Patent Assignment
Reel/Frame 012155/0996
Assignment of Assignor's Interest
Recorded: 2001-09-07
Pages: 3
Assignor
PATEL, ARVIND D.
Executed: 2001-08-29
Assignee
M-I L.L.C.
1201 LOUISIANA, HOUSTON, TEXAS, 77072
Covered Property
(1)
Methods of Using Reversible Phase Oil Based Drilling Fluid