دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cylindrical steel bar (similar to the handle or bail of a bucket, only much larger) that supports the swivel and connects it to the hook. Sometimes, the two cylindrical bars that support the elevators and attach them to the hook are called bails or links. v: to recover bottomhole fluids, samples, or drill cuttings by lowering a cylindrical vessel called a bailer to the bottom of a well, filling it, and retrieving it.

n: A rounded steel bar that supports the swivel and connects it to the hook. May also apply to the steel bars that connect the elevators to the hook (links).

remove solids or fluids from a well.

n: A rotator, installed at the top of casing, connected with cement head. Its function is improving the quality of cementing and displacing efficiency of drill fluid by rotating casing string in the process of cementing.

n: a long steel pole with a hook on one end that allows one of the rotary helpers to release the safety latch on the drilling hook so that the bail of the swivel can be removed (as when the kelly is set back prior to making a trip). Also called a shepherds stick, or hook.

n: A long steel arm with hook. The borer uses it to crook safety latch to unload swivel bail from hook.

n pi: the equipment included in the drilling fluid circulating system of a rotary rig. Basically, the components consist of the mud pump, the rotary hose, the swivel, the drill stem, the bit, and the mud return line.

n: Mainly including mud pump, revolving drilling hose, swivel, drill string, bit and mud return line.

n: The total time that drill fluid returns to the drill fluid pool through mud pump, swivel, drill pipe, drill bit, annular and purification plant.

n: a piece of drilling equipment that joins the hook and travelling block into one unit designed to support the swivel and drill stem during drilling and to raise and lower drilling tools in and out of the hole.

n: Used as well head for liner cementing. Sending to the top of column by installing in the liner.

n: the rotary drilling system that uses a conventional swivel, a kelly, a kelly drive bushing, a master bushing, and a rotary table to turn the drill stem and bit. Compare top drive.

n: The whole set of coring tool consisted by outer barrel, inner barrel, safe joint, rotating bearing and core bit.

n: The total names of tools for fluctuating drill tool, which hang on the derrick mask. Including crown block, hoisting block, hook, swivel, elevator, tongs and wire rope.