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US Patent 7780202 Oilfield tubular connection with increased compression capacity

Patent 7780202 was granted and assigned to Grant Prideco on August, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee
‌
Grant Prideco
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7780202
Date of Patent
August 24, 2010
Patent Application Number
11850226
Date Filed
September 5, 2007
Patent Primary Examiner
‌
Aaron Dunwoody
Patent abstract

A threaded oilfield tubular connection 10 includes a pin member 12 having a first external tapered thread 24 and a second external tapered thread 26. A box member includes a first internal tapered thread 14 and a second internal tapered thread 16. Helical torque shoulders 40, 42 are provided on the pin member and the box member, and an axially spaced between the respective first and second threads. The helix of each torque shoulder includes a plurality of revolutions with compression flanks on both the pin member and the box member.

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