Effect of shale hydration on wellbore stability in gas drilling;
泥页岩水化对气体钻井井壁稳定性影响规律研究
The problem of shale hydration plays a very important role in the study on shale stability, which is the true reason of shale instability.
泥页岩水化问题在研究井壁稳定过程中扮演着极其重要的角色，是绝大数井壁失稳的真正原因。