THE RESEARCH ON THE ABNORMAL PRESSURE AND RESERVOIR FORMING RULES IN LIJIN DEPRESSION

Xinjiang Oil & Gas ›› 2005, Vol. 1 ›› Issue (2): 16-18.

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THE RESEARCH ON THE ABNORMAL PRESSURE AND RESERVOIR FORMING RULES IN LIJIN DEPRESSION

Online:2005-06-10 Published:2005-06-10

利津洼陷异常高压带及其内部成藏规律研究

陈利

中国石化胜利油田有限公司地质科学研究院,山东,东营,257015

Abstract

摘要： 利津洼陷下第三系普遍发育异常高压,对油气成藏具有重要意义.本文利用声波测井资料,运用等效深度法对利津洼陷下第三系的地层压力进行了研究,并探讨了异常高压形成机制.异常高压带纵向上发育在沙三上下部-沙四上,平面上沿洼陷长轴分布在洼陷中心,向洼陷边缘压力变小,靠近断层压力降低.控制异常高压形成的因素主要有欠压实作用、黏土矿物脱水、烃类生成及水热增压.异常高压带内剩余压力低值区油气富集,发育多种油藏类型.剩余压力低值区为下步勘探方向.

关键词: 利津洼陷, 下第三系, 异常高压, 声波测井

CLC Number:

TE122.1

陈利. 利津洼陷异常高压带及其内部成藏规律研究[J]. 新疆石油天然气, 2005, 1(2): 16-18.

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THE RESEARCH ON THE ABNORMAL PRESSURE AND RESERVOIR FORMING RULES IN LIJIN DEPRESSION

利津洼陷异常高压带及其内部成藏规律研究

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