Patent Assignment
Reel/Frame 031262/0034
Assignment of Assignor's Interest
Recorded: 2013-09-23
Pages: 3
Assignor
FISK, JR., JAMES VAN
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