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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
04/13/2004
Application #:
09966129
Filing Dt:
09/28/2001
Publication #:
Pub Dt:
04/03/2003
Inventors:
Alick Cheng, Jim B. Surjaatmadja, Matthew J. Rees, Abraham Khallad, Keith A. Rispler
Title:
METHOD FOR ACID STIMULATING A SUBTERRANEAN WELL FORMATION FOR IMPROVING HYDROCABON PRODUCTION
Assignment: 1
Reel/Frame:
013192/0039Recorded: 08/13/2002Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/23/2002
Exec Dt:
01/08/2002
Assignee:
150-6TH AVENUE SW
28TH FLOOR
CALGARY, ALBERTA, CANADA T2P 3E3
Correspondent:
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 2
Reel/Frame:
012661/0163Recorded: 02/27/2002Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/31/2002
Exec Dt:
02/04/2002
Exec Dt:
12/31/2001
Exec Dt:
01/23/2002
Exec Dt:
01/08/2002
Assignee:
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Correspondent:
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH 2ND STREET
DUNCAN, OKLAHOMA 73536
Assignment: 3
Reel/Frame:
013192/0077Recorded: 08/13/2002Pages: 5
Conveyance:
CORRECTIVE ASSIGNMENT TO REMOVE THE FOURTH AND FIFTH ASSIGNORS FROM THE DOCUMENT PREVIOULSY RECORDED ON REEL 012661, FRAME 0163. ASSIGNOR HEREBY CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors:
Exec Dt:
01/31/2002
Exec Dt:
02/04/2002
Exec Dt:
12/31/2001
Assignee:
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Correspondent:
HALIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440

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