Standard | API 5CT |
Size | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2” |
Ends/Thread | BTC, UN, EUE, EU |
Length | API 5CT Spec R1, R2, R3 |
Grade | L80-1, N80-Q, 80SS |
J55, K55, C90, C95, P110 |
Standard | API 5CT |
Size | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2” |
Ends/Thread | BTC, UN, EUE, EU |
Length | API 5CT Spec R1, R2, R3 |
Grade | L80-1, N80-Q, 80SS |
J55, K55, C90, C95, P110 |
Standard | API 5CT |
Size | 4 1/2” - 20” |
Ends Type | Plain end, STC, LTC, BTC |
Length | R2 ,R3 |
Connection | VAM TOP, VAM FJL; Tenaris |
Grade | J55, K55, N80, L80, C90, C95. P110 |
Standard | API 5CT/5B |
Size | 4 1/2” - 20” |
Length | |
Thread | LTC, STC, BTC |
Grade | J55, K55, L80, N80, P110 |
Standard | API 5L, A53-B, A106-B/ASMEA, PSL1 PSL2 |
Steel Grade | API 5L GR. B X42 x46 X52 X60 X65 X70 x80 |
WT | SCH10 - SCH160, Light Wall - Extra Heavy |
Ends | Plain ends, Beveled ends |
Length | R1, R2, R3 |
OD | 2 3/8'' - 24'' (ERW OD - OD is 4 1/2'' - 20'' Grade A B X42 - X80) |
Standard | API SPEC 5D, 5CT, API SPEC |
WT | PSL1 PSL2 PSL3 |
Length | R1 (18 - 22ft), R2 (27 - 31ft), R3 (38 - 45ft). |
Diameter | 2 3/8' - 6 5/8' |
Thread End | IU EU IEU |
Connection | API REG, FH, IF |
Grade | E, X, G, S, E-75 - S135 |
High strength grade: S-140, S-150, S-135, G-105, X-95, | |
Tool Joint | NC26, NC31, NC38, NC40, NC46, |
NC50, NC56, 5H, 6 5/8 FH, HLDS26 - HLDS5 - HLDS 6 5/8 |
Steel Grade | Size | OD (mm) | Nominal Weight (lb/ft) | Wall thickness (in) | Internal Diameter (in) | End Type |
API 5CT J55 K55, L80, N80, P110 |
2 3/8 | 60.32 | 4.60 | 0.190 | 1.994 | Plain End |
2 7/8 | 73.02 | 6.40 | 0.217 | 2.441 | NUE | |
3 1/2 | 88.90 | 9.20 | 0.254 | 2.992 | EUE | |
4 1/2 | 114.30 | 12.60 | 0.271 | 3.958 |
Casing & Tubing Specifications
Grade |
Type |
Total elongation under load (%) |
Yield strength (min) |
Yield strength (max) |
Tensile strength min Mpa |
Hardness Max (HRC) |
Hardness Max(HBW) |
J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
N80 |
1 |
0.5 |
552 |
758 |
689 |
- |
- |
N80 |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
C90 |
- |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
C95 |
- |
0.5 |
655 |
758 |
724 |
- |
- |
T95 |
- |
0.5 |
655 |
758 |
724 |
25.4 |
255 |
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
Q125 |
All |
0.65 |
862 |
1034 |
931 |
- |
- |
Grade | Size | OD (mm) | Nominal weight (lb/ft) | Wall Thickness (in) | End Type |
J55, K55 N80, L80 P110 |
4 1/2 | 114.30 |
11.60 13.50 |
0.250 0.290 |
Long (short) Round Thread |
5 1/2 | 139.70 |
17.00 20.00 23.00 |
0.354 0.361, 0.415 |
Mechanical Properties
J55 |
- |
0.5 |
379 |
552 |
517 |
||
K55 |
- |
0.5 |
379 |
552 |
655 |
||
N80 |
1 |
0.5 |
552 |
758 |
689 |
||
N80 |
Q |
0.5 |
552 |
758 |
689 |
||
L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
C90 |
- |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
C95 |
- |
0.5 |
655 |
758 |
724 |
||
T95 |
- |
0.5 |
655 |
758 |
724 |
25.4 |
255 |
P110 |
- |
0.6 |
758 |
965 |
862 |
||
Q125 |
All |
0.65 |
862 |
1034 |
931 |
Tubing & Casing Specification
Grade |
Type |
Total elongation under load (%) |
