API 5CT K55 R3 Casing Tube, SMLS, 2-3/8, 2-7/8, 3-1/2 Inch

API 5CT K55 R3 Casing Tube, SMLS, 2-3/8, 2-7/8, 3-1/2 Inch

Key Specifications / Features

API 5CT K55 R3 Casing Tube Supplier: API 5CT K55 Casing Tubing, R3, OD 2-3/8, 2-7/8, 3-1/2 Inch, J55, N80, N80-1, N80-Q, L80, P110, Screw Thread NUE, EUE.

Categories: Casing Tube

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Detail Information

API 5CT K55 R3 Casing Oil Tubing

Available Sizes: 2 3/8", 2 7/8" and 3 1/2".
Grades: J55, J55-FBNAU, N80, L80, P110.
Tubing: 1 1/4" – 2 1/16" Nom.     
Standards: API SPEC 5CT.
Model in Common Use: 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2".     
Length Range: R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m).     
Steel Grade (Casing Grades, Tubing Grades): J55, K55, N80-1, N80-Q, L80, P110.
Type of Screw Thread: Non upset threaded end(NUE), External upset threaded end(EUE).     

Casing is a series of steel pipes that are run into a drilled oil well to stabilize the well, keep contaminants and water out of the oil stream, and prevent oil from leaching into the groundwater. Casing is installed in layers, in sections of decreasing diameter that are joined together to form casing strings. The five types of casing string are conductor casing, surface casing, intermediate casing, casing liner, and production casing.

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