Casing pipes

The casing is used in oil and gas industry as a part of casing string in the drilling of oil and gas wells. A string is used for borehole casing, pay horizon isolation in production, and is constructed from casing tubes by consecutive make-up. 

Casing and Coupling. Size range is 4.1/2” (114.3 mm) to 13.5/8” (273 mm) under GOST 632, API Spec 5СТ. Grades are J55, K55, M65, N80, L80, C90, C95, T95, P110 under API, or Д, Е, К, Л, М under GOST standard. 


Service Manual in PDF

 

Pipe Mill of Pavlodar Subsidiary of KSP Steel LLP

Casing and coupling:

GOST 632-80

Grades: Д, К, Е, Л, М, Р, T

Specification for Casing and Casing Coupling

 

 

 

 

 

 

 

 

 

 

 

 

 

Type of threaded connection: ОТТМ

Design: А, Б

Pipe size, mm

Nominal Diameter

Wall Thickness, mm

Length, m

Ø114

5.2-10.2

8.0-12.0

Ø 127

6.0-10.2

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Ø 140

6.2-10.5

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Ø 146

6.5-10.7

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Ø 168

7.3-12.1

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Ø 178

5.9-15

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Ø 194

7.6-15.1

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Ø 219

6.7-14.2

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Ø 245

7.9-15.9

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Ø 273

7.1-16.5

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