Patent Assignment
Reel/Frame 024750/0283
Assignment of Assignor's Interest
Recorded: 2010-07-28
Pages: 6
Assignors
VAN ZANTEN, RYAN
Executed: 2010-07-19
HORTON, DAVID
Executed: 2010-07-19
TANCHE-LARSEN, PER-BJARTE
Executed: 2010-07-14
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property
(1)
Surfactant Additives Used to Retain Producibility While Drilling