دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a length of pipe inside the swivel that is installed to the swivels washpipe and to which the kelly (or a kelly accessory, such as the upper kelly cock) is attached. It conducts drilling mud from the washpipe and to the drill stem. See washpipe.

n: The rotary carrying pipe fittings in the swivel,its shoulder sitting on the main bearing and join with kelly bar by nipple.

n: a sub containing a swivel joint. It is capable of permitting rotation between its two ends.

n: A kind of swivel adapter,which used to join pipe line of transporting liquid.

n: a braided-wire device used to join the end of one wire rope to the end of another wire rope temporarily. When tension is put on this device, it stretches and grips the wire ropes firmly, allowing the wire rope to be threaded through the blocks. When tension is released, this device relaxes, allowing the rope to be released. Also called a snake or a swivel-type stringing grip.

n: see swivelconnector grip.

n: Its knitted with steel wire,which used to join two wire rope temporarily.

standard workover procedure.

abbr: sacks;used in drilling and mud reports.

sacks.

n: A kind of mechanical inclinometer,which use ink trace of measure card to display inclination and use siphon to control time of ink reaching recording card.

n: A kind of natural mineral that its primary component is potassium chloride.

adj: occurring at the same moment. For two or more generators, it means being phased together.

n: an AC motor designed to keep time" with the AC power supply;it rotates at the same speed as the alternator that supplies the current or at a fixed multiple of that speed.