دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device run at or near the bottom of the tubing sting to which production tools can be attached.

n: A device used for offshore drilling. The platform lowers or floats by gas charging and bailing. It lays in the sea floor when drilling and floats when well completion and then it will be pulled to the new well location. This device usually is diveded into

n: water found below oil and gas in a producing formation.

n: a spot sample of free water taken from beneath the petroleum contained in a ship or barge compartment or a storage tank.

n: a device placed in the cementing head and run down the casing in front of cement to clean the mud off the walls of the casing and to prevent contamination between the mud and the cement.

n: A cementing tool used to clean the drilling fluid in the wellface and prevent drilling fluid invading cement slurry. Installed in the cement casing head and threw into the wellbore before cementing.