For a graph of pressure loss through and around the drill pipe click here.
Operational Advantages of 5 7/8" XR® Drill Pipe:
Hydraulic Performance - 5 7/8" drill pipe provides enhanced hydraulic performance compared to 5 1/2" drill pipe for ERD and ultra-deep well applications.
Streamline Configuration - 5 7/8" drill pipe utilizes a 7" OD XT Tool joint allowing it to be used to drill inside 9 5/8" casing and 8 1/2" open-hole sections. Overshot fishing capability in an 8 1/2" hole is maintained.
Logistics - Eliminates the need for 6 5/8" drill pipe. 6 5/8" drill pipe is difficult to handle and can sacrifice rig space and setback capacity because it cannot be used to drill 8 1/2" hole sections.
Rig Modifications - 5 7/8" drill pipe minimizes rig modifications compared to 6 5/8" drill pipe.
5 7/8"; 23.40# (0.361"wall) S-135
New
Premium
Torsion (ft-lbs)
105,500
83,000
Tension (lbs)
844,200
666,500
Internal Pressure (psi)
14,520
13,610
Collapse (psi)
10,830
6,200
eXtreme™ Torque (XT™) Connection
Patented, high-performance, rotary shouldered connection available in sizes from 2 3/8" to 6 5/8"
High Strength Drill Pipe
Grant Prideco's high strength drill pipe enable you to drill deeper and step out further
TurboTorque (TT) Connection
Patented connections that have proven especially well-suited for extended reach, horizontal, deep water, HPHT and ultra-deep environments
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