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Issue:
Calculation Method of Caprocks Breakthrough Pressure and Its Application
Author(s):
SUN Lidan
,
CHANG Guizuo
,
YAN Shuzuo
Pages:
296
-
298,318
Year:
2004
Issue:
4
Journal:
WELL LOGGING TECHNOLOGY
Keyword:
盖层
;
突破压力
;
毛细管压力
;
地层应力
;
渗漏
;
Abstract:
简要介绍了盖层突破压力的计算方法及盖层的评价方法.以实验数据为依据,建立了盖层突破压力与泥浆总孔隙度的关系.利用力学特性计算出相应的岩石力学参数、地层应力参数,并建立了地层应力状态下计算毛细管压力的力学模型,使计算结果更接近于地下实际情况.通过对LN、GD等几个地区10几口井盖层突破压力的计算,评价了各盖层的质量,对地质家及测井解释人员分析油气聚集及运移提供了帮助.
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