دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a treatment designed to remove damage or debris from the wellbore and the perforations.

n: see wellbore soak.

the drawing of the well and its equipment showing depths, sizes, grades, and specific equipment.

n: The fluid of wellbore in the process of drilling and completion.

n: 1. bottomhole pressure. 2. casing pressure.

an early time frac failure when the frac width is too small and the fracture proppant bridges off on the fracture.

n: an acidizing treatment in which the acid is placed in the wellbore and allowed to react by merely soaking. It is a relatively slow process, because very little of the acid actually comes in contact with the formation. Also called wellbore cleanup. See matrix acidizing. Compare acidfracture.

n: the equipment installed at the surface of the wellbore. A wellhead includes such equipment as the casinghead and tubing head. adj: pertaining to the wellhead (e.g., wellhead pressure).

the mechanical connection between the tree and the casing. May house tubular hangers, annular access valves. It is connected to the casing by welding, threads, hydraulic forming or set screws.

n: The surface termination of a wellbore that incorporates facilities for installing casing hangers during the well construction phase. The wellhead also incorporates a means of hanging the production tubing and installing the Christmas tree and surface flow

n: the price received by the producer for sales at the well. See also crude oil average domestic first purchase price.