The paper analyses deeply on the lateral fault seal by clay smear on the basis of the precensors studies.
在前人研究的基础上，对粘土涂抹作用造成的断层侧向封闭性进行了深入分析。
The method of studying the vertical gas-seal ability of fault at motionless stage was established by contrasting the shale content with its cutoff.
通过断裂带泥质含量与断裂带封闭天然气所需泥质含量下限值的比较，建立了一种静止时期断层垂向封气性的研究方法。
The evaluation results tally with the actual geological conditions, which indicates that it is feasible to evaluate the vertical seal of the fault fissures by use of these methods.
并将其应用于松辽盆地北部升平—汪家屯气藏营城组内断裂缝垂向封闭性的评价中，评价结果符合实际地质条件，表明该方法用于断裂缝垂向封闭性评价是可行的。
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