دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: under a take-orpay clause, the threshold quantity of product that the buyer is obligated to pay for, whether actually taken during the stated period of time. A take-or-pay quantity is usually stated in terms of an absolute quantity or a certain percentage of a total con- tract quantity over a specific period of time, usually a year.

n: a structure erected to contain petroleum or a petroleum-fed fire in case a storage vessel ruptures or collapses. Usually a dike is built around the petroleum storage tank and a steel or stone wall is put up between the prime movers and the oil pumps in a pipeline pumping station. Also called fire wall.

n: an open or closed vessel of known capacity designed for the accurate determination of the volume of liquid delivered into or out of it during a meterproving operation.

n: a tap with a gradually decreasing diameter from the top. It is used to retrieve a hollow fish such as a drill collar and is the male counterpart of a die collar. The taper tap is run into a hollow fish and rotated to cut enough threads to provide a firm grip and permit the fish to be pulled and recovered. See tap. Compare die collar.

a spear-like fishing device with threads to engage ID threaded fish.

n: in pipeline construction, a machine that moves along the pipe, wrapping joints with tape in overlapping segments.

the amount of the resource that is estimated to be recovered by current or proposed technologies.

products that increase the temperature stability of a material, usually a drilling or workover fluid above its normal expected range.

abbr: thennal enhanced oil recovery.

thermal enhanced oil recovery.

n: 1. the use of improved recovery methods that not only restore formation pressure but also improve oil displacement or fluid flow in the reservoir. 2. the use of any improved recovery method to remove additional oil after secondary recovery. Compare primary recovery, secondary recovery.

an enhanced recovery process that goes beyond water or gas flooding. It may involve steam, fire, chemicals, miscible gases, bacteria or other techniques.

n: A kind of temperature resistant thinner and calcium remover of drill fluid.