南二、三区西块低压区块治理研究
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摘要
南二、三区西块面积井网1964年投产,1990年进行了一次加密调整,2000年进行了二次加密调整。区块加密调整后,增加了可采储量,薄差油层的动用状况得到改善,取得了较好的油田开发效果。随着开采时间的延长,近些年来尽管通过注采系统调整及注水综合调整等手段恢复地层压力,但目前区块地层压力水平仍然比较低,是萨南油田主要的低压区块。针对区块地层压力较低的实际情况,为合理恢复地层压力,改善区块开发效果,在南二、三区西块面积井网开辟一个低压区块综合治理试验区,通过精细地质解剖,分析落实区块低压成因和存在问题,结合区块开发实际,开展南二、三区西块低压区块综合治理。
通过精细地质解剖,分析落实区块低压成因,综合评价注采适应性以及地层压力系统,通过油水井补孔、井网综合利用及注水方案调整等综合手段来恢复地层压力,探索区块合理注采比与地层压力恢复速度,以达到改善区块开发效果的目的。
South two or three block area, West production well network in 1964, 1990, conducted an infilling, in 2000 a secondary infilling. Block cipher adjustments, an increase of recoverable reserves, the use of thin and poor reservoir conditions improved, oil field development has achieved good results. With the exploitation of time, in recent years despite the adoption of adjustment and water injection systems integrated adjustment means to restore reservoir pressure, but the level of block is still relatively low formation pressure is low Sanan major oil block. Formation pressure for the lower block the actual situation in a reasonable recovery for the formation pressure, improve the effect of block development in the South two or three block area, West to open a low-voltage block Well comprehensive test area, dissected by fine geological analysis implementation of the block causes and problems of low pressure, combined with block development of practical, South-II, III Block, West Block comprehensive low.
Through detailed geologic anatomy, causes of the implementation of low-voltage block, adaptation and evaluation of formation pressure injection system, make holes through the oil wells, water injection well network utilization and comprehensive means of adjustment programs to restore the formation pressure, and explore reasonable injection block mining recovery rate than the formation pressure and to achieve the purpose of improving the effect of block development.
通过精细地质解剖,分析落实区块低压成因,综合评价注采适应性以及地层压力系统,通过油水井补孔、井网综合利用及注水方案调整等综合手段来恢复地层压力,探索区块合理注采比与地层压力恢复速度,以达到改善区块开发效果的目的。
South two or three block area, West production well network in 1964, 1990, conducted an infilling, in 2000 a secondary infilling. Block cipher adjustments, an increase of recoverable reserves, the use of thin and poor reservoir conditions improved, oil field development has achieved good results. With the exploitation of time, in recent years despite the adoption of adjustment and water injection systems integrated adjustment means to restore reservoir pressure, but the level of block is still relatively low formation pressure is low Sanan major oil block. Formation pressure for the lower block the actual situation in a reasonable recovery for the formation pressure, improve the effect of block development in the South two or three block area, West to open a low-voltage block Well comprehensive test area, dissected by fine geological analysis implementation of the block causes and problems of low pressure, combined with block development of practical, South-II, III Block, West Block comprehensive low.
Through detailed geologic anatomy, causes of the implementation of low-voltage block, adaptation and evaluation of formation pressure injection system, make holes through the oil wells, water injection well network utilization and comprehensive means of adjustment programs to restore the formation pressure, and explore reasonable injection block mining recovery rate than the formation pressure and to achieve the purpose of improving the effect of block development.
引文
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[23]王玉琢,张振杰,曹宝良.精细化学调剖技术在油田调整挖潜中的应用.大庆石油地质与开发, 2002,21(1):43-45.
[24]汪伟英,王尤富,王孝忠等.流体性质对出砂的影响及控制[J].特种油气藏,2003,l0(5),116
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[26]宋考平,王立军,何鲜.单层剩余油分布及动态指标预测动态劈分法[J].石油学报,2000,21(2): 122-127.
[27]吴家文,宋考平,王一民.注水井单层累积注水倍数的计算方法[J].大庆石油学院学报,2005,29(2): 28-30.
[28]宋考平,杨秋荣,付青春.模糊综合评判方法判断低效循环井层[J].钻采工艺,2006,29(4):35-37.
[29]冯其红,陈月明,姜汉桥.模糊数学在区块整体调剖选井中的应用.石油勘探与开发,1998,25(3): 76-78.
[30]王利美,张国萍,胡艳霞.井间示踪剂大孔道识别及剩余油饱和度分布技术[J].断块油气田,2003,6, 10(4):72-73.
