دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a method for completing a well in which tubing is set inside 4.5-inch (1.4-centimetre) or larger casing. Compare miniaturised completion. conventional coupling n: piping configuration that uses ten diameters of straight full pipe upstream of a meter and straightening vanes;the downstream contains five or more full pipe diameters.

n: A kind of well completion that oil tube is tripped in above the casing whose diameter is 4 1/2.

n: fourth of five passes or beads in pipeline welding.

formation isolation valve. A downhole valve that is operated by pressure cycling or other remote method.

a well placement pattern that looks like the 5-spot side on a dice cube.

n: the batching plug which entries into the casing following the cement and on whose rubber shell there are five doctor blade,usually used to shave the drilling fluid on the hole well to prevent the cement slurry being contaminated and divide the cement slu

n: the batching plug which entries into the casing following the cement and on whose rubber shell there are five doctor blade,usually used to shave the drilling fluid on the hole well and divide the cement slurry and displacement fluid

n: use ft as the module namely the well depth is between 10000ft and 100000ft