马厂地区复杂断块精细刻画与描述
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摘要
马厂地区具有东濮凹陷典型的复杂断块群构造组合特征,其断块更小、更碎。极复杂的构造背景导致该区断块难以落实,因构造内部细节刻画不清使开发井网完善困难,这制约了该区深入勘探开发的进程。为了解决上述问题,利用高精度三维地震资料在马厂地区开展了复杂断块精细刻画和描述的研究,探索了复杂断块精细解释的工作思路,通过整体解剖精细评价,形成了一套多元层位标定、多体构造解释、多属性地层追踪的复杂断块精细刻画与描述的技术方法。利用该技术在马厂高精度三维地震资料解释中,不仅理清了该地区的断裂空间展布,而且精细刻画了该区复杂构造带的小断块结构,为油气藏勘探与开发提供了准确的构造解释成果,为类似地区开展复杂断块精细刻画与描述提供了技术借鉴。
Machang area has the typical characteristics of complex fault block groups of Dongpu sag,and the blocks are smaller and more broken.A very complicated tectonic background leads to the difficulties of recognizing fault blocks.Due to the unclear internal details of structural characterization,to improve the well network gets difficult,as a result,in-depth exploration and development in the area are restricted.In order to solve these problems,highprecision 3D seismic data are used to carry out the research on meticulous depiction and description and explore the working thoughts to explain complex fault blocks in the area.So a set of horizon demarcation with "multivariate" techniques,tectonic interpretation with "multi-body" techniques,and horizon tracing by amplitude attribute data are summarized.For the use of the technology in Machang high-precision 3D seismic data interpretation,the region's fault spatial distribution and the fine characterization of the complex structures in the area are clarified,which provides accurate results of structure interpretation and may be good technical reference for the launch of meticulous depiction and description of complex fault blocks in similar areas.
Machang area has the typical characteristics of complex fault block groups of Dongpu sag,and the blocks are smaller and more broken.A very complicated tectonic background leads to the difficulties of recognizing fault blocks.Due to the unclear internal details of structural characterization,to improve the well network gets difficult,as a result,in-depth exploration and development in the area are restricted.In order to solve these problems,highprecision 3D seismic data are used to carry out the research on meticulous depiction and description and explore the working thoughts to explain complex fault blocks in the area.So a set of horizon demarcation with "multivariate" techniques,tectonic interpretation with "multi-body" techniques,and horizon tracing by amplitude attribute data are summarized.For the use of the technology in Machang high-precision 3D seismic data interpretation,the region's fault spatial distribution and the fine characterization of the complex structures in the area are clarified,which provides accurate results of structure interpretation and may be good technical reference for the launch of meticulous depiction and description of complex fault blocks in similar areas.
引文
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