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
OG exemplary drawing
 
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.