US2585522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the productivity of oil wells
Assignee: ExxonMobil Oil Corp
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Filing: 1947-03-08
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Granted: 1952-02-12
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Expires: 1967-03-08
Abstract
No abstract record available.
Inventors
- 👤 Euclid V Watts
- 👤 Jr Bert Folda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:40
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/602; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN THE OPERATION OF AN OIL WELL HAVING A PUMP AND TUBING THROUGH WHICH OIL IS PUMPED, THE STEP OF INTRODUCING A MINUTE QUANTITY OF A DIHYDROCARBON SILICONE INTO THE SPACE WITHIN THE WELL SURROUNDING THE TUBING THE SPACE WITHIN THE WELL SURSAID WELL IS INCREASED, THE QUANTITY OF SAID SILICONE SO INTRODUCED BEING FROM ONE-HALF PART PER MILLION TO FIVE PARTS PER MILLION FIGURED ON THE NET VOLUME OF OIL PRODUCED BY SAID WELL.
Claim 2
Dependent Claim
75 words
IN THE OPERATION OF AN OIL WELL HAVING A PUMP AND TUBING THROUGH WHICH OIL IS PUMPED, THE STEP OF INTRODUCING A MINUTE QUANTITY OF A DIHYDROCARBON SILICONE INTO THE SPACE WITHIN THE WELL SURROUNDING THE TUBING THE SPACE WITHIN THE WELL SURSAID WELL IS INCREASED, THE QUANTITY OF SAID SILICONE SO INTRODUCED BEING FROM ONE-HALF PART PER MILLION TO FIVE PARTS PER MILLION FIGURED ON THE NET VOLUME OF OIL PRODUCED BY SAID WELL.
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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |