US 6,981,853 B2 | ||
Protector for electrical submersible pumps | ||
Michael H. Du, Pearland, Tex. (US); Lawrence C. Lee, Pearland, Tex. (US); Arunkumar Arumugam, Pearland, Tex. (US); and Ashley C. Kishino, Houston, Tex. (US) | ||
Assigned to Schlumberger Technology Corporation, Sugarland, Tex. (US) | ||
Filed on Dec. 04, 2003, as Appl. No. 10/727,922. | ||
Application 10/727922 is a division of application No. 10/059795, filed on Jan. 29, 2002, granted, now 6,688,860. | ||
Claims priority of provisional application 60/303860, filed on Jul. 09, 2001. | ||
Claims priority of provisional application 60/299013, filed on Jun. 18, 2001. | ||
Prior Publication US 2004/0136849 A1, Jul. 15, 2004 | ||
Int. Cl. F04B 15/00 (2006.01) |
U.S. Cl. 417—414 | 15 Claims |
1. A pressure equalization system for a submersible pumping system, comprising:
a motor protector having a multi-orientable labyrinth assembly comprising at least one conduit extending in a zigzag pattern
and a crisscross pattern to provide operability in the multiple orientations, wherein first and second ends of the at least
one conduit are configured for fluid coupling with a first fluid and a second fluid, respectively.
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