Patent ID: 7810849

Claim:
A threaded connection comprising: a pin member comprising a pin thread having a pin thread crest, a pin thread root, a pin load flank, and a pin stab flank; a box member comprising a box thread having a box thread crest, a box thread root, a box load flank, and a box stab flank; wherein at least one of the pin thread crest, the pin thread root, the box thread crest, and the box thread root has at least one perturbation formed thereon; wherein upon a selected make-up of the pin member with the box member, a localized clearance or a localized interference exists between the pin thread and the box thread at the at least one perturbation; wherein the localized clearance between the pin thread and the box thread exists across substantially the entire pin thread crest or substantially the entire box thread crest; and wherein the localized interference between the pin thread and the box thread exists across substantially the entire pin thread crest or substantially the entire box thread crest; wherein the pin thread and the box thread are wedge threads.