دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Acceleration head is the pressure required to overcome ineraia effect and accelerate fluid as pump suction demands.

n: English system buttress thread whose top angle is 29°. Mainly used to convey dynamic.

assistant driller.

n: 1. a state or county tax based on the value of a property. 2. tax imposed at a percent of a value.

n: Both ends are thick thread, used to connect joints with different thread and diameter.

n: (RSPA) a DOT agency that oversees the Office of Pipeline Safety, intermodal containers, highway portable tanks, railroad cars, and anything used in interstate or international commerce not regulated by the coast guard. Under OPA, RSPA has authority over onshore oil and hazardous materials pipelines that are used in interstate commerce. Address: 400 7th Street SW;Washington, DC 20590;(202) 366-4433.

n: a method of rotary drilling that uses compressed air as the circulation medium. The conventional method of removing cuttings from the wellbore is to use a flow of water or drilling mud. Compressed air removes the cuttings with equal or greater efficiency. The rate of penetration is usually increased considerably when air drilling is used;however, a principal problem in air drilling is the penetration of formations containing water, since the entry of water into the system reduces the ability of the air to remove the cuttings.

n: A method of rotary drilling that uses compressed air as the circulating medium.

drilling with air instead of drilling mud (requires diverters at the surface to handle cuttings and formation fluids).

n: a part of a LACT unit installed ahead of the metering equipment to separate and remove mass volumes of air and gas from the fluid.

n: The nipple whose whole length is lathed with thread.

n: Breaks at different joints in turn in order to check every joint periodically and avoid joint galling and thread fracturing.