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Drill Collars

Sizes ranging from 2-7/8" OD all the way through 9-1/2" OD. Count on Thomas Energy Services for all your drill collar needs!

To see our full line of drill collars, click here.

DRILL COLLAR SPECIFICATIONS

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LINK BELOW
             
OD              Weight lb/ft  Range  Connection  OD  ID 

Rec.        M/U Torque          

Connection
Tensile 
BSR 
 1  SPEC SHEET 2-7/8"  17.88#  2-3/8"HT-PAC  2.875"  1.250"  2,600-4,100  247,000  2.147 
 2  SPEC SHEET 3-1/8"  21.88#  2-7/8"PAC  3.125"  1.250"  5,000-5,500  309,700  2.176 
 3  SPEC SHEET 3-1/8"  20.05#  2-7/8"PAC  3.125"  1.500"  4,200-4,600  250,300  2.452 
 4  SPEC SHEET 3-1/8" 21.88# 2 2-7/8"HT-PAC 3.125"  1.250"  3,500-5,700  309,700  2.169 
 5  SPEC SHEET 3-1/8" 20.05# 2-7/8"HT-PAC  3.125"  1.500"  3,100-4,700  250,300  2.443 
 6  SPEC SHEET 3-3/8"  24.38# 2 HT-26  3.375"  1.500"  3,400-5,600  357,700  2.024 
 7  SPEC SHEET 3-1/2"  26.67#  2-3/8"IF (NC-26)  3.500"  1.500"  2,700-2,900  229,500  4.521 
 8  SPEC SHEET 3-7/8" 29.38# 2 2-7/8"SL-H90 3.875"  2.000"  6,800-7,500  407,000  2.005 
 9  SPEC SHEET 4-1/8"  34.72#  2-7/8"IF (NC-31)  4.125"  2.000"  6,900-7,600  454,400  2.436 
 10  SPEC SHEET 4-1/8"  34.72#  HT-31  4.125"  2.000"  7,200-10,400  454,400  2.343 
 11  SPEC SHEET 4-7/8" 49.89#  3-1/2"IF (NC-38)  4.875"  2.250"  11,900-13,100  725,000  2.143 
 12  SPEC SHEET 4-7/8"  49.89#  HT-38  4.875"  2.250"  11,900-18,800  725,000  2.024 
 13  SPEC SHEET 4-7/8" 49.89# 2 XT-39 4.875" 2.250"  11,400-22,400  789,800  1.455 
 14  SPEC SHEET 5-1/4"  60.01#  4"FH (NC-40)  5.250"  2.250"  15,300-16,800  898,300  2.138 
 15  SPEC SHEET 5-1/4" 56.84# 4"FH (NC-40)  5.250"  2.500"  15,000-16,500  795,700  2.285 
 16  SPEC SHEET 6-1/4" 83.08# 2 4-1/2"XH (NC-46) 6.250" 2.813" 22,500-24,700 1,055,000  2.640 
 17  SPEC SHEET 6-1/2" 91.58#  4-1/2"XH (NC-46)  6.500"  2.813"  22,500-24,700  1,055,000  3.070 
 18  SPEC SHEET 6-1/2" 91.58#  4-1/2"IF (NC-50)  6.500"  2.813"  29,700-32,600  1,392,100  2.025 
 19  SPEC SHEET 7-1/4" 119.09# 2 5-1/2"API REG 7.250"  2.813" 36,400-40,000 1,396,300 2.867
 20  SPEC SHEET 8" 149.60# NC-56 8.000"  2.813"  48,300-53,000  1,734,200  3.020 
 21  SPEC SHEET 9" 194.94# 7-5/8"API REG  9.000"  2.813"  84,500-93,000  2,747,200  2.281 
 22  SPEC SHEET 9-1/2" 216.71#  7-5/8"API REG LT  9.500"  3.000"  86,500-95,000  2,661,800  2.815