应用地震数据体结构特征法预测油层分布规律
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摘要
塔河油田八区的主产层为碳酸盐岩裂缝-缝洞型储层,具有很强的非均质性,给储层的油气预测带来了一定的困难。应用传统的储层预测方法很难准确预测出油区内油藏的油水界面,从而很难弄清储层的分布、发育规律。针对塔河油田八区特殊的地质条件,采用了地震数据体结构特征法对该区奥陶系储层进行了油气预测,并对油区内、外的区域进行了有利区块的划分。在有利区块中设计的18口钻探井位,经钻井证实均获得了较高的油气产量,取得了很好的经济效益。
The main pay-bed of the eighth zone in Tahe Oilfield is a carbonate fracture and fissure-carven type reservoir with very strong inhomogeneity,there are some difficulties of the hydrocarbon prediction.It is difficult to accurately predict the oil-water interface and discover the distribution and growth laws of the reservoir using the traditional reservoir prediction methods.In accordance with the special geological conditions of the zone,the method of seismic data structure characteristic was applied to hydrocarbon prediction for the Ordovician reservoir,and the division of the favorable block to the area in the oil zone and outside was carried out.18 wells locations were designed in the favorable block and verified by the well drilling.These designed wells all have obtained high hydrocarbon production and good economic effect.
The main pay-bed of the eighth zone in Tahe Oilfield is a carbonate fracture and fissure-carven type reservoir with very strong inhomogeneity,there are some difficulties of the hydrocarbon prediction.It is difficult to accurately predict the oil-water interface and discover the distribution and growth laws of the reservoir using the traditional reservoir prediction methods.In accordance with the special geological conditions of the zone,the method of seismic data structure characteristic was applied to hydrocarbon prediction for the Ordovician reservoir,and the division of the favorable block to the area in the oil zone and outside was carried out.18 wells locations were designed in the favorable block and verified by the well drilling.These designed wells all have obtained high hydrocarbon production and good economic effect.
引文
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[3]刘雯林.油气田开发地震技术[M].北京:石油工业出版社,1996.
[4]WANG Shangxu,LINChangrong.The analysis of seismic data structure and oil and gas prediction[J].Applied Ge-ophysics,2004,1(2):75-82.
[5]LIN Changrong,WANG Shangxu,ZHANG Yong.Pre-dicting the distribution of reservoirs by applying the meth-od of seismic data structure characteristics:Example from the eighth zone in Tahe Oilfield[J].Applied Geophys-ics,2006,3(4):234-242.
[6]林昌荣,王尚旭,夏强.川东北地区飞仙关组地震反射特征及地震相分析[J].油气田地面工程,2007,26(4):10-12.LIN Chang-rong,WANG Shang-xu,XIA Qiang.Seismic reflection and seismic facies analysis of Feixianguan,northeast of Sichuan Province[J].Oil-Gasfield Surface Engineering,2007,26(4):10-12.
[7]林昌荣,王尚旭,张骥东.储层物性参数预测技术在大牛地气田开发中的应用[J]天然气工业,2007,27(sup B):44-47.LIN Chang-rong,WANG Shang-xu,ZHANG Ji-dong.The application of Reservoir prediction technique in DaNiudi gas field development[J].Natural Gas Industry,2007,27(sup B):44-47.
[8]STOCKWELL John W,K COHENJack.Seismic Unix地震数据处理系统——SU3.3处理操作系统指南[M].张绍红,林昌荣,译.北京:石油工业出版社,2007.
[9]邓聚龙.灰色系统基本方法[M].武汉:华中理工大学出版社,1987.
[10]邓聚龙.灰色预测与决策[M].武汉:华中理工大学出版社,1986.
[11]邓聚龙,刘思峰,徐忠祥.灰色系统研究新进展[M].武汉:华中理工大学出版社,1996.
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