塔河油田AT9井区三叠系阿四段滩坝砂储层预测
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摘要
塔河油田南部阿克亚苏地区三叠系阿克库勒组四段(阿四段)滨浅湖相滩坝砂储层厚度小、横向变化快,单个滩坝砂体识别的难度较大。以阿四段滩坝砂储层预则为目标,建立了一套以叠后地震资料提频处理技术、地震古地貌和属性分析技术、拟声波测井约束波阻抗反演技术和神经网络油气检测技术等为主的技术系列。利用这些技术对AT9井区三叠系阿四段滨浅湖相滩坝砂储层进行了有利区域预测,部署并钻探的滚动开发井中有两口井在阿四段滩坝砂储层中获得了工业油气流,取得了较好的应用效果。
Shore-shallow lake facies beach-bar sand reservoir at the 4th member of Triassic Akekule Formation in Tahe Oilfield has the characteristics of small thickness,fast lateral changes,and difficult in recognizing single beach-bar sandbody.Aiming at the reservoir prediction for the 4th member of Triassic Akekule Formation,we established a series of technologies,including frequency increasement processing of poststack seismic data,seismic palaeogeomorphology and attributes analysis,pseudo-acoustic log constraint wave impedance inversion and neural network hydrocarbon detection and so on.The technologies were applied to predict favorable targets for the 4th member of Triassic Akekule Formation in AT9 well area.In terms of the prediction result,four wells were deployed and drilled. Among the four wells,well AT9-2 and well AT9-3 both obtained commercial oil and gas flow in the 4th member of Triassic Akekule Formation. pseudo-acoustic inversion;seismic attribute,reservoir prediction
Shore-shallow lake facies beach-bar sand reservoir at the 4th member of Triassic Akekule Formation in Tahe Oilfield has the characteristics of small thickness,fast lateral changes,and difficult in recognizing single beach-bar sandbody.Aiming at the reservoir prediction for the 4th member of Triassic Akekule Formation,we established a series of technologies,including frequency increasement processing of poststack seismic data,seismic palaeogeomorphology and attributes analysis,pseudo-acoustic log constraint wave impedance inversion and neural network hydrocarbon detection and so on.The technologies were applied to predict favorable targets for the 4th member of Triassic Akekule Formation in AT9 well area.In terms of the prediction result,four wells were deployed and drilled. Among the four wells,well AT9-2 and well AT9-3 both obtained commercial oil and gas flow in the 4th member of Triassic Akekule Formation. pseudo-acoustic inversion;seismic attribute,reservoir prediction
引文
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[2]李庆忠.走向精确勘探的道路[M].北京:石油工业出版社,1994:1-8
[3]赵迎月,顾汉明,蔡成国.塔河油田三叠系砂岩储层地震正演响应特征[J].天然气工业,2008,28(6):52-55
[4]李家蓉.不同的反演方法在塔河油田奥陶系碳酸盐岩储层预测中的应用[G]//焦方正.塔河油气田开发研究文集.北京:石油工业出版社,2006:3
[5]刘百红.测井和地震资料宽带约束反演的应用[J].石油物探,2004,43(1):76-79
[6]徐明华.自然伽马反演在双家坝构造飞仙关组鲕滩储层预测中的应用[J].石油物探,2003,42(3): 346-349
[7]杨立强.测井约束地震反演综述[J].地球物理学进展,2003,18(3):530-534
[8]王延光.储层地震反演方法以及应用中的关键问题与对策[J].石油物探,2002,41(3):299-303
[9]崔炯成,吴媚,李维新,等.高分辨率非线性地震波阻抗反演方法和应用[J].石油物探,2007,46(1):1-12
[10]吕铁良,王永刚,谢万学,等.稀疏脉冲反演技术在井间地震反演中的应用[J].石油物探,2007,46(1):58-63
[11]张广智,刘洪,印兴耀.井旁道地震子波精细提取方法[J].石油地球物理勘探,2005,40(2):158-162
[12]凌云,葸晓宇,孙德胜,等.薄储层叠后反演影响因素分析与地震属性解释研究[J].石油物探,2008,47 (6):531-558
[13]谢月芳.平湖油气田放鹤亭构造平湖组储层精细反演[J].石油物探,2008,47(6):588-592
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