Patent Assignment
Reel/Frame 026119/0675
Assignment of Assignor's Interest
Recorded: 2011-04-12
Pages: 3
Assignor
ZHOU, SHAOHUA
Executed: 2011-03-28
Assignee
SAUDI ARABIAN OIL COMPANY
1 EASTERN AVENUE, DHAHRAN, 31311, SAUDI ARABIA
Covered Property
(1)
Sliding Stage Cementing Tool and Method