API tubing coupling /casing sub/ drill pipe tool joint crossover sub

Description

Drill pipe tool joint is an important connecting component of petroleum drilling pipe drill, which is widely used in oil drilling industry. The market demand is big, has broad prospects for development, Goldenman company with its unique perspective, to create a modern international joint industry as the goal, take on the hard road of entrepreneurship. In the increasingly competitive market economy situation, the courage to struggle and thrive.

Tubing coupling

1:Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50
2:Type of Tool joint: NC, IF, FH, XH, REG
3:Material: 40Cr, 35CrMo, 4137H
Tool joints are short sections of pipe that are attached to the tubing portion of drill pipe by means of using a flash welding process. The internally threaded tool joint is called a “box”, while the externally threaded tool joint if the “pin”.

Tubing coupling Technical Parameters:
Grade
Internal, external thread joint diameter
The inner diameter of the joint
Internal and external threads, shoulder joint chamfer diameter
Outside screw clamp space joint
Inside screw thread clamp space joint
Internal, external thread joint welding neck diameter
E75
85.7
44.45
82.95
177.8
203.2
65.09
X95
85.7
44.45
82.95
177.8
203.2
65.09
G105
85.7
44.45
82.95
177.8
203.2
65.09
E75
104.8
53.98
100.41
177.8
228.6
80.96
X95
104.8
50.8
100.41
177.8
228.6
80.96
G105
104.8
50.8
100.41
177.8
228.6
80.96
S135
111.1
41.28
100.41
177.8
228.6
80.96
E75
120.7
76.2
116.28
203.2
266.7
98.43
E75
120.7
68.26
116.28
203.2
266.7
98.43
X95
127
65.09
116.28
203.2
266.7
98.43
G105
127
61.91
116.28
203.2
266.7
98.43
S135
127
53.98
116.28
203.2
266.7
98.43
E75
127
65.09
116.28
203.2
266.7
98.43
X95
127
61.91
116.28
203.2
266.7
98.43
G105
127
53.98
116.28
203.2
266.7
98.43
S135
139.7
57.15
127.4
177.8
254
98.43
E75
133.4
71.44
127.4
177.8
254
106.36
X95
133.4
68.26
127.4
177.8
254
106.36
G105
139.7
61.91
127.4
177.8
254
106.36
S135
139.7
50.8
127.4
177.8
254
106.36
E75
152.4
82.55
145.26
177.8
254
114.3
X95
154.4
82.55
145.26
177.8
254
114.3
G105
152.4
82.55
145.26
177.8
254
114.3
S135
152.4
76.2
145.26
177.8
254
114.3
E75
152.4
85.73
145.26
177.8
254
119.06
E75
158.8
85.22
145.26
177.8
254
119.06
X95
158.8
76.2
145.26
177.8
254
119.06
G105
158.8
76.2
145.26
177.8
254
119.06
S135
158.8
69.85
145.26
177.8
254
119.06

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