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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
01/20/2004
Application #:
09867972
Filing Dt:
05/30/2001
Publication #:
Pub Dt:
12/05/2002
Inventors:
Craig D. Johnson, Patrick W. Bixenman, Zimmerman H. Thomas
Title:
USE OF HELICALLY WOUND TUBULAR STRUCTURE IN THE DOWNHOLE ENVIRONMENT
Assignment: 1
Reel/Frame:
011854/0648Recorded: 05/30/2001Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/29/2001
Exec Dt:
05/30/2001
Assignee:
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Correspondent:
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
ATTN: PATENT COUNSEL, PO BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 2
Reel/Frame:
013468/0508Recorded: 11/06/2002Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/31/2002
Assignee:
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
SCHLUMBERGER TECHNOLOGY CORP.
JEFFREY E. GRIFFIN
PO BOX 1590
ROSHARON, TX 77583-1590

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