Patent Assignment
Reel/Frame 031518/0965
Assignment of Assignor's Interest
Recorded: 2013-10-31
Pages: 3
Assignor
MITCHELL, ROBERT F
Executed: 2011-06-24
Assignee
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2, HOUSTON, TEXAS, 77042
Covered Property
(1)
Systems and Methods for Determining the Moments and Forces of Two Concentric Pipes Within a Wellbore