Patent US1561966A successfully refreshed from Google Patents.
Patent US2855047A successfully refreshed from Google Patents.
US2855047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing petroleum from underground formations
Assignee: Texaco Inc
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Filing: 1955-08-03
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Granted: 1958-10-07
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Richard H Widmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:57
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A METHOD OF PRODUCING PETROLEUM FROM A PETROLEUMPRODUCING FORMATION WHICH IS PENETRATED BY A WELL BORE, SAID PETROLEUM-PRODUCING FORMATION UNDERLYING AND IN CONTACT WITH A GAS-PRODUCING FORMATION AND OVERLYING AND IN CONTACT WITH A WATER-PRODUCING FORMATION, WHICH COMPRISES PRODUCING PETROLEUM FROM SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE IN A ZONE SURROUDING SAID WELL BORE AT A RATE WHICH GIVES RISE TO A GAS CONE ORIGINATING FROM SAID GAS-PRODUCING FORMATION AND EXTENDING DOWNDARDLY INTO SAID PETROLEUM-PRODUCING FORMATION IN THE DIRECTION OF SAID ZONE AND WHICH ALSO GIVES RISE TO A WATER CONE ORGINATING FROM SAID WATER-PRODUCING FORMATION AND EXTENDING UPWARDLY INTO SAID PETROLEUMPRODUCING FORMATION IN THE DIRECTION OF SAID ZONE WHEREIN SAID PETROLEUM IS PRODUCED, SEPARATELY PRODUCING GAS FROM SAID GAS CONE WITHIN SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE AND SEPARATELY PRODUCING WATER FROM SAID WATER CONE WITHIN SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE.
Claim 2
Independent Claim
146 words
A METHOD OF PRODUCING PETROLEUM FROM A PETROLEUMPRODUCING FORMATION WHICH IS PENETRATED BY A WELL BORE, SAID PETROLEUM-PRODUCING FORMATION UNDERLYING AND IN CONTACT WITH A GAS-PRODUCING FORMATION AND OVERLYING AND IN CONTACT WITH A WATER-PRODUCING FORMATION, WHICH COMPRISES PRODUCING PETROLEUM FROM SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE IN A ZONE SURROUDING SAID WELL BORE AT A RATE WHICH GIVES RISE TO A GAS CONE ORIGINATING FROM SAID GAS-PRODUCING FORMATION AND EXTENDING DOWNDARDLY INTO SAID PETROLEUM-PRODUCING FORMATION IN THE DIRECTION OF SAID ZONE AND WHICH ALSO GIVES RISE TO A WATER CONE ORGINATING FROM SAID WATER-PRODUCING FORMATION AND EXTENDING UPWARDLY INTO SAID PETROLEUMPRODUCING FORMATION IN THE DIRECTION OF SAID ZONE WHEREIN SAID PETROLEUM IS PRODUCED, SEPARATELY PRODUCING GAS FROM SAID GAS CONE WITHIN SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE AND SEPARATELY PRODUCING WATER FROM SAID WATER CONE WITHIN SAID PETROLEUM-PRODUCING FORMATION VIA SAID WELL BORE.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |