US2733353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auto-radiography of wells
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF RADIOGRAPHING A WELL FORMATION WHICH COMPRISES FIRST DEPOSITING AT THE FORMATION FACE EXPOSED IN A WELL BORE A RADIOACTIVE SOLIDS MATERIAL WHICH IS CAPABLE OF LODGING IN THE EXPOSED FORMATION OPENINGS, SUNSEQUENTLY LOWERING INTO SAID WELL BORE A PHOTOGRAPHIC FILM AND HOLDING SAID FILM STATIONARY AND IN CONTACT WITH SAID FACE FOR SUFFICIENT TIME TO EXPOSE SAID FILM BY RADIATIONS FROM PRIMARILY ONLY THE DEPOSITS OF SAID MATERIAL SUBSTANTIALLY IN CONTACT WITH SAID FILM, AND FINALLY REMOVING AND DEVELOPING SAID FILM. WHEREBY IT MAY BE EXAMINED FOR EXPOSURE PATTERNS INDICATIVE OF THE CHARACTER OF INDIVIDUAL FORMATION OPENINGS.
Claim 2
Independent Claim
100 words
THE METHOD OF RADIOGRAPHING A WELL FORMATION WHICH COMPRISES FIRST DEPOSITING AT THE FORMATION FACE EXPOSED IN A WELL BORE A RADIOACTIVE SOLIDS MATERIAL WHICH IS CAPABLE OF LODGING IN THE EXPOSED FORMATION OPENINGS, SUNSEQUENTLY LOWERING INTO SAID WELL BORE A PHOTOGRAPHIC FILM AND HOLDING SAID FILM STATIONARY AND IN CONTACT WITH SAID FACE FOR SUFFICIENT TIME TO EXPOSE SAID FILM BY RADIATIONS FROM PRIMARILY ONLY THE DEPOSITS OF SAID MATERIAL SUBSTANTIALLY IN CONTACT WITH SAID FILM, AND FINALLY REMOVING AND DEVELOPING SAID FILM. WHEREBY IT MAY BE EXAMINED FOR EXPOSURE PATTERNS INDICATIVE OF THE CHARACTER OF INDIVIDUAL FORMATION OPENINGS.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |