Patent Assignment
Reel/Frame 044729/0810
Assignment of Assignor's Interest
Recorded: 2018-01-25
Pages: 10
Assignors
GUO, QINGZHEN
Executed: 2016-08-03
LEE, DONGWON
Executed: 2016-07-29
GUO, WEIJUN
Executed: 2016-07-29
DORFFER, DANIEL F.
Executed: 1993-11-10
Assignee
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PKWY. E., HOUSTON, TEXAS, 77032
Covered Property
(1)
Determination of Near Wellbore Properties Using Natural Gamma Rays