Patent US2680486A successfully refreshed from Google Patents.
US2680486A
Expired / Lapsed
US
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Method and apparatus for well operations employing hydrogen peroxide
Assignee: Phillips Petroleum Co
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Filing: 1949-01-04
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Granted: 1954-06-08
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Expires: 1969-01-04
Abstract
No abstract record available.
Inventors
- 👤 Paul G Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:29
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/114; E21B29/00; E21B29/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
APPARATUS FOR PRODUCING A JET OF BURNING HYDROGEN PEROXIDE AND FUEL COMPRISING IN COMBINATION A TANK FOR SAID HYDROGEN PEROXIDE, A TANK FOR SAID FUEL, MEANS TO POSITON SAID TANKS IN A WELL, MEANS TO SUPPLY GAS PRESSURE TO THE LIQUIDS IN SAID TANKS TO EJECT SAID LIQUIDS, OUTLET MEANS FOR SAID TANKS LEADING TO ADJACENT DISCHARGE CONDUITS COMPRISING A ROTATABLE REACTION TURBINE, CHECK VALVES IN SAID OUTLET MEANS PREVENTING BACK FLOW THERETHROUGH, A SHUTOFF VALVE IN EACH OUTLET MEANS, AND MEANS TO OPEN SAID SHUTOFF VALVES COMPRISING CLOCK MEANS SET TO OPEN THE SAME AT A PREDETERMINED TIME.
Claim 2
Dependent Claim
99 words
APPARATUS FOR PRODUCING A JET OF BURNING HYDROGEN PEROXIDE AND FUEL COMPRISING IN COMBINATION A TANK FOR SAID HYDROGEN PEROXIDE, A TANK FOR SAID FUEL, MEANS TO POSITON SAID TANKS IN A WELL, MEANS TO SUPPLY GAS PRESSURE TO THE LIQUIDS IN SAID TANKS TO EJECT SAID LIQUIDS, OUTLET MEANS FOR SAID TANKS LEADING TO ADJACENT DISCHARGE CONDUITS COMPRISING A ROTATABLE REACTION TURBINE, CHECK VALVES IN SAID OUTLET MEANS PREVENTING BACK FLOW THERETHROUGH, A SHUTOFF VALVE IN EACH OUTLET MEANS, AND MEANS TO OPEN SAID SHUTOFF VALVES COMPRISING CLOCK MEANS SET TO OPEN THE SAME AT A PREDETERMINED TIME.
Claim 3
Dependent Claim
104 words
THE PROCESS OF REMOVING SOLID MATERIAL FROM A PORTION OF A WALL OF A WELL BORE IN THE EARTH COMPRISING POSITIONING A SUPPLY OF AT LEAST 70% BY WEIGHT HYDROGEN PEROXIDE ADJACENT THE POINT OF SAID REMOVAL IN SAID BORE HOLE, EJECTING SAID HYDROGEN PEROXIDE FROM SAID SUPPLY, POSITIONING A SUPPLY OF A FUEL SUITABLE FOR COMBUSTION WITH HYDROGEN PEROXIDE SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, PYROCATECHOL, ALKYL PYROCATECHOLS, AND HYERAZINE HYDRATE, ADJACENT SAID POINT, EJECTING SAID FUEL FROM SAID SUPPLY, CONTACTING SAID HYDROGEN PEOXIDE AND SAID FUEL, COMBUSTING THE MAJOR PORTION OF SAID FUEL AND THEREBY CONSUMING AT LEAST A PORTION
Claim 4
Dependent Claim
104 words
THE PROCESS OF REMOVING SOLID MATERIAL FROM A PORTION OF A WALL OF A WELL BORE IN THE EARTH COMPRISING POSITIONING A SUPPLY OF AT LEAST 70% BY WEIGHT HYDROGEN PEROXIDE ADJACENT THE POINT OF SAID REMOVAL IN SAID BORE HOLE, EJECTING SAID HYDROGEN PEROXIDE FROM SAID SUPPLY, POSITIONING A SUPPLY OF A FUEL SUITABLE FOR COMBUSTION WITH HYDROGEN PEROXIDE SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, PYROCATECHOL, ALKYL PYROCATECHOLS, AND HYERAZINE HYDRATE, ADJACENT SAID POINT, EJECTING SAID FUEL FROM SAID SUPPLY, CONTACTING SAID HYDROGEN PEOXIDE AND SAID FUEL, COMBUSTING THE MAJOR PORTION OF SAID FUEL AND THEREBY CONSUMING AT LEAST A PORTION
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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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |