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Patent Searching and Data


Title:
ELECTRIC MACHINE FOR DOWNHOLE APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2018/112399
Kind Code:
A3
Abstract:
Certain aspects of the subject matter described here can be implemented in a downhole-type electric submersible pump system. An electric machine (204) can be disposed downhole in a wellbore. The electric machine is coupled to rotate with an impeller (712) that can be disposed downhole in the wellbore. The electric machine includes a stator assembly (702) with at least three stator sections (704) axially arranged and spaced apart from each other along a longitudinal axis of the electric machine. The electric machine also includes a rotor assembly (708) with at least three rotor sections (710) arranged axially along the longitudinal axis of the electric machine. The rotor assembly is carried within and supported to rotate by the stator assembly.

Inventors:
HUYNH, Co Si (16323 Shoemaker Avenue, Cerritos, California, 90703, US)
STOUT, John (16323 Shoemaker Avenue, Cerritos, California, 90703, US)
MCMULLEN, Patrick (16323 Shoemaker Avenue, Cerritos, California, 90703, US)
CHEN, Kuo-Chiang (16323 Shoemaker Avenue, Cerritos, California, 90703, US)
Application Number:
US2017/066799
Publication Date:
August 23, 2018
Filing Date:
December 15, 2017
Export Citation:
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Assignee:
UPWING ENERGY, LLC (16323 Shoemaker Avenue, Cerritos, California, 90703, US)
International Classes:
E21B43/12; F04D13/06; F04D13/08; H02K5/132
Domestic Patent References:
WO2004113670A22004-12-29
Foreign References:
US7378769B22008-05-27
Attorney, Agent or Firm:
GRISWOLD, Joshua A. et al. (Fish & Richardson P.C, P.O. Box 1022Minneapolis, Minnesota, 55440-1022, US)
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