Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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01/15/1991
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Application #:
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07425661
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Filing Dt:
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10/20/1989
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Inventors:
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KEVIN A. EYL, ANDREW L. KURKJIAN, DAVID J. LINEMAN, EDWARD A. PIERCE et al
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Title:
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METHOD AND APPARATUS FOR DETERMINING COMPRESSIONAL FIRST ARRIVAL TIMES FROM WAVEFORM THRESHOLD CROSSINGS PROVIDED BY APPARATUS DISPOSED IN A SONIC WELL TOOL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SCHLUMBERGER WELL SERVICES |
| P. O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SCHLUMBERGER WELL SERVICES |
| P. O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SCHLUMBERGER WELL SERVICES |
| P. O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SCHLUMBERGER WELL SERVICES |
| P. O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SCHLUMBERGER WELL SERVICES |
| P. O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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