It has proved that this novel system is of good effect for shallow gas zone in well-cementing and gas breakthrough has been effectively controlled.
现场初步试验证明，该套水泥浆体系对于浅层气固井具有较好的效果，有效地控制了气窜现象的发生。
It has proved that this novel system is of good effect for shallow gas zone in well-cementing and gas breakthrough has been effectively controlled.
现场初步试验证明，该套水泥浆体系对于浅层气固井具有较好的效果，有效地控制了气窜现象的发生。
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