Blar i NTNU Open på forfatter "Islam, Md. Aminul"
-
Modeling and Prediction of Borehole Collapse Pressure during Underbalanced Drilling in Shale
Islam, Md. Aminul (Doktoravhandlinger ved NTNU, 1503-8181; 2011:39, Doctoral thesis, 2011)Drilling with a bottomhole pressure less than the formation pore pressure (underbalanced) will usually increase the risk of borehole collapse due to yielding or failure of the rock adjacent to the borehole. Understanding ...