Patent Assignment
Reel/Frame 027737/0256
Assignment of Assignor's Interest
Recorded: 2012-02-21
Pages: 3
Assignor
FISK, JAMES V., JR.
Executed: 2012-02-16
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property
(1)
Drilling Fluid Containing a Surfactant Having a High Boiling Point and a Long Chain Tail Group