- 行业: 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 turning force that is applied to a shaft or other rotary mechanism to cause it to rotate or tend to do so. Torque is measured in foot-pounds, joules, newton-metres, and so forth.
Industry:Oil & gas
1. a portion of cement placed at some point in the wellbore to seal it. 2. a wiper plug. See cementing.
Industry:Oil & gas
A small, usually truck-mounted rig, the purpose of which is to drill ratholes for regular drilling rigs that will be moved in later. A rathole rig may also drill the top part of the hole, the conductor hole, before the main rig arrives on location.
Industry:Oil & gas
A tool set temporarily in the casing or well to prevent the passage of cement, thereby forcing it to follow another designated path. It is used in squeeze cementing and other remedial cementing jobs.
Industry:Oil & gas
The application of a liquid slurry of cement and water to various points inside or outside the casing.
Industry:Oil & gas
A downhole tool with rough, sharp, extremely hard cutting surfaces for removing metal, packers, cement, sand, or scale by grinding or cutting.
Industry:Oil & gas
A company whose specialty is preparing, transporting, and pumping cement into a well.
Industry:Oil & gas
An accessory attached to the top of the casing to facilitate cementing of the casing. It has passages for cement slurry and retainer chambers for cementing wiper plugs. Also called retainer head.
Industry:Oil & gas
Fluid (such as gas, oil, or water) that exists in a subsurface formation.
Industry:Oil & gas
A working shift for drilling crew or other oilfield workers. Some tours are 8 hours; the three daily tours are called daylight, evening (or afternoon), and graveyard (or morning). 12-hour tours may also be used; they are called simply day tour and night tour.
Industry:Oil & gas
