دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: seamless steel or aluminum pipe made up in the drill stem between the kelly or top drive on the surface and the drill collars on the bottom. During drilling, it is usually rotated while drilling fluid is circulated through it. Joints of pipe about 30 feet long are coupled together by means of tool joints.

n: A heavy seamless pipe uesd to rotate the bit and circulate the drilling fluid. Lengths of drill pipe 30 ft long are coupled together with tool joints to make the drill string.

a heavy wall tubing used for drilling.

n: the tubular part of the drill pipe between the tool joints, which are on each end of the pipe.

n: the seamless pipe section of the both endless ends of the pipe

n: A heavy seamless pipe uesd to rotate the bit and circulate the drilling fluid. Lengths of drill pipe 30 ft long are coupled together with tool joints to make the drill string.