Assignment of Assignor's Interest

Recorded: 2015-03-18 Pages: 3

Assignors

ZHANG, KEWEI

Executed: 2015-03-02

LIU, SHANGYING

Executed: 2015-03-02

CAO, SHANDONG

Executed: 2015-03-02

Assignee

TRICAN WELL SERVICE LTD.

645-7TH AVENUE, SUITE 2900, CALGARY, ALBERTA, T2P 4G8, CANADA

Covered Property (1)

Fracturing Slurry Compositions and Methods for Making Same

Application: 14/641,098 →

Publication: US 2015/0252254

Related Assignments (1)

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