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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05/11/2004
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Application #:
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10316614
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Filing Dt:
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12/11/2002
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Publication #:
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Pub Dt:
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05/15/2003
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Inventors:
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Ashley B. Johnson, Lawrence A. Behrmann, Wenbo Yang, Fokko Harm Cornelis
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Title:
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CONTROLLING TRANSIENT UNDERBALANCE IN A WELLBORE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 300 SCHLUMBERGER |
| SUGAR LAND, TEXAS 77478 |
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| SCHLUMBERGER TECHNOLOGY CORPORATION |
| JEFFREY E. GRIFFIN |
| ATTN: PATENT COUNSEL |
| P.O. BOX 1590 |
| ROSHARON, TEXAS 77583-1590 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 300 SCHLUMBERGER |
| SUGAR LAND, TEXAS 77478 |
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| SCHLUMBERGER TECHNOLOGY CORPORATION |
| JEFFREY E. GRIFFIN |
| P.O. BOX 1590 |
| ATTN: PATENT COUNSEL |
| ROSHARON, TX 77583-1590 |
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