DRILL PIPE SPECIFICATIONS
Tensile Strength
Torsional Strength
Recommended Make-Up Torque
Size
(in)
Nominal Weight
(lbs/ft)
Grade
OD
(in)
ID
(in)
Connection
Tube
(lbs)
Tool Joint
(lbs)
Tube
(lbs)
Tool Joint
(lbs)
New
(ft-lbs)
Premium
(ft-lbs)
Capacity
(gal/ft)
Displacement
(gal/ft)
2-7/8
10.4
X-95
4-1/8
2-5/32
2-7/8 SLH90
271,500
382,800
14,600
11,300
6,732
5,702
0.189
0.173
3-1/2**
15.5
X-95
5
2-7/16
NC38
408,848
708,100
26,709
22,000
3-1/2
15.5
S-135
5
2-7/16
NC38
581,000
708,100
38,000
22,200
13,221
9,879
0.274
0.260
13,221
***
0.274
0.264
3-1/2
15.5
SS-105
5
2-9/16
DS38
451,900
649,200
29,500
4
14.0
X-95
5-1/4
2-9/16
NC40
361,454
838,300
29,498
25,800
14,100
13,500
0.274
0.264
27,700
16,616
15,319
0.444
0.237
4
14.0
S-135
5-1/4
2-9/16
NC40
513,600
822,900
41,900
27,700
4
14.0
S-135
4-7/8
2-11/16
XT39
513,600
776,400
41,900
25,700
16,616
15,700
0.445
0.241
21,200
17,700
0.445
4
14.0
S-135
4-7/8
2-13/16
XT39
513,600
599,500
41,900
32,900
0.244
19,700
12,000
0.4456
0.240
4
14.0
S-135
4-7/8
2-11/16
VX39
514,000
783,000
41,900
4
15.7
X-95
5-1/4
2-9/16
NC40
410,500
822,900
32,700
35,400
21,200
16,300
0.4456
0.240
27,700
16,616
15,319
0.419
0.267
4
15.7
SS-105
5
2-9/16
DS38
453,800
649,200
4
15.7
SS-105
5-1/4
2-11/16
DS40
453,800
712,000
36,100
25,800
14,100
13,500
0.417
0.271
36,100
31,400
18,800
14,100
0.417
0.271
4-1/2
16.6
X-95
6-3/8
3
NC46
418,707
4-1/2
16.6
G-105
6-3/8
3
NC46
462,781
1,048,400
39,022
39,900
23,399
15,029
0.584
0.289
1,048,400
43,130
39,900
23,399
16,547
0.584
4-1/2
16.6
SS-105
6-3/8
3-1/4
NC46
0.289
462,800
826,100
43,100
31,300
19,937
15,700
0.586
0.299
5**
19.5
X-95
6-5/8
3-1/2
5**
19.5
G-105
6-5/8
3-1/4
NC50
501,087
1,109,900
52,145
44,500
26,674
20,127
0.732
0.336
NC50
553,833
1,269,000
57,633
51,200
30,730
21,914
0.728
0.339
5
19.5
SS-105
6-5/8
3-1/4
NC50
553,833
1,163,200
57,633
46,900
28,200
21,500
0.728
0.339
5**
19.5
S-135
6-5/8
2-3/4
NC50
712,070
1,551,700
74,100
63,400
38,036
28,381
0.722
0.346
5-1/2**
21.9
G-105
7-1/4
3-1/2
5-1/2 FH
611,963
1,619,200
70,994
72,200
43,328
27,645
0.906
0.387
5-1/2**
21.9
S-135
7-1/2
3
5-1/2 FH
786,809
1,925,500
91,279
86,800
52,059
33,446
0.899
0.404
5-1/2**
24.7
G-105
7-1/4
3-1/2
5-1/2 FH
696,111
1,619,200
79,204
72,200
43,328
29,836
0.867
0.426
5-1/2**
24.7
S-135
7-1/2
3
5-1/2 FH
894,999
1,925,500
101,834
86,800
52,059
38,901
0.859
0.444
**API standard
***New OD below API minimum; therefore no premium class values avaliable. As API RP 7G recommended make-up torque is equal to 60% of minimum torsional strength.
