Patent US3133592A successfully refreshed from Google Patents.
US3133592A
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Apparatus for the application of electrical energy to subsurface formations
Assignee: Petro-Electronics Corp
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Filing: 1959-05-25
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Granted: 1964-05-19
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Bill M Tomberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:16
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/2401
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
AN ASSEMBLY ADAPTED FOR SUSPENSION IN A WELL FOR THE GENERATION OF MICROWAVE ENERGY, INCLUDING A SHELL COMPRISED OF DIELECTRIC LOW LOSS MATERIAL, A POWER SOURCE, GENERATING MEANS SPACED WITHIN SAID SHELL RESPONSIVE TO ENERGIZATION OF SAID POWER SOURCE TO GENERATE MICROWAVE ENERGY, AND MEANS TO DIRECT THE MICROWAVE ENERGY INTO THE SUBSURFACE FORMATION TO THEREBY PROMOTE THE PRODUCTS OF FLUID THEREFROM.
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US2455942A
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US2599033A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |