18 July 2017
A formation or horizon of a well from which oil may be produced. The oil zone is usually immediately under the gas zone and on top […]
18 July 2017
The surface area overlying an oil reservoir or reservoirs. The term usually includes not only the surface area, but also the reservoir, the wells, and the […]
18 July 2017
1) any wellbore in which casing has not been set. 2) open or cased hole in which no drill pipe or tubing is suspended. 3) the […]
18 July 2017
The person or company, either proprietor or lessee, actually operating an oilwell or lease, generally the oil company by which the drilling contractor is engaged. Compare […]