دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Increasing the qauntity of wire rope of the crown block and hoisting block system when arrival to definite depth.

n: see swivel-stringing grip.

n: in pipeline construction. The process of delivering and distributing line pipe where and when it is needed on the right-of- way. Stringjng also includes the delivery of joints of special wall thickness and pipe grade to specific locations. such as road crossings. where heavy wall thickness may be specified by the contract or by regulations. Pipe is strung so that the movement of livestock and vehicles is not impeded.

the act of threading the drilling line through the pulleys or sheaves of the traveling block and the crown block. One line is connected to the derrick and the other to the winch or hoisting drum.

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.

n: a special clamp that temporarily joins the end of two lengths of wire rope. See also swivel-type stringing grip.