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U.S. Department of Energy
Office of Scientific and Technical Information

Downhole tool

Patent ·
OSTI ID:1176158

A double shouldered downhole tool connection comprises box and pin connections having mating threads intermediate mating primary and secondary shoulders. The connection further comprises a secondary shoulder component retained in the box connection intermediate a floating component and the primary shoulders. The secondary shoulder component and the pin connection cooperate to transfer a portion of makeup load to the box connection. The downhole tool may be selected from the group consisting of drill pipe, drill collars, production pipe, and reamers. The floating component may be selected from the group consisting of electronics modules, generators, gyroscopes, power sources, and stators. The secondary shoulder component may comprises an interface to the box connection selected from the group consisting of radial grooves, axial grooves, tapered grooves, radial protrusions, axial protrusions, tapered protrusions, shoulders, and threads.

Research Organization:
IntelliServ, Inc., Provo, UT (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-01NT41229
Assignee:
IntelliServ, Inc. (Provo, UT)
Patent Number(s):
7,193,526
Application Number:
10/905,894
OSTI ID:
1176158
Country of Publication:
United States
Language:
English

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