Assignment of Assignor's Interest

Recorded: 2012-11-06 Pages: 3

Assignors

VINEGAR, HAROLD J.

Executed: 2012-09-28

KARANIKAS, JOHN MICHAEL

Executed: 2012-06-25

Assignee

SHELL OIL COMPANY

P.O. BOX 2463, ONE SHELL PLAZA, HOUSTON, TEXAS, 77252-2463

Covered Property (1)

Treating Tar Sands Formations with Dolomite

Patent: 8,555,971 →

Application: 13/485,464 →

Publication: US 2013/0056210