2010•Journal of Oil and Gas TechnologyRequires access

Synthetic Fuzzy Judgment of Fault Sealing in MQ Area

Sun Hao, Shangwu Fan, Jing Li

Abstract

By analyzing three kinds of strike faults of NNE,EW,NNW,in MQ area,the sealing in hydrocarbon accumulation was evaluated by using synthetic fuzzy judgment,the opening or sealing of faults in hydrocarbon accumulation were analyzed. Faults in NEE was poor in sealing,it was mainly lateral sealing; faults in NNW were different sealing properties at different geological stages. It reflects characters between opening and sealing; the EW fault presents the characteristics of sealing,and effectively confining oil and gas. In local district some hydrocarbon reservoir forming by EW fault matching with NNW fault. The analytical result is consistent with actual situations from exploration.

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Key concepts: Fault (geology), Petroleum engineering, Geology, Fuzzy logic, Hydrocarbon, Geotechnical engineering, Seismology, Computer science