Tubing couplings and adapters. Rod couplings

Tubing coupling  is intended to make tubing connections. Tubing couplings are used for gases and liquids and to perform hoisting and workover operations.
Tubing couplings are made of seamless hot-rolled pipes.

Tubing adapters provide connection with each other of tubing pieces with different diameters as well as wellbore equipment that has connecting ends with tubing thread of oil and gas wells.

Combinations of threaded elements for the adapters are made of the following types:

- transitional (coupling-nipple);

- coupling (coupling-coupling);

- nipple (nipple-nipple).

A rod coupling or rod connection is included in the rods string, used to connect the rod pieces with an internal threaded connection. The rod coupling is manufactured in accordance with the standards of GOST R 51161-2002, GOST 13877-96; API Spec 11B;

Couplings manufactured: MSh19, MSh22, MSh25.

Couplings are divided into 3 groups depending on necessary for the customer heat treatment type and wear-resistant coating on the outer surface.

Groups of produced couplings according to GOST R 51161-2002: N, T, P.

N - annealing (allows to obtain a homogeneous metal structure).
T - Hardening of the coupling outer surface by the HFC method, allows to increase the hardness of the surface thereby increase the wear resistance of the coupling surface.
P - Coating, special alloy (based on nickel, cobalt, carbide-tungsten materials) is applied to the coupling surface by the method of plasma-powder surfacing.

Type of manufactured couplings according to GOST 13877-96 or Spec API 11B: T, S, SM.


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Tubing adapter GOST 23979-80

P 60*В48

P 73*В48

P В73*73

P 89*73

P 102*73

P 114*В73

P 114*В102

P 60*48

P 73*48

P 73*89

P В89*В73

P В102*В73

P 114*73

P 114*102

P В60*В48

P В73*В48

P73*114

P В89*73

P В102*73

P В114*В73

P В114*В102

P В60*48

P В73*48

P 89*В60

P В89*89

P 102*В89

P В114*73

P В114*102

P В60*60

P 73*В60

P 89*60

P 89*В89

P 102*89

P 114*В89

P В114*114

P В60*В60

P-73*60

P В89*В60

P 89*114

P В102*В89

P 114*89

 

P 60*73

P В73*В60

P В89*60

P 102*В60

P В102*89

P В114*В89

 

P 60*89

P В73*60

P 89*В73

P 102*В73

P В102*102

P В114*89

 

Adapters for the drill string GOST 7360-82, TU 36-2328-80

 

Couplings

М-76/66

М-76/101

М-88/101

М-88/152

М-117/147

М-133/88

М-76/76

М-76/117

М-88/117

М-88/171

М-121/152

М-133/147

М-76-86

М-76/121

М-88/121

М-88/177

М-121/171

М-147/177

М-76/88

М-88/86

М-88147

М-117/121

М-121/177

М-152/147

Adapters

P-76/76

P-86/88

P-101/88

P-108/102

P-121/133

P-133/88

P-76/86

P-86/101

P-101/102

P-108/117

P-121/147

P-133/101

P-76/88

P-86/102

P-101/117

P-108/121

P-121/152

P-133/102

P-76/101

P-88/76

P-102/86

P-117/121

P-121/161

P-133/108

P-76/102

P-88/86

P-102/88

P-117/133

P-121/171

P-133/117

P-76/121

P-88/88

P-102/101

P-117/147

P-122/101

P-113/121

P-76/147

P-88/101

P-102/102

P-121/86

P-122/102

P-133-122

P-76/152

P-88/117

P-102/117

P-121/101

P-122/108

P-133/140

P-86/66

P-88/121

P-102/121

P-121/102

P-122/117

P-133/147

P-86/73

P-88/147

P-102/133

P-121/108

P-122/121

P-133/152

P-86/76

P-88/152

P-108/88

P-121/121

P-122/133

P-133/161

P-86/86

P-88/171

P-108/101

P-121/122

P-122/147

P-147/117

Nipple

N-76/76

N-102/102

N-121/171

N-147/147

N-152/88

N-171/177

N-88/88

N-121/121

N-147/86

N-147/152

N-152/88

 

N-101/171

N-121/147

N-147/88

N-147/171

N-152/152

 

Adapters for casing OST 39-137-81, TU 36-2328-80

PO-114U*114K

PO-140U*140K

PO-168U*168K

PO-127U*127K

PO-146U*146K

PO-178U*178K

Adapters for casing pipes with locking threads OST 39-049-77

P-З-62/114

P-З-88/114

P-З-88/140

P-З-88/168

P-З-88/178

P-З-147/178

P-З-76/114

P-З-88/127

P-З-88/146

P-З-147/168

P-З-88/194

P-З-147/194

On the customer request, the adapters can be manufactured of different sizes.






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