دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a straight through flow line from the wellhead to a flare pit. Often used in diverting flow during a well control incident.

v: 1. to supercharge an engine. See supercharge. 2. to depressure. See depressure.

n: 1. a pressurised device capable of transferring liquid;sometimes used to transfer crude oil and water mixtures if pump agitation would create unwanted emulsions.2. a small tank in which liquids are accumulated and drained by applying gas or air pressure above the liquid level. Such a vessel is usually located below a pipeline or other equipment at a location where an outside power source is not convenient for removing the drained liquids. Sometimes referred to as a drip.

v: to empty or depressure a vessel. Also called depressure.

to release gas pressure. In a reservoir, blow down is often after the oil recovery phase has been complete and the majority of the gas from the gas cap needs to be recovered.

n: the percentage of gases that escape past the piston rings from the combustion chamber into the crankcase of an engine.

n: that period following the completion of a cycling or pressure maintenance operation in a reservoir in which the remaining gas is produced from the reservoir without being replaced by injected gas.

free gas separating from the liquid at the bottom of the separator. Generally indicates poor separator performance.

adj: supercharged. See supercharge. blown oil n: fatty oil the viscosity of which has been increased by blowing air through it at an elevated temperature.