دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a patented screen design that allows gravel packing slurry to flow past an annular bridge point that would normally stop the placement of gravel.

the returning wave of gravel after the alpha wave when packing a well over about 55o deviation.

a sand control completion that uses a screen and a gravel pack to stop formation sand production.

Cased Hole Gravel Pack.

n: a type of gravel pack in which the wells production packer is removed and a service packer is run in with the gravel pack assembly. After packing, the service tool is retrieved and the production packer rerun.

a section of the treating string that transfers incoming flow from inside the pipe to the annulus below the crossover, and the return flow from inside the tubing to the annulus above the crossover. Straddles a packer.

external gravel pack.

wellbore tubulars run in like conventional completions but mechanically enlarged downhole once in place. Can include combinations of sand screens, blank pipe and annular isolation seals used in lieu of gravel packs.

n: a kind of completion in which foam flow transport sandy gravel into well screen which is annular with producing pay breastwork.

a sand control technique coupling fracture treating (usually a tip screenout fracture) with a screen and gravel packing of the wellbore.