Yield strength (min) |
Yield strength (max) |
Tensile strength min Mpa |
Hardness Max (HRC) |
Hardness Max(HBW) |
J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
N80 |
1 |
0.5 |
552 |
758 |
689 |
- |
- |
N80 |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
C90 |
- |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
C95 |
- |
0.5 |
655 |
758 |
724 |
- |
- |
T95 |
- |
0.5 |
655 |
758 |
724 |
25.4 |
255 |
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
Q125 |
All |
0.65 |
862 |
1034 |
931 |
- |
- |
Tubing Coupling Specifications | OD mm | Min Length mm | Weight kg | |||
NU | EN | NU | EN | NU | EN | |
1.9 | 55.88 | 63.5 | 93.25 | 98.42 | 0.56 | 0.84 |
2 3/8 | 73.02 | 77.8 | 107.95 | 123.82 | 1.28 | 1.55 |
2 7/8 | 88.9 | 93.17 | 130.18 | 133.35 | 2.34 | 2.4 |
3 1/2 | 107.95 | 114.3 | 142.88 | 146.05 | 3.71 | 4.1 |
4 | 120.65 | 127 | 146.05 | 152.4 | 4.35 | 4.82 |
4 1/2 | 132.08 | 141.3 | 155.58 | 158.75 | 4.89 | 6.05 |
Casing Coupling Specifications | OD mm | Min Length mm | Weight kg | ||
Short Thread | Long Thread | Short Thread | Long Thread | ||
4 1/2 | 127 | 158.75 | 177.8 | 3.62 | 4.15 |
5 | 141.3 | 165.1 | 196.85 | 4.66 | 5.75 |
5 1/2 | 153.67 | 171.45 | 203.2 | 5.23 | 6.42 |
Casing Couplings API 8 Round Thread Dimension and Masses
Label |
Outside |
Outside |
Length |
Mass |
Quantity |
Quantity |
|||
Short |
Long |
Short |
Long |
Short |
Long |
||||
4-1/2 |
4.500 |
5.000 |
6-1/4 |
7 |
7.98 |
9.16 |
294 |
294 |
196 |
5 |
5.000 |
5.563 |
6-1/2 |
7-3/4 |
10.27 |
12.66 |
252 |
210 |
196 |
5-1/2 |
5.500 |
6.050 |
6-3/4 |
8 |
11.54 |
14.15 |
216 |
180 |
136 |
6-5/8 |
6.625 |
7.390 |
7-1/4 |
8-3/4 |
20.11 |
25.01 |
120 |
92 |
100 |
7 |
7.000 |
7.656 |
7-1/4 |
9 |
18.49 |
23.87 |
120 |
100 |
84 |
7-5/8 |
7.625 |
8.500 |
7-1/2 |
9-1/4 |
27.11 |
34.46 |
80 |
64 |
64 |
8-5/8 |
8.625 |
9.625 |
7-3/4 |
10 |
35.79 |
47.77 |
60 |
60 |
52 |
9-5/8 |
9.625 |
10.625 |
7-3/4 |
10-1/2 |
39.75 |
56.11 |
50 |
36 |
40 |
10-3/4 |
10.750 |
11.750 |
8 |
10-1/2 |
45.81 |
62.02 |
45 |
36 |
45 |
11-3/4 |
11.750 |
12.750 |
8 |
10-1/2 |
49.91 |
67.39 |
40 |
40 |
40 |
13-3/8 |
13.375 |
14.375 |
8 |
10-1/2 |
56.57 |
76.63 |
25 |
20 |
25 |
Casing Couplings API Buttress Threads Dimension and Masses
Label |
Outside |
Outside |
Outside Diam. |
Minimum |
Mass Lb/Ft |
Quantity |
|
Regular |
Special |
||||||
4-1/2 |
4.500 |
5.000 |
4.875 |
8-7/8 |
10.120 |
7.680 |
196 |
5 |
5.000 |
5.563 |
5.375 |
9-1/8 |
13.000 |
8.820 |
196 |
5-1/2 |
5.500 |
6.050 |
5.875 |
9-1/4 |
14.150 |
9.850 |
136 |
6-5/8 |
6.625 |
7.390 |
7.000 |
9-5/8 |
24.490 |
12.460 |
100 |
7 |
7.000 |
7.656 |
7.375 |
10 |
23.240 |
13.840 |
84 |
7-5/8 |
7.625 |
8.500 |
8.125 |
10-3/8 |
34.880 |
20.470 |
64 |
8-5/8 |
8.625 |
9.625 |
9.125 |
10-5/8 |
45.990 |
23.800 |
52 |
9-5/8 |
9.625 |
10.625 |
10.125 |
10-5/8 |
51.050 |
26.490 |
40 |
10-3/4 |
10.750 |
11.750 |
11.250 |
10-5/8 |
56.740 |
29.520 |
45 |
11-3/4 |
11.750 |
12.750 |
|
10-5/8 |
61.800 |
|
40 |
13-3/8 |
13.375 |
14.375 |
|
10-5/8 |
70.030 |
|
25 |
Note: All Buttress couplings are 5 threads per inch with 4-1/2 thru 13-3/8 taper tapped-3/4' per foot on diameter.
Both LTC and STC couplings are 8 threads per inch and taper tapped-3/4' per foot on diameter
Coupling Grades & Color Identification
Grade |
Type |
Entery Coupling |
Band(s) |
H40 |
|
None |
Same as for pipe |
J55 Tubing |
|
Bright Green |
None |
J55 Casing |
|
Bright Green |
One White |
K55 |
|
Bright Green |
None |
M65 |
|
M65 pipe uses L80 Type 1 couplings |
|
N80 |
1 |
Red |
None |
N80 |
Q |
Red |
Green |
L80 |
1 |
Red |
One Brown |
L80 |
9 Cr |
Red |
Two Yellow |
L80 |
13 Cr |
Red |
One yellow |
C90 |
1 |
Purple |
None |
C90 |
2 |
Purple |
One yellow |
T95 |
1 |
Silver |
None |
T95 |
2 |
Silver |
One yellow |
C95 |
|
Brown |
None |
P110 |
|
White |
None |
Q125 |
1 |
Orange |
None |
API 5L X Grades
Grade |
Chemical Composition |
Yield Strength |
Tensile Strength |
Yield to Tensile |
Elongation |
|||||||
|
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
min. (KSI) |
min. (KSI) |
Ratio (max) |
% |
API 5L X52 |
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.07 |
0.05 |
0.04 |
52 |
66 |
0.93 |
21 |
API 5L X56 |
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.07 |
0.05 |
0.04 |
56 |
71 |
0.93 |
19 |
API 5L X60 |
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.08 |
0.05 |
0.04 |
60 |
75 |
0.93 |
19 |
API 5L X65 |
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.09 |
0.05 |
0.06 |
65 |
77 |
0.93 |
18 |
API 5L X70 |
0.17 |
0.45 |
1.75 |
0.020 |
0.010 |
0.10 |
0.05 |
0.06 |
70 |
82 |
0.93 |
17 |
Drill Pipe Technical specifications
Pipe |
Tool Joint |
|||||||||
Size OD, |
Nominal Weight, |
Upset Type |
Grade |
Wall Thickness, |
ID, |
Connection Type |
OD, |
ID, |
Pin Tong Space*, |
Box Tong Space*, |
2-3/8 |
6.65 |
EU |
E-75 |
0.280 |
1.815 |
NC26 |
3-3/8 |
1-3/4 |
9 |
10 |
X-95 |
0.280 |
1.815 |
NC26 |
3-3/8 |
1-3/4 |
9 |
10 |
|||
G-105 |
0.280 |
1.815 |
NC26 |
3-3/8 |
1-3/4 |
9 |
10 |
|||
S-135 |
0.280 |
1.815 |
NC26 |
3-5/8 |
1-3/4 |
9 |
10 |
|||
2-7/8 |
10.40 |
EU |
E-75 |
0.362 |
2.151 |
NC31 |
4-1/8 |
2-1/8 |
9 |
11 |
X-95 |
0.362 |
2.151 |
NC31 |
4-1/8 |
2 |
9 |
11 |
|||
G-105 |
0.362 |
2.151 |
NC31 |
4-1/8 |
2 |
9 |
11 |
|||
S-135 |
0.362 |
2.151 |
NC31 |
4-3/8 |
1-5/8 |
9 |
11 |
|||
3-1/2 |
13.30 |
EU |
E-75 |
0.368 |
2.764 |
NC38 |
4-3/4 |
2-11/16 |
10 |
12-1/2 |
X-95 |
0.368 |
2.764 |
NC38 |
5 |
2-9/16 |
10 |
12-1/2 |
|||
G-105 |
0.368 |
2.764 |
NC38 |
5 |
2-7/16 |
10 |
12-1/2 |
|||
S-135 |
0.368 |
2.764 |
NC38 |
5 |
2-1/8 |
10 |
12-1/2 |
|||
15.50 |
EU |
E-75 |
0.449 |
2.602 |
NC38 |
5 |
2-9/16 |
10 |
12-1/2 |
|
X-95 |
0.449 |
2.602 |
NC38 |
5 |
2-7/16 |
10 |
12-1/2 |
|||
G-105 |
0.449 |
2.602 |
NC38 |
5 |
2-1/8 |
10 |
12-1/2 |
|||
S-135 |
0.449 |
2.602 |
NC40 |
5-1/2 |
2-1/4 |
9 |
12 |
|||
4 |
14.00 |
IU |
E-75 |
0.330 |
3.340 |
NC40 |
5-1/4 |
2-13/16 |
9 |
12 |
X-95 |
0.330 |
3.340 |
NC40 |
5-1/4 |
2-11/16 |
9 |
12 |
|||
G-105 |
0.330 |
3.340 |
NC40 |
5-1/2 |
2-7/16 |
9 |
12 |
|||
S-135 |
0.330 |
3.340 |
NC40 |
5-1/2 |
2-7/16 |
9 |
12 |
|||
EU |
E-75 |
0.330 |
3.340 |
NC46 |
6 |
3-1/4 |
9 |
12 |
||
X-95 |
0.330 |
3.340 |
NC46 |
6 |
3-1/4 |
9 |
12 |
|||
G-105 |
0.330 |
3.340 |
NC46 |
6 |
3-1/4 |
9 |
12 |
|||
S-135 |
0.330 |
3.340 |
NC46 |
6 |
3 |
9 |
12 |
|||
15.70 |
IU |
E-75 |
0.380 |
3.240 |
NC40 |
5-1/4 |
2-11/16 |
9 |
12 |
|
X-95 |
0.380 |
3.240 |
NC40 |
5-1/4 |
2-7/16 |
9 |
12 |
|||
G-105 |
0.380 |
3.240 |
NC40 |
5-1/2 |
2-7/16 |
9 |
12 |
|||
S-135 |
0.380 |
3.240 |
NC40 |
5-1/2 |
2 |
9 |
12 |
|||
EU |
E-75 |
0.380 |
3.240 |
NC46 |
6 |
3-1/4 |
9 |
12 |
||
X-95 |
0.380 |
3.240 |
NC46 |
6 |
3-1/4 |
9 |
12 |
|||
G-105 |
0.380 |
3.240 |
NC46 |
6 |
3-1/4 |
9 |
12 |
|||
S-135 |
0.380 |
3.240 |
NC46 |
6 |
3 |
9 |
12 |
|||
4-1/2 |
16.60 |
IEU |
E-75 |
0.337 |
3.826 |
NC46 |
6-1/4 |
3 |
9 |
12 |
X-95 |
0.337 |
3.826 |
NC46 |
6-1/4 |
3-1/4 |
9 |
12 |
|||
G-105 |
0.337 |
3.826 |
NC46 |
6-1/4 |
3 |
9 |
12 |
|||
S-135 |
0.337 |
3.826 |
NC46 |
6-1/4 |
2-3/4 |
9 |
12 |
|||
EU |
E-75 |
0.337 |
3.826 |
NC50 |
6-5/8 |
3-3/4 |
9 |
12 |
||
X-95 |
0.337 |
3.826 |
NC50 |
6-5/8 |
3-3/4 |
9 |
12 |
|||
G-105 |
0.337 |
3.826 |
NC50 |
6-5/8 |
3-3/4 |
9 |
12 |
|||
S-135 |
0.337 |
3.826 |
NC50 |
6-5/8 |
3-1/2 |
9 |
12 |
|||
20.00 |
IEU |
E-75 |
0.430 |
3.640 |
NC46 |
6-1/4 |
3 |
9 |
12 |
|
X-95 |
0.430 |
3.640 |
NC46 |
6-1/4 |
2-3/4 |
9 |
12 |
|||
G-105 |
0.430 |
3.640 |
NC46 |
6-1/4 |
2-1/2 |
9 |
12 |
|||
S-135 |
0.430 |
3.640 |
NC46 |
6-1/4 |
2-1/4 |
9 |
12 |
|||
EU |
E-75 |
0.430 |
3.640 |
NC50 |
6-5/8 |
3-5/8 |
9 |
12 |
||
X-95 |
0.430 |
3.640 |
NC50 |
6-5/8 |
3-1/2 |
9 |
12 |
|||
G-105 |
0.430 |
3.640 |
NC50 |
6-5/8 |
3-1/2 |
9 |
12 |
|||
S-135 |
0.430 |
3.640 |
NC50 |
6-5/8 |
3 |
9 |
12 |
|||
5 |
19.50 |
IEU |
E-75 |
0.362 |
4.276 |
NC50 |
6-5/8 |
3-3/4 |
9 |
12 |
X-95 |
0.362 |
4.276 |
NC50 |
6-5/8 |
3-1/2 |
9 |
12 |
|||
G-105 |
0.362 |
4.276 |
NC50 |
6-5/8 |
3-1/4 |
9 |
12 |
|||
S-135 |
0.362 |
4.276 |
NC50 |
