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|
Tubing Pipe Outside Diameter（mm） |
Coupling Outside Diameter(mm) |
Minimum Length(mm) |
Diameter Of Recess(mm) |
Width of Bearing Face Regular (mm) |
Max Bearing Face Diameter (mm) |
Mass(Kg) |
||||||||||
|
NUE |
EUE |
NUE |
EUE |
NUE |
EUE |
NUE |
EUE |
NUE |
EUE |
NUE |
EUE |
|||||
|
Regular |
Special Clearance |
Regular with special bevel |
Special Clearance |
Regular |
Special Clearance |
|||||||||||
|
1.9 |
48.26 |
55.88 |
63.50 |
-- |
95.25 |
98.42 |
49.86 |
54.76 |
1.59 |
3.18 |
52.07 |
58.34 |
-- |
0.56 |
0.84 |
-- |
|
2 3/8 |
60.32 |
73.02 |
77.80 |
73.91 |
107.95 |
123.82 |
61.93 |
67.46 |
4.76 |
3.97 |
66.68 |
71.83 |
69.90 |
1.28 |
1.55 |
1.07 |
|
2 7/8 |
73.02 |
88.90 |
93.17 |
87.88 |
130.18 |
133.35 |
74.63 |
80.16 |
4.76 |
5.56 |
80.98 |
85.88 |
83.24 |
2.34 |
2.40 |
1.55 |
|
3 1/2 |
88.90 |
107.95 |
114.30 |
106.17 |
142.88 |
146.05 |
90.50 |
96.85 |
4.76 |
6.35 |
98.42 |
104.78 |
100.71 |
3.71 |
4.10 |
2.38 |
|
4 |
101.60 |
120.65 |
127.00 |
-- |
146.05 |
152.40 |
103.20 |
109.55 |
4.76 |
6.35 |
111.12 |
117.48 |
-- |
4.35 |
4.82 |
-- |
|
4 1/2 |
114.30 |
132.08 |
141.30 |
-- |
155.58 |
158.75 |
115.90 |
122.25 |
4.76 |
6.35 |
123.19 |
130.96 |
-- |
4.89 |
6.05 |
-- |
Casing coupling is for the dimensions more than 4 1/2 inch. Differently than tubing coupling is, casing coupling normally does not need to be thickened (Non-upset), which means no upset casing coupling, so it has following types:
Round thread • LTC/LC: Long round thread casing coupling
• STC/SC: Short round thread casing coupling
Buttress thread • BTC/BC: Buttress thread casing coupling
All three types has same thickness of the casing pipe body, just have different lengths.
|
Casing Pipe Outside Diameter（In） |
Casing Pipe Outside Diameter（mm） |
Coupling Outside Diameter(mm) |
Minimum Length(mm) |
Diameter Of Recess(mm) |
Width of Bearing Face Regular (mm) |
Mass(Kg) |
|||||||||
|
Round /STC) |
BTC |
Round |
BTC |
Round (LTC/ STC) |
BTC |
Round (LTC/ STC) |
BTC |
Round |
BTC |
||||||
|
Regular |
Special Clearance |
STC |
LTC |
STC |
LTC |
Regular |
Special Clearance |
||||||||
|
4 1/2 |
114.30 |
133.35 |
133.35 |
123.82 |
158.75 |
177.80 |
225.42 |
116.68 |
117.86 |
7.14 |
6.35 |
5.24 |
5.96 |
6.89 |
3.48 |
|
5 |
127.00 |
147.32 |
147.32 |
136.52 |
165.10 |
196.85 |
231.78 |
129.38 |
130.56 |
7.14 |
7.14 |
6.43 |
7.86 |
8.38 |
4.00 |
|
5 1/2 |
139.70 |
160.02 |
160.02 |
149.22 |
171.45 |
203.20 |
234.95 |
