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API 5CT PSL1 PSL2 Seamless Oil Well Casing Pipe Alloy Steel Pipe STC BTC LTC
Casing pipe description:
Casing pipe is the major structural component of a well. The API 5CT Casing pipe is a large-diameter
steel pipe that serves as the structural retainer for the walls of oil and gas wells, and typically held into
place with cement.
API 5CT casing is inserted into a well bore and cemented in place to protect both subsurface formations
and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.
The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors,
and setting depth is a primary engineering and economic consideration.
Features:
1. OCTG pipe
2. BTC, LTC, STC threads
3. PSL1,PSL2 in API 5CT
Technical specifications:
| Steel grade : | P110 |
| Out Diameter: | 4 1/2" |
| Wall Thickness: | 5.21-8.56mm |
| Length:: | R3 |
| Standards: | API 5CT |
| Application: | Oil well wall cementing |
| Packing: | By steel strap or packing frame |
Mechanical properties:
| Standard | Steel Grade | Tensile Strength(MPa) | Yield strength(MPa) | Elongation(%) | Hardness |
| API 5CT | J55 | ≥517 | 379~552 | As API 5CT | |
| K55 | ≥655 | 379~552 | |||
| N80 | ≥689 | 552~758 | |||
| L80(13Cr) | ≥655 | 552~655 | ≤241HB | ||
| P110 | ≥862 | 758~965 |
