Patent Assignment
Reel/Frame 020792/0265
Assignment of Assignor's Interest
Recorded: 2008-04-02
Pages: 27
Assignors
PABON, JAHIR
Executed: 2008-03-28
WICKS, NATHAN
Executed: 2008-03-28
CHANG, YONG
Executed: 2008-04-01
CHAPMAN, CLINTON
Executed: 2008-03-31
SINGH, VIVEK
Executed: 2008-03-31
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE STE. 1700, HOUSTON, TEXAS, 77056
Covered Property
(1)
Modeling the Transient Behavior of Bha/Drill String While Drilling
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 2, 2008
From: GREAVES, KEITH HOWARTH
To: TERRATEK, INC.
Reel/Frame 020746/0321 →
Corrective Assignment to Correct the Entire Assignment Previously Recorded on Reel 020746 Frame 0321. Assignor(S) Hereby Confirms the Assignment.
Apr 7, 2008
From: PABON, JAHIR; WICKS, NATHAN; CHANG, YONG; CHAPMAN, CLINTON
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 020767/0547 →