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Casing & Tubing Pup Joints

Pup joints are manufactured from seamless mechanical tube. As with all products, each piece is marked with a distinctive heat number that is fully traceable. A complete range of sizes (1" to 4.5"), weights (standard or heavy wall), and grades (J-55, N-80, L-80, and P-110) are commonly available from stock in 2', 3', 4', 6' and 10' lengths. Other lengths are available upon request.

API Pup Joint
Premium Pup Joint

API Tubing Pup Joints

Manufactured according to API Spec 5CT using prime API monogrammed, seamless oil country tubing. Optional diameters, lengths, weights, and grades are available upon request.

Premium Tubing Pup Joints

Seamless pup joints with premium connections are available in API and exotic alloy grades. Premium ends are threaded in house by Custom Threading Inc.

Perforated Pup Joints

Available with standard or special perforation spacing. Each joint has four rows of 3/8 inch holes drilled longitudinally along the tube.
Optional patterns, hole size, and lengths furnished upon request.

Perforated Joint
Drill Joint

Drill Pipe Pup Joints

Drill Pipe pup joints are integral-type made of AISI 4140/4145 modified alloy steel bar, fully heat treated to 285-341 BHN and 40 ft-lbs min impact value.
All connections are machined according to API specifications.

Blast Joints

Blast joints are manufacture from seamless mechanical tube in sizes ranging from 2 3/8'' to 4 ½'' OD. Any length, grade of material, and threading is available at the customer's request. Both API and Premium threads are available.

Blast Joint

Flow Couplings

Flow couplings are manufactured from seamless mechanical tube in all sizes. Any length, grade of material, and threading is available at the customer's request. Both API and Premium thread are available.

Flow Coupling
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Custom Threading Inc.
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