等.计算油田特高含水期相渗曲线新方法[J].石油化工应用,2017,36(8):62-64,88.
[22]王继强,石成方,纪淑红,等.特高含水期新型水驱特征曲线[J].石油勘探与开发,2017,44(6):955-960.
[23]邓森,王怒涛,孟令强,等.高含水期两种新型水驱特征曲线的建立与应用[J].大庆石油地质与开发,2017,36(4):58-63.
[24]李爱芬,张志英,崔传智,等.油层物理学[M].东营:中国石油大学出版社,2011:290-301.
[25]姚军,谷建伟,吕爱民.油藏工程原理与方法[M].东营:中国石油大学出版社,2016:230-236.
[26]高文君,徐君.常用水驱特征曲线理论研究[J].石油学报,2007,28(3):89-92.
[27]常兆光,王清河,杜彩霞.应用统计方法[M].北京:石油工业出版社,2009:107-112.
[28]田丰,杜晓康,王晓冬,等.丙型水驱曲线直线段出现时间的预测方法[J].大庆石油地质与开发,2018,37(3):54-58.
[29]隆锋.低渗透裂缝型油田周期注水参数优化[J].大庆石油地质与开发,2017,36(5):114-118.
[30]周锡生,张海霞,张福玲,等.三低油藏水驱精细挖潜技术[J].大庆石油地质与开发,2018,37(4):44-49.
[31]陈军斌,李汤玉.周期注水数值模拟研究-数学模型[J].西安石油学院学报(自然科学版),1999,14(3):6-9.
[2]陈元千.油藏工程实用方法[M].北京:石油工业出版社,2002:197-220.
[3]陈元千.水驱曲线关系式的推导[J].石油学报,1985,6(2):69-78.
[4]崔传智,徐建鹏,王端平,等.特高含水阶段新型水驱特征曲线[J].石油学报,2015,36(10):120-127.
[5]侯建,王蓉蓉,夏志增,等.特高含水期甲型水驱特征曲线的改进[J].中国石油大学学报,2013,37(6):72-75.
[6]李珂,杨莉,张迎春,等.一种新型水驱特征曲线的推导及应用[J].断块油气田,2016,23(6):797-799.
[7]王小林,于立君,李治平,等.特高含水期新型水驱特征曲线[J].大庆石油地质与开发,2015,34(6):54-57.
[8]CAN B,KABIR C S.Simple tools for forecasting waterflood performance[J].Journal of Petroleum Science and Engineering,2014,120(8):111-118.
[9]GODAH M,BEHRENBRUCH P,Maier H R.Alternative modelling approaches for the estimation of irreducible water saturation:Australian hydrocarbon basins[J].Journal of Petroleum Science and Engineering,2007,57(1):60-69.
[10]ROGHANIAN R,RASAEI M R,HAGHIGHI.Prediction ofkey points of water-oil relative permeability curves using the linear regression technique[J].Petroleum Science and Technology,2012,30(5):518-533.
[11]柳誉剑,王新海,杜志华,等.一种新型水驱特征曲线关系式的理论推导[J].中国科技论文,2014,9(6):734-738.
[12]徐永梅.水驱特征曲线的适用条件及应用[J].中国科技信息,2009,21(11):32-33.
[13]周维四.关于水驱特征曲线的讨论[J].油气采收率技术,1999,6(2):39-43.
[14]俞启泰.使用水驱特征曲线应重视的几个问题[J].新疆石油地质,2000,21(1):58-61.
[15]张金庆,孙福街.相渗曲线和水驱曲线与水驱储量的关系[J].新疆石油地质,2010,31(6):629-631.
[16]管错,李宜强,石成方,等.对特高含水期水驱特征曲线上翘问题的新认识[J].大庆石油地质与开发,2017,36(2):64-68.
[17]刘世华,谷建伟,杨仁锋.高含水期新型水驱特征曲线[J].辽宁工程技术大学学报(自然科学版),2011,30(增刊1):158-163.
[18]宋兆杰,李治平,赖枫鹏,等.高含水期水驱特征曲线关系式的理论推导[J].石油勘探与开发,2013,40(2):201-208.
[19]陈元千.一个新型水驱曲线关系式的推导及应用[J].石油学报,1993,14(2):65-73.
[20]范海军,朱学谦.高含水期油田新型水驱特征曲线的推导及应用[J].断块油气田,2016,23(1):105-108.
[21]王继强,岳圣杰,朱孟高,等.计算油田特高含水期相渗曲线新方法[J].石油化工应用,2017,36(8):62-64,88.
[22]王继强,石成方,纪淑红,等.特高含水期新型水驱特征曲线[J].石油勘探与开发,2017,44(6):955-960.
[23]邓森,王怒涛,孟令强,等.高含水期两种新型水驱特征曲线的建立与应用[J].大庆石油地质与开发,2017,36(4):58-63.
[24]李爱芬,张志英,崔传智,等.油层物理学[M].东营:中国石油大学出版社,2011:290-301.
[25]姚军,谷建伟,吕爱民.油藏工程原理与方法[M].东营:中国石油大学出版社,2016:230-236.
[26]高文君,徐君.常用水驱特征曲线理论研究[J].石油学报,2007,28(3):89-92.
[27]常兆光,王清河,杜彩霞.应用统计方法[M].北京:石油工业出版社,2009:107-112.
[28]田丰,杜晓康,王晓冬,等.丙型水驱曲线直线段出现时间的预测方法[J].大庆石油地质与开发,2018,37(3):54-58.
[29]隆锋.低渗透裂缝型油田周期注水参数优化[J].大庆石油地质与开发,2017,36(5):114-118.
[30]周锡生,张海霞,张福玲,等.三低油藏水驱精细挖潜技术[J].大庆石油地质与开发,2018,37(4):44-49.
[31]陈军斌,李汤玉.周期注水数值模拟研究-数学模型[J].西安石油学院学报(自然科学版),1999,14(3):6-9.
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