Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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01/04/1994
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Application #:
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07984024
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Filing Dt:
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12/01/1992
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Inventors:
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ANDREW W. VIGOR, ADRIAN J. STEWART
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Title:
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CIRCULATING VALVE APPARATUS AND DRILL STEM TEST METHOD ALLOWING SELECTIVE FLUID COMMUNICATION BETWEEN AN ABOVE PACKER ANNULUS AND A RATHOLE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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P.O. BOX 2175 |
5000 GULF FREEWAY |
HOUSTON, TEXAS 77023 |
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JOHN H. BOUCHARD |
SCHLUMBERGER TECHNOLOGY CORPORATION |
P.O. BOX 2175 |
5000 GULF FREEWAY |
HOUSTON, TX 77252-2175 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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P.O. BOX 2175, 5000 GULF FREEWAY |
HOUSTON, TEXAS 77023 |
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JOHN H. BOUCHARD |
SCHLUMBERGER TECHNOLOGY CORPORATION |
P.O. BOX 2175 |
5000 GULF FREEWAY |
HOUSTON, TX 77252-2175 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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P.O. BOX 2175 |
5000 GULF FREEWAY |
HOUSTON, TEXAS 77023 |
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JOHN H. BOUCHARD |
SCHLUMBERGER TECHNOLOGY CORPORATION |
ATTN: PATENT COUNSEL |
P.O. BOX 2175, 5000 GULF FREEWAY |
HOUSTON, TX 77252-2175 |
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