18 July 2017
The percentage of the bulk volume of a rock sample that is composed of interconnected pore spaces that allow the passage of fluid through the sample. […]
18 July 2017
A record of certain electrical characteristics (such as resistivity and conductivity) of formations traversed by the borehole. It is made to identify the formations, determine the […]
18 July 2017
A device mounted on the end of the drawworks shaft of a drilling rig. The electrodynamic brake (sometimes called a magnetic brake) serves as an auxiliary […]
18 July 2017
An internal combustion engine can, temporarily, develop at any speed a maximum usable horsepower; also, can temporarily, run at much higher speeds than economically feasible with […]
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 […]
18 July 2017
The end of the drilling line that is affixed to the drum or reel of the drawworks, so called because it travels with greater velocity than […]
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.
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
1) compacted solid or semisolid material remaining on a filter after pressure filtration of mud with a standard filter press. Thickness of the cake is reported […]
