The exploration of shale gas reservoir is very difficult, but the creative potential of the technique is also very big.
页岩气藏勘探技术属于世界级难题，技术创新潜力也很大。
It is possible to find industrial oil and gas flow so long as a group of well-developed fractures are found in a favourable region of a fractured shale reservoir.
在泥岩油气藏的有利地区，找到较发育的裂缝群，就有希望找到工业性油气流。
Coal gas reservoir has different physical properties from sand and shale stone formation, it is difficult for conventional test to get formation parameters.
煤气储层具有与砂泥岩地层不同的储层物性，常规测试很难获取地层参数。
Applying the stimulation with fracturing for sand shale in Daqing volcanic gas reservoir, the success rate of operation is only 36 percent. The result of the stimulation is bad.
火山岩气藏应用砂泥岩压裂技术进行增产改造，施工成功率只有36%，增产效果差。
Applying the stimulation with fracturing for sand shale in Daqing volcanic gas reservoir, the success rate of operation is only 36 percent. The result of the stimulation is bad.
火山岩气藏应用砂泥岩压裂技术进行增产改造，施工成功率只有36%，增产效果差。
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