دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a length of casing that runs from a set point to a point part way up in the previously set casing string, but usually not to surface. A liner may be used instead of a full casing string to save money, to maintain a larger ID for well equipment or to preve

n: See diamond-set casing shoe.

n: See diamond-set casing shoe.

n: The casing shoe hollow bit whose surface is installed with natural diamond.

n: refer toexternal upset

n: a previously common method of completion a well was to set casing is the oil bearing formation and cement it at depth. The casing is the gun perforated by a device that is lowered in the hole and fires steel projectiles through the casing and into the pay

v: to create holes in casing and cement set through a productive formation. A common method of completing a well is to set casing through the oil-bearing formation and cement it. A perforating gun is then lowered into the hole and fired to detonate high-powered jets or shoot steel projectiles (bullets) through the casing and cement and into the pay zone. The formation fluids flow out of the reservoir through the perforations and into the wellbore. See jetperforate, perforating gun.

n: the inner wall of casing that is thickened.

v: to run and cement casing at a certain depth in the wellbore. Sometimes called set pipe.

v: The work of pulling the casing into the hole.

the actions involved with running casing and cementing it in place.