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地震技术在火成岩发育区开发中的应用
石油物探
2002年 41卷 第No. 4期
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Title
Application of seismicmethods in the development of igneous rock reservoirs
单位
江苏石油勘探局地质科学研究院, 江苏扬州225009
Organization
Geological Institute of Jiangsu Petroleum Exploration Bureau, Yangzhou 225009, China
摘要
根据GY凹陷北斜坡SN油田火成岩发育的特点,围绕火成岩干扰对构造解释的影响问题,应用层位标定、地震属性描述、模型正演及测井约束反演等地震技术,对构造区火成岩地震属性特征和分布规律进行了深入研究,极大地消除了火成岩干扰对构造解释的影响,取得了较好开发效果。
Abstract
According to the characteristics of igneous rocks in the north slope of GY sag, SN oilfield, the author studied seismic signatures of the igneous rocks and their variability with seismicmethods with the emphasis on impact of the igneous rocks to seismic interpretation. Themethods used in the study include horizon calibration, seismic attribute description, forwardmodeling, and log constrained inversion. The impact of the igneous rocks to seismic structural interpretation was greatly reduced, which yields satisfactory development effects.
关键词：
地震技术;
火成岩;
测井约束反演;
模型正演;
地震属性;
Keywords:
seismic technique;
igneous rock;
log-constrained inversion;
forwardmodeling;
seismic attribute;
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