Patent Number: 6,254,146

Title: Thread form with multifacited flanks

Abstract: A thread form for a tubular connection of the type having a pin member adapted to be made-up with a box member to form a pipe joint as shown. The pin member has pin threads with thread crests and thread roots which are adapted to be made-up with a mating box member having a complimentary thread structure. The pin thread crests are formed between a stab flank and a load flank of the pin thread. The pin thread has a multi-facited complex profile stab flank for engaging a mating stab flank on the complimentary box member to provide a wedging interfit between the surfaces of the pin and box threads. The pin and box threads are also helically structured as a wedge.

Inventors: Church; Kris L. (Montgomery, TX)

Assignee: John Gandy Corporation

International Classification: F16L 15/00 (20060101); F16L 15/06 (20060101); E21B 17/02 (20060101); E21B 17/042 (20060101); F16L 025/00 ()

Expiration Date: 07/03/2018