断层圈闭在油气勘探中是非常重要的构造，断层封闭机制业已成为近年来断层理论研究的新重点。
Fault trap is an important structure in the exploration of oil and gas. Fault trap mechanism has become a new highlight in the recent years in the study of fault theory.
在圈闭类型上，断层的广泛发育使沙一段油气藏以断层圈闭为主，良好的断层封闭性决定了油气藏的保存程度。
The widely-developed faults made the fault trap being dominant in the oil-gas reservoirs of the first member of Shahejie Formation. The fault closure decided the extent of hydrocarbon preservation.
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