Patent Assignment Details
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| Reel/Frame: | 011824/0005 | |
| Pages: | 2 |
| | Recorded: | 05/17/2001 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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08/19/2003
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Application #:
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09858954
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Filing Dt:
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05/17/2001
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Publication #:
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Pub Dt:
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11/21/2002
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Title:
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METHOD OF DYNAMICALLY CONTROLLING BOTTOM HOLE CIRCULATION PRESSURE IN A WELLBORE
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Assignee
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| 4600 PETRO-CANADA CENTRE |
| 150-6TH AVENUE S.W. |
| CALGARY ALBERTA, CANADA T2P 3 |
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Correspondence name and address
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MEREK & VOORHEES
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JAMES J. MEREK
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643-B SOUTH WASHINGTON STREET
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ALEXANDRIA, VA 22314
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