American Petroleum Institute (API)
18 July 2017Angle of deflection
18 July 2017Anchor deadline
Means of holding the deadline to the derrick or substructure. Usually this is the primary element of the weight indicator.
American Petroleum Institute (API)
18 July 2017Angle of deflection
18 July 2017American Petroleum Institute (API)
18 July 2017Angle of deflection
18 July 2017Means of holding the deadline to the derrick or substructure. Usually this is the primary element of the weight indicator.