INTERCHANGE LIST
Connection
Interchange
NC38 or DS38
3-1/2 IF
NC40 or DS40
4 FH
NC46
NC50
HEAVY WEIGHT DRILL PIPE
Size
(in)
Tensile Strength
Torsional Strength
Make-Up Torque
Connection
Tube
(lbs)
Tool Joint
(lbs)
Tube
(lbs)
Tool Joint
(lbs)
Recommended
(ft-lbs)
4 IF or 4-1/2 XH
2-7/8
2-7/8 SLH90
271,500
362,000
14,600
10,600
6,380
4-1/2 IF or 5 XH
3-1/2
NC38
310,000
708,000
18,500
22,000
13,200
4
NC40
407,000
768,400
27,600
25,400
15,200
4
DS38
407,000
649,100
27,600
26,600
16,000
4
XT39
407,000
724,100
27,600
40,800
22,500
4
DS40
407,000
768,400
27,600
33,400
20,100
4-1/2
NC46
533,000
1,150,000
40,100
43,000
25,800
5
NC50
691,000
1,420,000
56,500
57,500
34,500
When interchanging with a DS connection, the lower
of the specification values shall be used.
55 Ksi - Standard Heavy Weight
DRILL COLLARS
Size
1.866.778.2552 (CAN)
1.877.337.8723 (USA)
StradEnergy.com
Connection
Tensile
Strength
Torsional
Strength
Tool Joint
(lbs)
Tool Joint
(ft-lbs)
Maximum
(ft-lbs)
Make-Up Torque
OD
(in)
ID
(in)
4-3/4
2-1/4
NC38
724,990
17,576
10,985
9,986
5
2-1/4
NC38
724,990
22,717
14,198
12,907
6-1/4
2-1/4
NC46
1,301,233
41,300
25,850
23,500
6-1/2
2-1/4
NC46
1,301,233
49,316
30,823
28,021
6-3/4
2-1/4
NC50
1,638,382
64,664
40,415
36,741
6-3/4
2-13/16
NC50
1,392,362
56,807
35,505
32,277
8
2-13/16
6-5/8 REG
1,834,534
85,354
58,673
53,353
As per API RP 7G maximum make-up torque is minimum plus 10%
Optimal
(ft-lbs)
DRILL PIPE CLASSIFICATIONS
PREMIUM CLASS
STANDARD WEIGHT
80% REMAINING WALL
PREMIUM CLASS
HEAVY WALL
80% REMAINING WALL
CLASS 2
70% REMAINING WALL
CLASS 3
ANY IMPERFECTIONS OR DAMAGE WHICH EXCEEDS CLASS 2
CLASS 4
CRACKED
ULTRASONIC END
AREA &/OR
SLIP AREA
BESIDE TUBE CLASSIFICATION PAINT BANDS
X95
BESIDE TUBE CLASSIFICATION PAINT BANDS
SS95
BESIDE TUBE CLASSIFICATION PAINT BANDS
G105
BESIDE TUBE CLASSIFICATION PAINT BANDS
SS105
BESIDE TUBE CLASSIFICATION PAINT BANDS
S135
BESIDE TUBE CLASSIFICATION PAINT BANDS
PLUGGED - ORANGE BAND IN MIDDLE
SILVER BAND ON UPSET - POOR HARDBAND
BENT - WHITE BAND IN MIDDLE
TOOL JOINT & DRILL COLLAR CLASSIFICATIONS
(DOUBLE WHITE BANDS) IDENTIFY BOREBACK OR STRESS RELIEF
(WHITE BAND) INSPECTED - NO DAMAGE
(YELLOW BAND) IMPROPER BEVEL (FIELD REPAIRABLE)
(GREEN BAND) SEAL DAMAGE (FIELD REPAIRABLE)
(DOUBLE GREEN BAND) (SHOP REPAIRABLE)
(BLUE BAND) EXCESSIVE WEAR
(RED BAND) DAMAGED OR CRACKED (DO NOT USE)
SHORT TOOL JOINT (INSUFFICIENT TONG SPACE) - BLUE ON TOOL JOINT SHOULDER
REV 6/13