25 July 2017
A break in the earth’s crust along which rocks on one side have been displaced (upward, downward, or laterally), relative to those on the other side.
25 July 2017
The act of unwinding a cable from a drum. Also a device on a drilling rig that keeps the weight on the bit constant, and lowers […]
18 July 2017
1) a geographical area in which a number of oil or gas wells produce from a continuous reservoir. A field may refer to surface area only […]
18 July 2017
To pump drilling fluid into the wellbore while the pipe is being withdrawn to ensure that the wellbore remains full of fluid even though the pipe […]