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Patent Assignment
Reel/Frame 025857/0854

MERGER

Recorded: 2011-02-24 Received: 2011-02-24 Pages: 4
Assignor
BJ SERVICES COMPANY
Executed: 2010-04-28
Assignee
BSA ACQUISITION LLC
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TX, 77019, UNITED STATES
Covered Application (1)
METHOD OF TREATING SUBTERRANEAN FORMATIONS USING MIXED DENSITY PROPPANTS OR SEQUENTIAL PROPPANT STAGES
App. No. 12/347,671
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