Unstable formation was often met in drilling engineering.
工程施工钻孔中，经常遇到不稳定地层。
Fines migration may result from an unconsolidated or inherently unstable formation, or from use of an incompatible treatment fluid that liberates fine particles.
细粒运移可由非胶结的或固有不稳定的地层所引起，或者由使用可释放细小颗粒的不配伍处理液所造成。
This might lead to the formation of hydrates, which could be unstable if disturbed, and it might also lead to a lake of CO2 on the ocean floor which would be acidic at the margins.
这可能导致水合物的形成，如果水合物被搅动，它也是不稳定的，而且它也可能在海底产生大量的CO2，使边缘部分呈酸性。
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