[2]吴素英.长期注水冲刷储层参数变化规律及对开发效果的影响[J].大庆石油地质与开发2006,25(4):35-37.
[3]冯其红,陈月明,姜汉桥.模糊数学在区块整体调剖选井中的应用.石油勘探与开发,1998,25(3): 76-78.
[4]宁廷伟,王成龙.封堵大孔道技术的发展[J].钻采工艺.1993,16(4).
[5]郭莉.高孔高渗砂岩油藏注水后储集层结构变化规律研究—以大港油田港东开发区为例,大港油藏开发后期挖潜技术研究—大港油田开发优秀论文选编[A].石油工业出版社,2000.
[6]宋万超,孙焕泉,孙国等.油藏开发流体动力地质作用一一以胜沱油田二区为例[J].石油学报,2002,23(3):52-55.
[7]徐守余,李红南.储集层孔喉网络场演化规律和剩余油分布[J].石油学报,24 (4),2003:48-53.
[8]姜继水,宋吉水等.提高石油采收率技术[M].石油工业出版社,1999,8.
[9]姜汉桥,刘奋,洪光明等.用概率模型方法确定卞东油田高渗通道地质参数的研究[J].石油勘探与开发,1997,24(1).
[10]胡书勇.疏松砂岩油藏大孔道形成及其调堵的随机模拟[D].西南石油大学博士研究生学位论文,2006,35-37.
[11] Paola Albonico,Martin Bartosek,and T.P. Lockhart et al. New Polymer Gels for Reducing Water Production in High-Temperature Reservoirs.SPE/DOE:27609,1994.
[12] Clampitt, R.L.,Al-Rikabi, H.M., Dabbous,M.K. A Hostile Environment Gelled Polymer System for Well Treatment and Profile Control,SPE25629,1993.
[13]黄伏生,陈维佳,方亮.喇嘛甸油田注采无效循环治理的做法和效果[J].大庆石油地质与开发,2006,25(1):70-72.
[14]史有刚,曾庆辉,周晓俊..大孔道试井理论解释模型[J].石油钻采工艺,2003,25(3):48-50.
[15]兰丽凤.油井经济极限产量和含水的一种确定方法[J].大庆石油地质与开发,2002,22(5):40-41.
[16]韩镇石,具海啸,刘刚.应用测井资料识别喇嘛甸油田大孔道[J].大庆石油地质与开发,2006, 25(4): 72-74.
[17]洪金秀,胥伟,徐国萍.河流-三角洲沉积储层大孔道形成机理及DLS测井曲线识别方法[J].大庆石油地质与开发,2006,25(4):51-53.
[18] ydansk,Robert D.,and Moore,Phillip E.,Gel conformance treatments increase oil production in Wyoming,Oil&Gas Journal,January 20,1992.
[19]刘月山,孙保利,于永生.大孔道模糊识别和定量计算方法[J].石油钻采工艺,2003,25(5):54-59.
[20]曾流芳,陈柏平,王学忠.疏松砂岩油藏大孔道定量描述初步研究[J].油气地质与采收率,2002,9(4).
[21] N.Morita and D.L.Whitfill. Parametric Study of Sand Production Prediction. Numerical Approach . SPE 16990.
[22] Tsang,Y.W..’The effect 0f tortuosity 0n fluid flaw through a sing].e fracture,’WateI.R.R.,1984,20(9).
[23]王玉琢,张振杰,曹宝良.精细化学调剖技术在油田调整挖潜中的应用.大庆石油地质与开发, 2002,21(1):43-45.
[24]汪伟英,王尤富,王孝忠等.流体性质对出砂的影响及控制[J].特种油气藏,2003,l0(5),116
[25]田根林,郑德温,于大森.阴、阳离子聚合物地层内凝胶化改善水驱效果的研究[J].油田化学,1994,11(1).
[26]宋考平,王立军,何鲜.单层剩余油分布及动态指标预测动态劈分法[J].石油学报,2000,21(2): 122-127.
[27]吴家文,宋考平,王一民.注水井单层累积注水倍数的计算方法[J].大庆石油学院学报,2005,29(2): 28-30.
[28]宋考平,杨秋荣,付青春.模糊综合评判方法判断低效循环井层[J].钻采工艺,2006,29(4):35-37.
[29]冯其红,陈月明,姜汉桥.模糊数学在区块整体调剖选井中的应用.石油勘探与开发,1998,25(3): 76-78.
[30]王利美,张国萍,胡艳霞.井间示踪剂大孔道识别及剩余油饱和度分布技术[J].断块油气田,2003,6, 10(4):72-73.
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