Patent Assignment
Reel/Frame 036899/0339
Assignment of Assignor's Interest
Recorded: 2015-10-28
Pages: 3
Assignor
RUSSELL OIL EXPLORATION LTD.
Executed: 2015-04-28
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(2)
Directional Drilling Control
Directional Drilling Control
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.