6-5/8 |
2-3/4 |
9 |
12 |
|||
E-75 |
0.362 |
4.276 |
5-1/2 FH |
7 |
3-3/4 |
10 |
12 |
|||
X-95 |
0.362 |
4.276 |
5-1/2 FH |
7 |
3-3/4 |
10 |
12 |
|||
G-105 |
0.362 |
4.276 |
5-1/2 FH |
7 |
3-3/4 |
10 |
12 |
|||
S-135 |
0.362 |
4.276 |
5-1/2 FH |
7-1/4 |
3-1/2 |
10 |
12 |
|||
25.60 |
IEU |
E-75 |
0.500 |
4.000 |
NC50 |
6-5/8 |
3-1/2 |
9 |
12 |
|
X-95 |
0.500 |
4.000 |
NC50 |
6-5/8 |
3 |
9 |
12 |
|||
G-105 |
0.500 |
4.000 |
NC50 |
6-5/8 |
2-3/4 |
9 |
12 |
|||
S-135 |
0.500 |
4.000 |
NC50 |
6-5/8 |
2-3/4 |
9 |
12 |
|||
E-75 |
0.500 |
4.000 |
5-1/2 FH |
7 |
3-1/2 |
10 |
12 |
|||
X-95 |
0.500 |
4.000 |
5-1/2 FH |
7 |
3-1/2 |
10 |
12 |
|||
G-105 |
0.500 |
4.000 |
5-1/2 FH |
7-1/4 |
3-1/2 |
10 |
12 |
|||
S-135 |
0.500 |
4.000 |
5-1/2 FH |
7-1/4 |
3-1/4 |
10 |
12 |
|||
5-1/2 |
21.90 |
IEU |
E-75 |
0.361 |
4.778 |
5-1/2 FH |
7 |
4 |
10 |
12 |
X-95 |
0.361 |
4.778 |
5-1/2 FH |
7 |
3-3/4 |
10 |
12 |
|||
G-105 |
0.361 |
4.778 |
5-1/2 FH |
7-1/4 |
3-1/2 |
10 |
12 |
|||
S-135 |
0.361 |
4.778 |
5-1/2 FH |
7-1/2 |
3 |
10 |
12 |
|||
24.70 |
IEU |
E-75 |
0.415 |
4.670 |
5-1/2 FH |
7 |
4 |
10 |
12 |
|
X-95 |
0.415 |
4.670 |
5-1/2 FH |
7-1/4 |
3-1/2 |
10 |
12 |
|||
G-105 |
0.415 |
4.670 |
5-1/2 FH |
7-1/4 |
3-1/2 |
10 |
12 |
|||
S-135 |
0.415 |
4.670 |
5-1/2 FH |
7-1/2 |
3 |
10 |
12 |
|||
6-5/8 |
25.20 |
IEU |
E-75 |
0.330 |
5.965 |
6-5/8 FH |
8 |
5 |
10 |
13 |
X-95 |
0.330 |
5.965 |
6-5/8 FH |
8 |
5 |
10 |
13 |
|||
G-105 |
0.330 |
5.965 |
6-5/8 FH |
8-1/4 |
4-3/4 |
10 |
13 |
|||
S-135 |
0.330 |
5.965 |
6-5/8 FH |
8-1/2 |
4-1/4 |
10 |
13 |
|||
27.70 |
IEU |
E-75 |
0.362 |
5.901 |
6-5/8 FH |
8 |
5 |
10 |
13 |
|
X-95 |
0.362 |
5.901 |
6-5/8 FH |
8-1/4 |
4-3/4 |
10 |
13 |
|||
G-105 |
0.362 |
5.901 |
6-5/8 FH |
8-1/4 |
4-3/4 |
10 |
13 |
|||
S-135 |
0.362 |
5.901 |
6-5/8 FH |
8-1/2 |
4-1/4 |
10 |
13 |
Casing Pup joint Specification | |
---|---|
OD | 4.25' - 20' nomial size OD |
Weight | Standard weight or Heavy |
Lenght | 2 - 20 ft and custom sizes vaialable |
Connections | LC STC BC and leading brand Premium connections available |
Tubing Pup Joint Specification | |
---|---|
OD | 0.75' - 4.5' nominal size OD |
Weight | Standard or Heavy |
Lenghts | 2 3 4 6 8 10 12ft (custom lenghts available). |
Grades | J-5,5 N-80, N80Q & T, L-10, P-110. |
Connections | EUE NUE Butress and Premium available in leading brands. |
Drill Collars Specifications |
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