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Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling
Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling

Short Thread/ Long Thread Casing Coupling Buttress Thread Casing Coupling

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Product Overview

Description



Product Description










The API coupling for tubing and casing pipes


Size：1.315”-20”
Steel Grade：J55,K55,N80,L80,D10,P110,80S, 110S, Q125, L80-13Cr/ 13Cr etc;
Thread Type：NUE,EUE,SC,LTC,BTC and all kinds of premium connection and high performance thread etc;
Standard：API 5CT & API 5B
Surface : phosphating, Blackening, Zinating, Nitriding, sandblasting, copper plating and so on.
Packing: wooden case, carton cases, wooden pallets


The API coupling for tubing and casing pipes
Size and Specifications For Tubing and Casing Couplings
Description and size
Type of Thread
O.D*L(mm)
Weight(kg)
Tubing Coupling
1.050
NUE
33.35*80.96
0.23
1.050
EUE
42.16*82.55
0.38
1.315
NUE
42.16-82.55
0.38
1.315
EUE
48.26*88.90
0.57
1.660
NUE
52.17*88.90
0.59
1.660
EUE
58.88*95.25
0.68
1.900
NUE
55.88*95.25
0.56
1.900
EUE
63.50*98.42
0.84
2-3/8”
NUE
73.02*107.95
1.28
2-3/8”
EUE
77.80*132.82
1.55
2-7/8”
NUE
88.90*130.18
2.34
2-7/8”
EUE
93.17*133.35
2.40
3-1/2”
NUE
107.95*142.88
3.71
3-1/2”
EUE
114.30*146.05
4.10
4”
NUE
120.65*146.05
4.35
4”
EUE
127.00*152.40
4.82
4-1/2”
NUE
132.08*155.58
4.89
4-1/2”
EUE
141.30*158.75
6.05
Casing Coupling
4-1/2”
STC
127.00*158.75
5.23
4-1/2”
LTC
127.00*177.80
4.15
4-1/2”
BTC
127.00*225.42
4.55
5”
STC
141.30*165.10
4.66
5”
LTC
141.30*196.85
5.75
5”
BTC
141.30*231.78
5.85
5-1/2”
STC
153.67*171.45
5.23
5-1/2”
LTC
153.67*203.20
6.42
5-1/2”
BTC
153.67*234.95
6.36
6-5/8”
STC
187.71*184.15
9.12
6-5/8”
LTC
187.71*222.25
11.34
6-5/8”
BTC
187.71*224.48
11.01
7”
STC
194.46*184.15
8.39
7”
LTC
194.46*228.60
10.83
7”
BTC
194.46*254.00
10.54
7-5/8”
STC
215.90*190.50
12.30
7-5/8”
LTC
215.90*234.95
45.63
7-5/8”
BTC
215.90*263.52
15.82
8-5/8”
STC
244.48*196.85
16.23
8-5/8”
LTC
244.48*254.00
21.67
8-5/8”
BTC
244.48*269.88
20.86
9-5/8”
STC
269.88*196.85
18.03
9-5/8”
LTC
269.88*266.70
25.45
9-5/8”
BTC
269.88*269.88
23.16
10-3/4”
STC
298.45*203.20
20.78
10-3/4”
BTC
298.45*269.88
25.74
11-3/4”
STC
323.85*203.20
22.64
11-3/4”
BTC
323.85*269.88
28.03
13-3/8”
STC
365.12*203.20
25.66
13-3/8”
BTC
365.12*269.88
31.77
16”
STC
431.80*228.6
34.91
16”
BTC
431.80*569.88
40.28
18-5/8”
STC
508.00*228.60
51.01
18-5/8”
BTC
508.00*269.88
62.68
20”
STC
533.40*228.6
43.42
20”
LTC
533.4*292.10
57.04
20”
BTC
533.40*269.88
50.10



Pup Joint & Cross Over

Size：1.315”-20”
Steel Grade：J55,K55,N80,L80,P110,Q125,L80-13Cr etc.;
Thread Type：NUE,EUE,SC,LTC,BTC and all kinds of premium connection and high performance thread etc.;
Length:2ft, 4ft, 6ft, 8ft, 10ft--20ft etc., it can also be processed according to customer requirements
Standard：API 5CT & API 5B.



API 5CT Casing

Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or wellbore. It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.

Standard：API Spec 5CT /ISO 11960；
Size：4-1/2”-20”；
Steel Grade：J55,K55,M80,L80,C90,T95,P110,V150,13Cr-80/110,28Cr-80/110
Thread Type：STC,LTC,BTC,TPCO series,Vam series,Hydril series,Hunting series,and Tenaris series ,etc;
Length：R1, R2, R3.



