- Отрасли: 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.
1. a well completion method in which the producing zone or zones are cased through, cemented, and perforated to allow fluid flow into the wellbore. 2. a well completed by this method.
Industry:Oil & gas
A short cylindrical device (generally angular) installed in the drill stem between the bottommost drill collar and a downhole motor.
Industry:Oil & gas
An object that is left in the wellbore during drilling or workover operations and that must be recovered before work can proceed. It can be anything from a piece of scrap metal to a part of the drill stem.
Industry:Oil & gas
Sections of pipe (such as casing, liner, and tail pipe) in which holes or slots have been cut before it is set.
Industry:Oil & gas
A device fitted with shaped charges or bullets that is lowered to the desired depth in a well and fired to create penetrating holes in casing, cement, and formation.
Industry:Oil & gas
A powerful magnet designed to recover metallic objects lost in a well.
Industry:Oil & gas
A hole made in the casing, cement, and formation through which formation fluids enter a wellbore. Usually several perforations are made at a time.
Industry:Oil & gas
