US3104702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of cellar oil
Assignee: Jersey Production Research Co
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Filing: 1960-09-09
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Granted: 1963-09-24
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Expires: 1980-09-09
Abstract
No abstract record available.
Inventors
- 👤 Merwin H Gaskell
- 👤 Donald C Lindley
- 👤 Jr Frederick M Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:03
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METHOD FOR RECOVERY OF CELLAR OIL FROM AN INCLINED RESERVOIR HAVING NO NATURAL WATER DRIVE AND WHICH IS PENETRATED BY A WELL PIPE PERFORATED WITH UPPER AND LOWER PERFORATIONS ALONG A PORTION OF ITS LENGTH AT A LOCATION IN SAID RESERVOIR ADJACENT THE UPPER LEVEL OF SAID CELLAR OIL, SAID WELL PIPE CONTAINING A TUBING AND MEANS FOR CLOSING OFF THE ANNULUS BETWEEN SAID TUBING AND SAID WELL PIPE BETWEEN THE UPPER AND LOWER PERFORATIONS IN SAID WELL PIPE COMPRISING THE STEPS OF PRODUCING FLUID FROM SAID RESERVOIR THROUGH SAID UPPER WELL PIPE PERFORATIONS AND SAID ANNULUS WHILE SIMULTANEOUSLY INJECTING WATER INTO SAID RESERVOIR THROUGH SAID TUBING AND LOWER WELL PIPE PERFORATIONS TO MAINTAIN OIL ADJACENT SAID UPPER PERFORATIONS, THE RATES OF WATER INJECTION AND FLUID PRODUCTION BEING SUBSTANTIALLY EQUAL.
Claim 2
Independent Claim
131 words
A METHOD FOR RECOVERY OF CELLAR OIL FROM AN INCLINED RESERVOIR HAVING NO NATURAL WATER DRIVE AND WHICH IS PENETRATED BY A WELL PIPE PERFORATED WITH UPPER AND LOWER PERFORATIONS ALONG A PORTION OF ITS LENGTH AT A LOCATION IN SAID RESERVOIR ADJACENT THE UPPER LEVEL OF SAID CELLAR OIL, SAID WELL PIPE CONTAINING A TUBING AND MEANS FOR CLOSING OFF THE ANNULUS BETWEEN SAID TUBING AND SAID WELL PIPE BETWEEN THE UPPER AND LOWER PERFORATIONS IN SAID WELL PIPE COMPRISING THE STEPS OF PRODUCING FLUID FROM SAID RESERVOIR THROUGH SAID UPPER WELL PIPE PERFORATIONS AND SAID ANNULUS WHILE SIMULTANEOUSLY INJECTING WATER INTO SAID RESERVOIR THROUGH SAID TUBING AND LOWER WELL PIPE PERFORATIONS TO MAINTAIN OIL ADJACENT SAID UPPER PERFORATIONS, THE RATES OF WATER INJECTION AND FLUID PRODUCTION BEING SUBSTANTIALLY EQUAL.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |