Description

Diameter :from 4 1/2 inch to 20 inch （48.26mm – 508mm) ( Casing)

Size: OD: 48.26mm-114.3mm ( Tubing)
Nominal Weight: from 9.5 lb/ft to 169 lb/ft, from 9.5 ppf to 169 ppf
Lenght: R1, R2, R3

Grades of casing pipe:

• API 5CT H40
• API 5CT J55
• API 5CT K55
• API 5CT M65
• API 5CT N80 (1,Q)
• API 5CT L80 (9Cr,13Cr)
• API 5CT C90
• API 5CT T95
• API 5CT P110
• API 5CT Q125

Sizes of casing pipe:
Casing pipe diameter: from 4 1/2 inch to 20 inch （48.26mm – 508mm)
Casing pipe nominal weight: from 9.5 lb/ft to 169 lb/ft, from 9.5 ppf to 169 ppf
Casing pipe lenght: R1, R2, R3

Types of casing pipe:
Seamless casing pipe (small-diameter, medium-diameter)
ERW casing (medium-diameter)
Casing pup joint
Casing coupling

Applications of casing pipe:

oil well extracting casing
borehole casing
borewell casing

Connections of casing pipe
API 5CT is applicable to following connections which complied with API SPEC 5B:
• SC: Short round thread casing
• LC: Long ound thread casing
• BC: Buttress thread casing
• NU: Non-upset tubing
• EU: External upset tubing
• IJ: Integral tubing connections