18 July 2017
A high-compression, internal-combustion engine used extensively for powering drilling rigs.
18 July 2017
The power supplied to a drilling rig by diesel engines driving electric generators; used widely.
18 July 2017
Intentional deviation of a wellbore from the vertical. Although wellbores are normally drilled vertically, it is sometimes necessary or advantageous to drill at an angle from […]
18 July 2017
The first oil or gas well drilled in a new field that reveals the presence of a hydrocarbon-bearing reservoir. Subsequent wells are development wells. Compare development […]