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Pup Joints

Pup Joints

Sizes:  

2-3/8 inch to 20 inch

Product: Casing Pup Joint, Drill Pipe Pup Joint, Pup Joint Tubing


Standard: API 5CT and 5B J55, K55, N80-1, N80-Q, P110, C95
Grade: J55, K55, N80, L80, C90,T95, P110 and Q125.

Thread types: EUE, NUE, STC, LTC, BTC and Premium connection.

Special Service: Sour Service, Anti-H2S, NACE MR0175/ISO15156


Uses: Connecting two oil tubing or casing pipes.

Packing: By bundles, cartons, wooden boxes, wooden pallets or customer requirements.


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  • Description
  • Specification
  • Standard
  • Process
  • Images

A pup joint is a pipe without standard length. API SPEC 5CT pup joints are used to adjust the height of full length tubing or casing strings to exact requirement. 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.


pup joint


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

Finish Options – Internal Surfaces

  • Scotchkote 134
  • Corvel 1660

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.


Application Characteristics of Casing Pipe


Casing Pup Joints:

Outside Diameter: 4 ½ inch – 13 3/8 inch

Typical Lengths: 1, 2, 3, 4, 6, 8, 10, 12 ft

Grades: H40, J55, K55, N80, L80 T95, C110, P110

Connections: SC, LC, BC, Semi Premium, and Premium


Tubing Pup Joints:

Sizes: 2 ⅜ inch  – 4 ½ inch

Typical Lengths: 1, 2, 3, 4, 6, 8, 10, 12 ft

Grades: J-55, N-80, L-80, P-110

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".


Designed and manufactured according to API spec 5CT and API 5B. 

All standard lengths (2′, 3′, 4′, 5′, 6′, 8′, 10′ or 12′), but any length can be specified. The same performance with casing/tubing.

Pup Joint