Specification


Outer Diameter
Weight per meter
Kg/m
#Lb/ft
Grade
Thread
Length
in
mm
Weight per meter
Kg/m
4 1/2’’
114.3
14.14-22.47
9.50-15.10
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
5’’
127
17.11-35.86
11.50-24.10
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
5 1/2’’
139.7
20.83-34.23
14.00-23.00
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
6 5/8’’
168.28
29.76-35.72
20.00-24.00
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
7’’
177.8
25.30-56.55
17.00-38.00
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
7 5/8’’
193.68
35.72-63.69
24.00-42.80
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
8 5/8’’
219.08
35.72-72.92
24.00-49.00
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
9 5/8’’
244.48
48.07-86.91
32.30-58.40
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3
10 3/4’’
273.05
48.73-97.77
32.75-65.70
J55/N80/
P110/K55
STC/BTC
R1/R2/R3
11 3/4’’
298.45
62.50-89.29
42.00-60.00
J55/N80/
P110/K55
STC/BTC
R1/R2/R3
13 3/8’’
339.72
71.43-107.15
48.00-72.00
J55/N80/
P110/K55
STC/BTC
R1/R2/R3
16’’
406.40
96.73-162.21
65.00-109.00
J55/N80/
P110/K55
STC/BTC
R1/R2/R3
18-5/8’’
473.08
130.21
87.50
J55/N80/
P110/K55
STC/BTC
R1/R2/R3
20’’
508
139.89-197.93
94.00-133.00
J55/N80/
P110/K55
LTC/STC/BTC
R1/R2/R3




API 5CT Tubing

Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete. It is made to withstand the pressure generated from the extraction process

Standard：API Spec 5CT /ISO 11960；
Size：4-1/2”-20”；
Steel Grade：J55,K55,M80,L80,C90,T95,P110,V150,13Cr-80/110,28Cr-80/110
Thread Type：STC,LTC,BTC,TPCO series,Vam series,Hydril series,Hunting series,and Tenaris series ,etc;
Length：R1, R2, R3.


O.D.
Nominal mass
O.D.
W.T.
Nominal weight(kg/m)
Threaded and coupled
In.
mm
In.
mm
Threaded and coupled
NUE
EUE
NUE
EUE
2 3/8’’
4.00
-
2.375
60.32
0.169
4.24
5.95
-
4.60
4.70
2.375
60.32
0.190
4.83
6.85
6.99
5.80
5.95
2.375
60.32
0.254
6.45
8.63
8.85
6.60
-
2.375
60.32
0.295
7.49
9.82
-
7.35
7.45
2.375
60.32
0.336
8.53
10.94
11.09
2 7/8’’
6.40
6.50
2.375
73.02
0.217
5.51
9.52
9.67
6.80
7.90
2.375
73.02
0.276
7.01
11.61
11.76
8.60
8.70
2.375
73.02
0.308
7.82
12.8
12.95
9.35
9.45
2.375
73.02
0.340
8.64
13.91
14.06
10.50
-
2.375
73.02
0.392
9.96
15.63
-
11.50
-
2.375
73.02
0.440
11.18
17.11
-
3 1/2’’
7.70
-
3.500
88.90
0.216
5.49
11.46
-
9.20
9.30
3.500
88.90
0.254
6.45
13.69
13.84
10.20
-
3.500
88.90
0.289
7.34
15.18
-
12.70
12.95
3.500
88.90
0.375
9.52
18.90
19.27
14.30
-
3.500
88.90
0.430
10.92
21.28
-
15.50
-
3.500
88.90
0.476
12.09
23.07
-
17.00
-
3.500
88.90
0.530
13.46
25.30
-
4’’
9.50
-
4.000
101.60
0.226
5.74
14.14
-
10.70
11.00
4.000
101.60
0.262
6.65
-
16.37
13.20
-
4.000
101.60
0.330
8.38
19.64
-
16.10
-
4.000
101.60
0.415
10.54
23.96
-
18.90
-
4.000
101.60
0.500
12.70
28.13
-
22.20
-
4.000
101.60
0.610
15.49
33.04
-
4 1/2’’
12.60
12.75
4.500
114.30
0.271
6.88
18.75
18.97
15.20
-
4.500
114.30
0.337
8.56
22.62
-
17.00
-
4.500
114.30
0.380
9.65
25.30
-
18.90
-
4.500
114.30
0.430
10.92
28.13
-
21.50
-
4.500
114.30
0.500
12.70
32.00
-
23.70
-
4.500
114.30
0.560
14.22
35.27
-
26.10
-
4.500
114.30
0.630
16.00
38.84
-


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Alina Tian
MB&Wechat&WhatsApp: +86 13356918814
----------------------------------------------------------------------------
Yantai Zhenwei Machinery Equipments Co.Ltd.
TEL: +86 535 2102881 FAX: +86 535 2102881
Email: sales(at)ytzhenwei.com ; Web:www.ytzhenwei.com


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