Patent Assignment
Reel/Frame 022664/0600
Assignment of Assignor's Interest
Recorded: 2009-05-11
Pages: 11
Assignors
ZAEPER, RALF
Executed: 2009-03-18
MAY, ROLAND
Executed: 2009-03-25
MACPHERSON, JOHN D.
Executed: 2009-05-07
DAHL, THOMAS
Executed: 2009-03-18
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property
(1)
System and Method to Locate, Monitor and Quantify Friction Between a Drillstring and a Wellbore