Casing pipes and pup joints

The small-scale production of casing pipes and their landing joints on the basis of seamless and electric-welded pipes of various steel types, including a high-tensile one.

Steel grade: different steel grade.

Screw joints types: Trapezoidal, triangular, buttress thread and others.

Basic technical operations:

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Thread cutting at the ends of pipes with an outer diameter from 102 to 245 mm

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Coupling screwing-on with an outer diameter from 102 to 245 mm on a specialized machine with a thread tightening control

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Hydrostatic testing of a pipe from 1.0 to 13.0 m in length with an outer diameter from 102 to 250 mm assembled with a coupling for sealing with a computer system for collecting and storing information; the maximum proof pressure is 75 MPa

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Coating, indicating and palletizing of pipes

Basic dimensions of casing pipes:

Outer
diameter, mm
Wall thickness, mm Length, m
102,0 6,5 from 1 до 13
114,0 6,4; 7,4; 8,6
146,1 6,5; 7,0; 7,7; 8,5; 9,5; 10,5; 10,7
168,3 7,3; 8,0; 8,9; 10,6
177,8 6,9; 8,1; 9,2; 10,4
244,5 7,0; 7,3; 7,9; 8,9; 10,0

Pipes production is carried out in accordance with GOST R 53366-2009 and Specification 1321-003-63459751-2015751-2015 on the basis of collected quality certificates.