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TECHNICAL SPECIFICATION FOR
NEW 4" DRILL PIPE WITH NKK DSTJ CONNECTIONS


PIPE :

PIPE OD / ID: 4” x 3.34”
GRADE AND RANGE: S-135 RANGE II
WEIGHT AND UPSET: 14.00 LB/FT, IU
WALL THICKNESS: 0.33”
SECTION AREA BODY OF PIPE: 3.8048 SQ.IN.
POLAR SECTIONAL MODULUS: 6.458 CU.IN.
COLLAPSE PRESSURE: 20,140 PSI
INTERNAL YIELD PRESSURE: 19,490 PSI
TENSILE YIELD: 513,650 LB
TORSIONAL YIELD: 41,920 FT.LB
AVERAGE LENGTH PER JOINT: 31.5 FT / 9.60 MTR
INTERNAL PLASTIC COATING: NONE


TOOL JOINTS:

TOOL JOINT OD/ID: 5" x 2.9/16"
TOOL JOINT LENGTH: 10.1/2” PIN x 14.1/2” BOX
CONNECTION: 4” FH (NC40)/NKK DSTJ
HARDFACING: ARNCO
TENSILE YIELD: 837,830 LB
TORSIONAL YIELD: 26,770 FT/LB
MAXIMUM MAKE UP TORQUE: 18,700 FT/LBS
OPTIMUM MAKE UP TORQUE: 17,400 FT/LBS
MINIMUM MAKE UP TORQUE: 16,100 FT/LBS
DRIFT DIAMETER: 2.7/16”

CAPACITIES / DISPLACEMENT:

OPEN END DISPLACEMENT 0.225 Gal/ft
CLOSED END DISPLACEMENT 0.679 Gal/ft
CAPACITY 0.454 Gal/ft

All figures are based on data supplied by the manufacturers and from information taken from API specification RP7G Fifteenth Edition January 1995


DSNS-SD-20 Rev 01.