目前库车坳陷天然气的资源探明率仅为17.5%，还处于勘探的初期阶段，可见天然气资源潜力很大。

At present, the approved resources rate in the Depression is only 17.5%, thus, the depression is also in the beginning of exploration and with big potential.

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双方的协议还规定，初期的勘探期还可以再延续两个阶段，每个阶段各为两年。

The agreement enables this initial exploration period to be extended by two subsequent periods, each of two years.

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目前，在井资料十分有限的勘探初期，利用地震资料难以预测渗透率。

At present, it is hardly possible to apply seismic data to predict permeability in the early period of exploration when the well is not enough for founding the statistical relationship.

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