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Chelpipe Prime premium threaded connections

ChelPipe Group supplies oil and gas pipes with ChelPipe Prime gas-tight threaded connections, ChelPipe’s own development.

Unique technology

The threaded connections are produced with unique technology and high-precision equipment at the Pervouralsk New Pipe Plant and facilities of other licensed third-party manufacturers.

The company also offers after-sales make-up support at wells.

Premium threaded connection

Sealing

Sealing

The patented seal design ensures stable performance under any combined loads.

Strength

Strength

High compressive strength is achieved with an optimised buttress thread and a reduced gap between stabbing flanks on the nipple and coupling thread. ChelPipe Prime connections outperform TOP VAM and JFE BEAR competitors in terms of permissible loads.

Make-up

Make-up

Easy and fast make-up thanks to a strong coarse-pitch thread and a steep taper angle for deep stabbing; a high maximum make-up torque.

Pipes with special properties

ChelPipe Group provides a wide range of tubing and casing pipes with special properties for applications under extreme conditions such as low temperatures or corrosive environments.

Cold-resistant (low temperature, LT) pipes

Developed for use in oil and gas fields of Siberia, the Russian Far North and Arctic regions, pipes are manufactured from metals with high ductility and impact toughness at low temperatures. Metals are tested using Charpy impact test at -60°C with measurements of the share of ductile fracture in the sample fracture. LT is an additional indication of cold-resistant steel grades.

Sour gas resistant pipes (S/SS)

Developed for oil and gas operations in sour environments, pipes are manufactured from metals resistant to sulfiede stress cracking (SSC) proven by NACE TM0177 tests. The threshold stress intensity factor for metal tests is selected depending on H2S partial pressure.

CO2/H2S resistant pipes (C/CS)

Developed for oil and gas operations in CO2/H2S environments, pipes are manufactured from metals that are resistant not only to H2S, but also to CO2/H2S corrosion, local or general, proven by tests in CO2 environments.

01

Select the premium threaded connection

6 items
Pipe type
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30m/100ft bend
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Pipe body strength
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T100

T100

Gas-tight tubing coupling connection with a patented cone-to-cone seal.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
60%
Dogleg severity
up 40°/100ft (depending on type and size)
Application
Tubing string – Production casing – Liners – Shanks – Water injection – Steam-injection wells
T100NV

T100NV

Gas-tight tubing coupling connection with a patented cone-to-cone seal. Modification of T100 threaded connection compatible with VAGT / New Vam thread.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
60% of pipe body (depending on type and size)
Dogleg severity
up to 40°/100ft
Application
Tubing string – Production casing – Liners – Shanks – Water injection – Steam-injection wells
T230

T230

High-tightness tubing coupling connection with a patented cone-to-cone seal.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
60% of pipe body (depending on type and size)
Dogleg severity
up to 52°/100ft (depending on type and size)
Application
Tubing string – Production casing – Liners – Shanks – Water injection – Steam-injection wells
S100

S100

High-tightness casing coupling connection with a patented cone-to-cone seal.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
50–60% of pipe body
Dogleg severity
up to 20°/100ft (depending on type and size)
Application
Tubing string – Production casing – Liners – Shanks – Thick-walled production casing – Thick-walled intermediate casing – Water injection – Steam-injection wells
S100NT

S100NT

Gas-tight casing coupling connection with a patented cone-to-cone seal. It is a modification of S100 threaded connection with an increased maximum make-up torque.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
70% of pipe body (depending on type and size)
Dogleg severity
up to 20°/100ft (depending on type and size)
Application
Production casing – Liners – Shanks – Thick-walled production casing – Thick-walled intermediate casing – Rotation while cementing – Water injection – Steam-injection wells
S230

S230

High-tightness casing coupling connection with a patented contoured seal. The innovative seal design combined with a buttress thread ensures high tightness of connection under combined loads. The design of the nipple nozzle ensures high radial stiffness guaranteeing tightness when extreme tension is present (even in the event of unlocking) and high pipe body yield strength.


Performance data
External pressure
100% (API5C3)
Internal pressure
100%
Tension
100%
Compression
100%
Dogleg severity
up to 52°/100ft
Application
Tubing string – Production casing – Liners – Shanks – Thick-walled production casing – Thick-walled intermediate casing – Rotation while cementing – Water injection – Steam-injection wells
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