- Industry: Education; Oil & gas
- Number of terms: 4495
- Number of blossaries: 0
- Company Profile:
The Petroleum Extension Service (PETEX) is a unit of the Division of Continuing Education at The University of Texas at Austin and has been training companies and individuals since 1944.
The pressure at which a formation will break down, or fracture.
Industry:Oil & gas
Any of various power units, such as a hydraulic, internal combustion, air, or electric device, that develops energy or imparts motion. Compare engine.
Industry:Oil & gas
A small building, or doghouse, in which members of a drilling rig or roustabout crew change clothes, store personal belongings, and so on.
Industry:Oil & gas
A fluid, such as water, oil, or acid, used in hydraulic fracturing. The fluid carries propping agents that hold open the formation cracks after hydraulic pressure dissipates. See acid fracturing, hydraulic fracturing, propping agents.
Industry:Oil & gas
The crew member on a rotary drilling rig, who is responsible for the care and operation of drilling engines. Also called motorman.
Industry:Oil & gas
Back-and-forth or up-and-down movement, such as that of a piston in a cylinder.
Industry:Oil & gas
A device run on wireline into the wellbore and inside the fishing string and fish to locate the area where a fish is stuck. When the drill string is pulled and turned, the electromagnetic fields of free pipe and stuck pipe differ. The free-point indicator is able to distinguish these differences, which are registered on a metering device at the surface.
Industry:Oil & gas
A pump consisting of a piston that moves back and forth or up and down in a cylinder. The cylinder is equipped with inlet (suction) and outlet (discharge) valves. On the intake stroke, the suction valves are opened, and fluid is drawn into the cylinder. On the discharge stroke, the suction valves close, the discharge valves open, and fluid is forced out of the cylinder.
Industry:Oil & gas
A rig mounted on a wheeled and towed trailer. It has a mast, a rotary, and one or two engines.
Industry:Oil & gas
Shallow bores under the rig floor, usually lined with pipe, in which joints of drill pipe are temporarily suspended for later connexion to the drill string.
Industry:Oil & gas
