Patent US3502946A successfully refreshed from Google Patents.
US3073386A
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Method of oil production by vertical gas drive
Assignee: Phillips Petroleum Co
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Filing: 1956-07-27
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Granted: 1963-01-15
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Expires: 1976-07-27
Abstract
No abstract record available.
Inventors
- 👤 Andrew F Bertuzzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:55
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF PRODUCING OIL WHICH COMPRISES FORMING HORIZONTAL FISSURES ALONG A SUBSTANTIAL AREA IN THE UPPER PART OF AN OIL BEARING FORMATION, SAID FISSURES RADIATING FROM A COMMON LOCATION, FORMING HORIZONTAL FISSURES ALONG A SUBSTANTIAL AREA IN A LOWER PART OF SAID FORMATION UNDERLYING THE UPPER FISSURES, SAID LOWER FISSURES RADIATING FROM A LOCATION WHICH IS HORIZONTALLY OFFSET FROM SAID FIRST-MENTIONED LOCATION A DISTANCE GREATER THAN THE LENGTH OF SAID FISSURES, INTRODUCING GAS BY WAY OF A PASSAGEWAY INTO THE UPPER FISSURES AT A PRESSURE SUFFICIENT TO DRIVE OR CARRY THE OIL DOWNWARDLY, AND PRODUCING OIL BY WAY OF A PASSAGEWAY FROM THE LOWER FISSURES.
Claim 2
Independent Claim
106 words
THE METHOD OF PRODUCING OIL WHICH COMPRISES FORMING HORIZONTAL FISSURES ALONG A SUBSTANTIAL AREA IN THE UPPER PART OF AN OIL BEARING FORMATION, SAID FISSURES RADIATING FROM A COMMON LOCATION, FORMING HORIZONTAL FISSURES ALONG A SUBSTANTIAL AREA IN A LOWER PART OF SAID FORMATION UNDERLYING THE UPPER FISSURES, SAID LOWER FISSURES RADIATING FROM A LOCATION WHICH IS HORIZONTALLY OFFSET FROM SAID FIRST-MENTIONED LOCATION A DISTANCE GREATER THAN THE LENGTH OF SAID FISSURES, INTRODUCING GAS BY WAY OF A PASSAGEWAY INTO THE UPPER FISSURES AT A PRESSURE SUFFICIENT TO DRIVE OR CARRY THE OIL DOWNWARDLY, AND PRODUCING OIL BY WAY OF A PASSAGEWAY FROM THE LOWER FISSURES.
References Cited (Backward Citations)
US1885807A
Cited
US1816260A
Cited
US2630182A
Cited
US2687179A
Cited
USRE23733E
Cited
US2681705A
Cited
US2725106A
Cited
US2754911A
Cited
US2874777A
Cited
US2818118A
Cited
US2821255A
Cited
US2862556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |