دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the theory that minerals such as oil and gas are fully owned in place before they are extracted and reduced to possession. Despite this theory, title to oil and gas may be lost by legitimate drainage and by the rule of capture. Also called ownership in place. See rule of capture.

n: the maximum lawful price that may be charged for the first sale of a specified NGPA category of natural gas. cellar n: a pit in the ground, usually lined with concrete, steel pipe, or wood, that provides additional height between the rig floor and the wellhead to accommodate the installation of blowout preventers, rathole, mousehole, and so forth. It also collects drainage water and other fluids for subsequent disposal.

n: a combination of two or more natural energies that work together in a reservoir to force fluids into a wellbore. Possible combinations include gas-cap and water drive, solution gas and water drive, and gas-cap drive and gravity drainage.

a stream system that branches irregularly.

n: the migration of oil or gas in a reservoir toward a wellbore due to pressure reduction caused by the wells penetration of the reservoir. A drainage point is a wellbore (or, in some cases, several wellbores) that drains the reservoir.

n: the annular belt driven by gyro wheel in the solids control device

n: clause in a gas sales contract that states that the pipeline company will attempt to take sufficient volume to prevent the seller from being drained.