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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/25/1985
Application #:
06528326
Filing Dt:
08/31/1983
Inventors:
ADELINA J. SON, ROYAL E. LOFTIN
Title:
METHOD OF PREVENTING LOSS OF AN OIL-BASE DRILLING FLUID DURING THE DRILLING OF AN OIL OR GAS WELL INTO A SUBTERRANEAN FORMATION
Assignment: 1
Reel/Frame:
004197/0067Recorded: 12/05/1983Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
11/30/1983
Exec Dt:
11/30/1983
Assignee:
DELAWARE
Correspondent:
EDWARD F. SHERER
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536
Assignment: 2
Reel/Frame:
004679/0821Recorded: 01/13/1987Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/11/1986
Assignee:
TEXAS
Correspondent:
HALLIBURTON SERVIECES, A DIV. OF
HALLIBURTON COMPANY
P.O. DRAWER 1431
DUNCAN, OK. 73536-0102

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