Zeroth Technology Ltd
Zertech Homepage

header

TECHNICAL SPECIFICATION FOR NEW 4” OD SPIRAL HEAVY WEIGHT DRILL PIPE WITH 4” FH (NC40) / NKK-DSTJ HIGH TORQUE CONNECTIONS.


MANUFACTURER: SCHOLLER-BLECKMANN
SIZE: 4”
TOOL JOINT OD: 5”
TOOL JOINT ID: 2.1/2”
CONNECTIONS: 4” FH (N40) / NKK-DSTJ HIGH TORQUE
HARDBANDING: ARNCO

TOOL JOINT
TENSILE YIELD: 677,300 LBS (NEW)
TORSIONAL YIELD: 22,550 FT.LBS (NEW)
MAKE UP TORQUE: 14,500 FT.LBS (NEW)


TUBE
UPSET CENTRE: 4.1/2”
WALL THICKNESS: 0.750”
INSIDE DIAMETER: 2.1/2”
TENSILE YIELD: 397,600 LBS
TORSIONAL YIELD: 26,950 FT.LBS
CROSS SECTIONAL AREA: 7.410 IN2


APPROXIMATE WEIGHT: 1,125 LBS PER JOINT (NEW)

WEIGHT PER FOOT: 37.5 LBS/FT

DISPLACEMENT: 17.22 US GALS PER JOINT (0.409 BBLS PER JOINT)

CAPACITY: 8.04 US GALS PER JOINT (0.191 BBLS PER JOINT)


* MANUFACTURED TO SHELL SQAIR SPECIFICATIONS *


DSNS-SD-16 Rev 01