non-magnetic drill collar 4.750” nc38 flexi collar...2019/09/04 · non-magnetic drill collar...
TRANSCRIPT
NON-MAGNETIC DRILL COLLAR
4.750” NC38 FLEXI COLLAR
NON-MAGNETIC DRILL COLLAR 4.750” NC38 FLEXI COLLAR
Specification
OEM Schoeller Bleckmann
Country of Origin Austria
Nominal OD 4 ¾” (4.750”)
Nominal ID 2 11/16” (2.685”)
Material Grade P530
Grain Size 3-5 ASTM
Magnetic Permeability 1.001 max.
Drift Size 2 9/16” (2.5625)
Hardbanding
IPC None
Chemical Properties Phosphorus <0.05% Sulphur <0.030%
Average Weight Per Joint
Manufacturing Criteria API Spec 7-1
Drill Collar Capacities
Tensile Strength 130.5 KSI 120 KSI Min
Yield Strength 121.4 KSI 110 KSI Min
Impact Strength 171 lb/ft Charpy V Notch
Hardness (Brinell) 311-321 BHN
The information on this specification sheet is provided for illustration purposes only and is taken from information available from the
manufacturer and other public sources. Saltire Energy Limited accepts no responsibility or liability for the accuracy of the information provided or for any error, omission or misstatement.
Tool Joint / Connection Specifications
Connection NC38 OD 4 ¾” (4.750”) ID 2 11/16” (2.6875”) Adjusted Weight Average Length 31.00 ft Tensile Strength 587,300 lbs Torsional Strength 18,100 lb/ft Recommended Make Up Torque 9,700 lb/ft Maximum Make Up Torque Elongation 18% Fluid Displacement Fluid Capacity 0.360 gal/ft Elevator Recess n/a Slip Recess n/a Inspection Criteria NS-2