Sino-america Petroleum Equipment International, LLC

David B Clark

Bryan Lane

A system for use in a wellbore using a tubing string formed from a plurality of connected tubulars. The tubulars are connected by a tubular threaded seal connector. The tubular threaded seal connector includes a coupling body. A first seal engagement portion is formed on the coupling body adjacent to a first shoulder formed on a portion of the J-area, and second seal engagement portion is formed on the coupling body adjacent a second shoulder formed on another portion of the J-area.

System for use in a wellbore

The tubular threaded seal connector includes a coupling body for engaging a first pipe and a second pipe. A first coupling end is on the coupling body. A first chamfer is adjacent to the first coupling end.

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Kingwood, TX, United States of America

David B Clark