本征值相干技术在喇南中东一区东萨一组构造解释的应用
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摘要
为了更好解决开发区块断层展布问题,在精细地震解释中引入了相干体技术。通过相干体初步分析断裂交切关系,然后在面与体上进行手工解释闭合,建立断裂空间格架。介绍了本征值相干体技术在喇南中东一区的应用,利用沿层相干体分析相邻近地震道的相干性,进而辅助断裂解释。新认识的断层主要在走向、延伸长度、组合、分解和核销5个方面发生变化。通过实际应用可以得出,相干体技术是一种更有效识别断层解释的方法,可以提高构造解释精度,这对日后油田注采开发具有一定的指导意义。
The coherence cube technique is applied to fine seismic interpretation in order to resolve the problems of distribution pattern of faults in development blocks.With the coherency cube,preliminary analyzing on the relationships of fault intersected with each other,then fault closure is achieved by interpreting by hand on the surface and body and fault framework is build.It mainly elaborates that the application of the eigen value coherence cube technique carried out in No.1 block of middle east of Lanan Daqing area,with the coherence cube along horizon,to analysis coherent properties of adjacent seismic trace aiming at the fault interpretation and five changes have been summarized among newly recognized faults,such as strike,trace lengths,combinations,segmentations and cancellations after verification of faults.By application of the coherence cube technique to field data,it can be seen that the coherence cube technique is a kind of method of more effectively identification fault,and the tectonic interpretation precision is greatly improved,so as to have the direction significance for injection-production development of oil field.
The coherence cube technique is applied to fine seismic interpretation in order to resolve the problems of distribution pattern of faults in development blocks.With the coherency cube,preliminary analyzing on the relationships of fault intersected with each other,then fault closure is achieved by interpreting by hand on the surface and body and fault framework is build.It mainly elaborates that the application of the eigen value coherence cube technique carried out in No.1 block of middle east of Lanan Daqing area,with the coherence cube along horizon,to analysis coherent properties of adjacent seismic trace aiming at the fault interpretation and five changes have been summarized among newly recognized faults,such as strike,trace lengths,combinations,segmentations and cancellations after verification of faults.By application of the coherence cube technique to field data,it can be seen that the coherence cube technique is a kind of method of more effectively identification fault,and the tectonic interpretation precision is greatly improved,so as to have the direction significance for injection-production development of oil field.
引文
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11张海燕,陈树民.本征值相干体技术在松辽盆地北部精细地质研究中的应用.大庆石油地质与开发,2008;27(2):140—142.
2苑书金.地震相干体技术的研究综述.勘探地球物理进展,2007;30(1):7—15
3张军华,王永刚,赵勇,等.相干体技术算法改进及其在TJH地区的应用.物探与化探,2002;26(1):50—52
4边树涛,董艳蕾,苏晓军.地震相干体技术识别低序级断层方法研究.世界地质,2007;26(3):368—374
5黄伏生,李占东,卢双舫,等.宽频带重构反演在喇嘛甸油田北东一区萨尔图油层的应用.科学技术与工程,2010:8682—8686
6龚洪林,许多年,蔡刚.高分辨率相干体分析技术及其应用.勘探技术,2008;(5):45—49
7王从镔,龚洪林,许多年,等.高分辨率相干体分析技术及其应用.地球物理学进展,2008;23(5):1575—1578
8靳玲,张本书,苏桂芝,等.相干体参数的实验选取.断块油气田,2005;12(2):24—27
9刘杰,杨振团,帅庆伟.河道预测中的地震相干体技术.长江大学学报(自然科学版),2010;7(2):195—197
10吴永平,王超.三维相干体技术在三维精细构造解释中的应用.断块油气田,2008;15(2):27—29
11张海燕,陈树民.本征值相干体技术在松辽盆地北部精细地质研究中的应用.大庆石油地质与开发,2008;27(2):140—142.
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