Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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07/21/2009
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Application #:
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11649567
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Filing Dt:
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01/04/2007
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Publication #:
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Pub Dt:
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07/05/2007
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Inventor:
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Donald G. Reitsma
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Title:
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METHOD FOR DETERMINING FORMATION FLUID ENTRY INTO OR DRILLING FLUID LOSS FROM A BOREHOLE USING A DYNAMIC ANNULAR PRESSURE CONTROL SYSTEM
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 11767 KATY FREEWAY |
| SUITE 1030 |
| HOUSTON, TEXAS 77079 |
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| RICHARD A. FAGIN |
| P.O. BOX 1247 |
| RICHMOND, TX 77406-1247 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 1310 RANKIN ROAD |
| PATENT SERVICES |
| HOUSTON, TEXAS 77073 |
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| DAVID J. SMITH |
| 5950 NORTH COURSE DRIVE |
| M-I SWACO, A SCHLUMBERGER COMPANY |
| HOUSTON, TX 77242 |
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