- 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.
A percussion tool operated mechanically to give an upward thrust to a fish by the sudden release of a tripping device inside the tool. If the fish can be freed by an upward blow, the mechanical jar can be very effective.
Industry:Oil & gas
A log of, for instance, rate of penetration or amount of gas in the mud, obtained at the surface by mechanical means. See mud logging.
Industry:Oil & gas
The employee normally in charge of a specific (tour) drilling or workover crew. The driller’s main duty is operation of the drilling and hoisting equipment, but this person may also be responsible for downhole condition of the well, operation of downhole tools, and pipe measurements.
Industry:Oil & gas
A drilling rig in which the source of power is one or more internal-combustion engines and in which the power is distributed to rig components through mechanical devices (such as chains, sprockets, clutches, and shafts). Also called a power rig. Compare electric rig.
Industry:Oil & gas
The storage device for nitrogen pressurised hydraulic fluid, which is used in operating the blowout preventers.
Industry:Oil & gas
The control panel, where the driller controls drilling operations.
Industry:Oil & gas
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 of the water zone if all three fluids are present and segregated.
Industry:Oil & gas
An agreement made between a drilling company and an operating company to drill a well. It generally sets forth the obligation of each party, compensation, identification, method of drilling, depth to be drilled, and so on.
Industry:Oil & gas
A drilling or workover fluid in which oil is the continuous phase and which contains from less than 2 percent and up to 5 percent water. This water is spread out, or dispersed, in the oil as small droplets. See oil mud.
Industry:Oil & gas
