Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

P.E. Pilkington Conoco Inc. Houston Evaluating cement between two strings of casing can be a problem. The signal from the outer string of casing can interfere with amplitude measurement if the inner ...

New equations for calculating the collapse strength of worn casing can aid future casing string design. During any drilling, it is inevitable that drill pipe rotation and tripping will cause casing ...