Pup Joint

Pup Joints are used to adjust the height of full length tubing or casing strings. They are also used to adjust the depth of downhole tools.

USI 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

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.

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)