Patent CA983704A successfully refreshed from Google Patents.
CA983704A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Method for determining distance and direction to a cased well bore
Assignee: Shell Canada Ltd
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Filing: 1972-08-31
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Granted: 1976-02-17
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Expires: 1992-08-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph D. Robinson
- 👤 John P. Vogiatzis
Bibliographic Details
Application Number
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Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-29 23:51
CPC Classifications
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