25 July 2017
The shift of duty on a drilling rig that starts in the afternoon and runs through the evening. Sometimes called afternoon tour. Compare daylight tour, graveyard […]
18 July 2017
A well drilled to permit more effective extraction of oil from a reservoir. Sometimes called a development well.
18 July 2017
A well drilled either in search of an as yet undiscovered pool of oil or gas (a wildcat well) or to extend greatly the limits of […]
18 July 2017
When explosives are used to fracture a formation. At the moment of detonation, the explosion furnishes a source of high-pressure gas to force fluid into the […]