Pup Joints

A pup joint is a pipe of non-standard length. API 5CT pup joints are used to adjust the height of full-length tubing or casing strings to exact requirements and to adjust the depth of downhole tools. They are also applied to adjust the depth of downhole tools. Central Steel can customize any length of the pup joint as our customer required.

Material Options

Tubing per API 5CT, Grades J-55, N-80 & L-80

Finish Options – External Surfaces

Rust Inhibiting Paint per API 5CT

• J55 - Green
• J80 - Red with Green Stripe
• L80 - Red with Brown Stripe
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Finish Options – Internal Surfaces

• Scotchkote 134
• Corvel 1660
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Benefits of Pup Joints:

Pup Joints are a mandatory part of equipment in almost any well. Due to their shorter length, they are typically easier to handle and to use. At the same time, they provide the same performance as the tubing/casing/drill pipe that they are attached to.

Casing Pup Joints:

Casing Pup Joints: OD 4-1/2 in–13-3/8 in; 

typical lengths 1, 2, 3, 4, 6, 8, 10 and 12 ft; 

grades H40, J55, K55, N80, L80, T95, C110 and P110; 

connections SC, LC, BC, semi-premium and premium. 

Other grades available on request.

Tubing Pup Joints:

Tubing Pup Joints: Sizes 2-3/8 in–4-1/2 in; 

typical lengths 1, 2, 3, 4, 6, 8, 10 and 12 ft; 

grades J55, N80, L80 and P110; 

connections EU (external-upset) and NU (non-upset).

Advantages:
1. API SPEC 5CT pup joints are tubing with short length, and are used for spacing out downhole assemblies, as well as handling tubing accessories.
2. With our sophisticated manufacturing facility, we produce these joints by using high grade raw materials (which are sourced from vendors of high repute) and cutting edge technology to ensure their sturdy design and longer functionality.
3. API SPEC 5CT pup joints can be ordered individually or in set.
4. Checking these OCTG pup joints with the assistance of quality controllers guarantees their resistance against abrasion and longer service life.
5. Locating on site gives the operator the flexibility of adjusting location depths of downhole assemblies, such as spacing out tubing hanger when sealing.

Features:
1. API SPEC 5CT pup joints manufactured by Central Steel are available in both API and proprietary grades steel, stainless steel and CRA steel.
2. API casing and tubing pup joints are manufactured according to API Spec 5CT using prime API monogrammed seamless oil country tubing.
3. Our OCTG pup joints are available with premium connections in API alloy grades. Either API or proprietary threaded connections may be provided.
4. Central Steel will manufacture API SPEC 5CT pup joints to any length. Typical lengths are 2", 4", 6", 8" and 10".