Patent Assignment
Reel/Frame 023728/0206
Assignment of Assignor's Interest
Recorded: 2010-01-04
Pages: 5
Assignors
BELL, MATTHEW ROBERT GEORGE
Executed: 2009-12-14
WESSON, DAVID S.
Executed: 2009-12-22
CLARK, NATHAN GARRET
Executed: 2009-12-17
HARDESTY, JOHN THOMAS
Executed: 2009-12-16
Assignee
GEODYNAMICS, INC.
10500 W. INTERSTATE 20, MILLSAP, TEXAS, 76066
Covered Property
(1)
Method for Perforating a Wellbore in Low Underbalance Systems
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →
Security Interest
Jan 29, 2026
From: OIL STATES ENERGY SERVICES, L.L.C.; OIL STATES INDUSTRIES, INC.; GEODYNAMICS, INC.; TEMPRESS TECHNOLOGIES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 074532/0194 →