RESEARCH OF PRESSURE GRADIENT FOR ABNORMAL HIGH PRESSURE RESERVOIRS

Xinjiang Oil & Gas ›› 2006, Vol. 2 ›› Issue (3): 51-54.

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RESEARCH OF PRESSURE GRADIENT FOR ABNORMAL HIGH PRESSURE RESERVOIRS

Online:2006-09-10 Published:2006-09-10

异常高压油藏油层内部压力梯度探讨

万文胜, 杜军社, 王国先

新疆油田公司准东采油厂勘探开发研究所,新疆,阜康,831511

Abstract

摘要： 在整理异常高压油藏压力与深度关系曲线时,常常发现要么压力点子分散,以为是压力解释不准确所至.要么成直线关系的点子回归出的油层内压力梯度值非常高,甚至会远远超过上覆岩层重量所造成的梯度.本文应用流体静力学原理讨论了油层层内压力梯度,从理论上得出,同一压力系统的油层层内压力梯度只与地层条件下的流体密度有关.利用压力梯度曲线可以判断油层的连通性.

关键词: 油气藏, 异常高压, 压力梯度

CLC Number:

TE311

万文胜, 杜军社, 王国先. 异常高压油藏油层内部压力梯度探讨[J]. 新疆石油天然气, 2006, 2(3): 51-54.

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RESEARCH OF PRESSURE GRADIENT FOR ABNORMAL HIGH PRESSURE RESERVOIRS

异常高压油藏油层内部压力梯度探讨

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