CPC F04D 13/10 (2013.01) [E21B 43/128 (2013.01); F04D 13/06 (2013.01); F04D 13/08 (2013.01); F04D 13/086 (2013.01); F04D 29/086 (2013.01); E21B 43/2406 (2013.01)] | 20 Claims |
1. An electric submersible pump (ESP) assembly comprising:
an electric submersible motor between a thrust chamber and a motor expansion chamber, the motor expansion chamber comprising:
a bellows coupled to a releasable bellows anti-movement system, the releasable bellows anti-movement system comprising a heat-activated release and alterable between:
an immobilizing position, wherein the releasable anti-movement system prevents concertinaed movement of the bellows in the immobilizing position, and
a released position, wherein the bellows is concertinaedly moveable in the released position; and
wherein the releasable bellows anti-movement system is in the immobilizing position below a release temperature and in the released position above the release temperature.
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