142.08 |
143.26 |
6.35 |
7.14 |
7.34 |
8.92 |
9.30 |
4.47 |
|
6 5/8 |
168.28 |
187.71 |
187.71 |
177.80 |
184.15 |
222.25 |
244.48 |
170.66 |
171.83 |
6.35 |
6.35 |
9.12 |
11.34 |
11.01 |
5.65 |
|
7 |
177.80 |
200.03 |
200.03 |
187.32 |
184.15 |
228.60 |
254.00 |
180.18 |
181.36 |
7.94 |
7.94 |
10.88 |
13.92 |
13.98 |
6.28 |
|
7 5/8 |
193.68 |
215.90 |
215.90 |
206.38 |
190.50 |
234.95 |
263.52 |
197.64 |
197.23 |
5.56 |
7.94 |
12.16 |
15.63 |
15.82 |
9.29 |
|
8 5/8 |
219.08 |
244.48 |
244.48 |
231.78 |
196.85 |
254.00 |
269.88 |
223.04 |
222.63 |
6.35 |
9.52 |
15.62 |
21.67 |
20.86 |
10.80 |
|
9 5/8 |
244.48 |
269.88 |
269.88 |
257.18 |
196.85 |
266.70 |
269.88 |
248.44 |
248.03 |
6.35 |
9.52 |
17.85 |
25.45 |
23.16 |
12.02 |
|
10 3/4 |
273.05 |
298.45 |
298.45 |
285.75 |
203.20 |
-- |
269.88 |
277.02 |
276.61 |
6.35 |
9.52 |
20.58 |
-- |
25.74 |
13.39 |
|
11 3/4 |
298.45 |
323.85 |
323.85 |
-- |
203.20 |
-- |
269.88 |
302.42 |
302.01 |
6.35 |
9.52 |
22.43 |
-- |
28.03 |
-- |
|
13 3/8 |
339.72 |
365.12 |
365.12 |
-- |
203.20 |
-- |
269.88 |
343.69 |
343.28 |
5.56 |
9.52 |
25.42 |
-- |
31.77 |
-- |
|
16 |
406.40 |
431.80 |
431.80 |
-- |
228.60 |
-- |
269.88 |
411.96 |
410.31 |
5.56 |
9.52 |
34.33 |
-- |
40.28 |
-- |
|
18 5/8 |
473.08 |
508.00 |
508.00 |
-- |
228.60 |
-- |
269.88 |
478.63 |
476.99 |
5.56 |
9.52 |
53.33 |
-- |
62.68 |
-- |
|
20 |
508.00 |
533.40 |
533.40 |
-- |
228.60 |
292.10 |
269.88 |
513.56 |
511.91 |
5.56 |
9.52 |
42.81 |
56.98 |
50.10 |
-- |
API Tubing and Casing Pup Joint
Tubing and Casing Pup Joints are machined according to the latest version of API Spec 5CT. It’s used to connect two pipes of same diameter with the same types of thread on the two ends.
The Steel Grade includes J55,K55,N80-1, N80Q, L80-1, P110 etc.
There are two types of thread widely used in Tubing pup joint:Non-upset Thread(NUE) and External-upset Thread(EUE)
There are three types of thread widely used in Casing pup joint: Long-Round Thread(LTC), Short-Round Thread(STC),Buttress Thread(BTC)
There are two types of End thread: Pin*Pin, Pin*Box(Pin*Pin with coupling)
|
OD |
Standard |
Length |
Connection |
Steel Grade |
|
2 3/8”-4 1/2” |
API 5CT |
Customized |
NUE/EUE |
J55/K55/N80/L80/P110 |
|
4 1/2”-20” |
API 5CT |
Customized |
LTC/STC/BTC |
J55/K55/N80/L80/P110 |
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Main Product:
Tubing&Casing Coupling,
API 5CT PUP Joint,
X-over Crossover,
Down Hole Tools,
Cementing Tools,
Sucker Rod Couplings
