Assignment of Assignor's Interest

Recorded: 2001-09-01 Pages: 4

Assignor

PLAINS ENERGY SERVICES LTD.

Executed: 2001-06-29

Assignee

PRECISION DRILLING CORPORATION

#4200, 150 - 6TH AVENUE, S.W., CALGARY, T2P 3Y7, ALBERTA, CANADA

Covered Property (1)

Method and Apparatus for Injection of Tubing into Wells

Patent: 4,673,035 →

Application: 06/816,288 →

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.