دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see circulation valve. unloading a well n: removing fluid from the tubing in a well, often by means of a swab, to lower the bottomhole pressure in the wellbore at the perforations and induce the well to flow.

lightening of a fluid column, usually by adding gas, until the fluid flows out of the well.

n: a special circulation valve that provides a way of equalizing tubing and annulus pressure. See also circulation valve.

generally a downhole valve that, when opened, permits circulation.

n: The joint that havent been welded antifraying loop,which can be weared easily.

Unproved reserves are based on geologic and/or engineering data similar to that used in estimates of proved reserves;but technical, contractual, economic, or regulatory uncertainties preclude such reserves being classified as proved. Unproved reserves ma

n: a wildcat area.

n: The area that havent been drilled and probed .