Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate
2005-08-25
2009-11-03
Kramer, Devon C (Department: 3746)
Pumps
Motor driven
Electric or magnetic motor
C417S423300, C166S065100, C166S066400, C174S10500R, C174S12000C, C439S274000, C439S275000
Reexamination Certificate
active
07611339
ABSTRACT:
A power line for an electrical submersible pump has three metallic impermeable tubes. A single electrical conductor is located within each of the tubes. Each conductor has at least one elastomeric insulation layer surrounding it. An annular portion of the insulation layer of each of the electrical conductors is in tight contact with the tube to form a seal. The annular portions may be annular crimps formed in the tube at intervals. The annular portion could also be a continuous seal caused by swelling of the insulation layer due to contact with a hydrocarbon.
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Coyle Rob A.
Dalrymple Larry V.
Doty Ed L.
Neuroth David H.
Parmeter Larry J.
Baker Hughes Incorporated
Bracewell & Giuliani LLP
Kramer Devon C
Weinstein Leonard J
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