...词 ： 钻井 低渗透油气藏 气体 欠平衡 保护 储集层 长庆气田 [gap=972]Keywords : Drilling, Low permeability pool, Gas, Underbalance, Sidewall stabilization, Protection, Reservoir ..
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There exist big differences in studied result with different test methods for dense reservoir rock in low permeability gas pool is sensitive to the stress.
致密低渗气藏开发过程中储集层存在应力敏感，不同的试验方法评价结果差异很大。
One of main damage factors in low-permeability sandstone oil pool is pressure sensitivity, degree of which is dependent on rocks features.
油藏采出流体后，地层压力下降，渗透率和油井产量都会有不同程度的降低，即出现所谓的应力敏感。
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