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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/16/1983
Application #:
06214311
Filing Dt:
12/08/1980
Inventors:
WALTER H. FERTL, ELTON FROST, DONALD W. OLIVER
Title:
METHOD FOR MONITORING FLOOD FRONT MOVEMENT DURING WATER FLOODING OF SUBSURFACE FORMATIONS
Assignment: 1
Reel/Frame:
003858/0496Recorded: 06/05/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
11/24/1980
Exec Dt:
11/24/1980
Exec Dt:
11/24/1980
Assignee:
DALLAS,, TEXAS
Correspondent:
RICHARD M. BYRON
C/0 DRESSER INDUSTRIES, INC.
P. O. BOX 718
DALLAS, TX 75221
Assignment: 2
Reel/Frame:
004725/0094Recorded: 05/18/1987Pages: 26
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/30/1987
Assignee:
Correspondent:
WESTERN ATLAS INTERNATIONAL, INC.
P.O. BOX 2469
HOUSTON, TX 77252

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