Patent US3193005A successfully refreshed from Google Patents.
US3193005A
Expired / Lapsed
US
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Well completion and logging method
Assignee: ExxonMobil Upstream Research Co
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Filing: 1961-10-24
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Granted: 1965-07-06
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Frank H Hunter
- 👤 George W Widner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:28
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/10; E21B47/113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN THE RECOVERY OF PETROLEUM FROM AN OIL BEARING HORIZON PENETRATED BY A WELL BORE, SAID HORIZON HAVING AN OIL-WATER CONTACT, A TEST PROCEDURE FOR DETERMINING THE RELATIONSHIP BETWEEN WATER CONING HEIGHT AND DRAW-DOWN PRESSURE DIFFERENTIAL WHICH COMPRISES CASING SAID BORE OPPOSITE SAID HORIZON WITH A NON-CONDUCTOR OF ELECTRICITY, PERFORATING SAID CASING AT A LEVEL OF SAID HORIZON SUBSTANTIALLY ABOVE SAID OIL-WATER CONTACT, FLOWING SAID WELL AT A SUBSTANTIALLY CONSTANT DRAWN-DOWN PRESSURE DIFFERENTIAL, AND LOGGING SAID HORIZON BY ELECTROMAGNETIC INDUCTION WHILE FLOWING SAID WELL, TO DETERMINE THE HEIGHT OF WATER INTRUSION CAUSED BY SAID PRESSURE DIFFERENTIAL.
Claim 2
Dependent Claim
96 words
IN THE RECOVERY OF PETROLEUM FROM AN OIL BEARING HORIZON PENETRATED BY A WELL BORE, SAID HORIZON HAVING AN OIL-WATER CONTACT, A TEST PROCEDURE FOR DETERMINING THE RELATIONSHIP BETWEEN WATER CONING HEIGHT AND DRAW-DOWN PRESSURE DIFFERENTIAL WHICH COMPRISES CASING SAID BORE OPPOSITE SAID HORIZON WITH A NON-CONDUCTOR OF ELECTRICITY, PERFORATING SAID CASING AT A LEVEL OF SAID HORIZON SUBSTANTIALLY ABOVE SAID OIL-WATER CONTACT, FLOWING SAID WELL AT A SUBSTANTIALLY CONSTANT DRAWN-DOWN PRESSURE DIFFERENTIAL, AND LOGGING SAID HORIZON BY ELECTROMAGNETIC INDUCTION WHILE FLOWING SAID WELL, TO DETERMINE THE HEIGHT OF WATER INTRUSION CAUSED BY SAID PRESSURE DIFFERENTIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |