Patent Assignment
Reel/Frame 012092/0001
Assignment of Assignor's Interest
Recorded: 2001-08-20
Pages: 5
Assignor
PLAINS ENERGY SERVICES LTD.
Executed: 2001-06-08
Assignee
PRECISION DRILLING CORPORATION
#4200, 150--6TH AVENUE S.W., CALGARY, ALBERTA, T2P 3Y7, CANADA
Covered Property
(1)
Hybrid Sectional and Coiled Tubing Drilling Rig
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.