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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08/27/1985
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Application #:
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06480334
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Filing Dt:
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03/30/1983
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Inventors:
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PHILIPPE A. PARCEVAUX, BERNARD M. PIOT, CLAUDE J. VERCAEMER
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Title:
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CEMENT COMPOSITIONS FOR CEMENTING WELLS, ALLOWING PRESSURE GAS- CHANNELING IN THE CEMENTED ANNULUS TO BE CONTROLLED
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 8, RUE |
| BELLINI 75016, FRANCE |
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| OSTROLENK, FAVER, GERB & SOFFEN |
| 260 MADISON AVE. |
| NEW YORK, NY 10016 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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| SCHLUMBERGER TECHNOLOGY CORPORATION |
| DOUG Y'BARBO |
| DOWELL DIVISION |
| 110 SCHLUMBERGER DRIVE, MD-110-1 |
| SUGAR LAND, TEXAS 77478 |
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