US3072184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame position determination in well bores
Assignee: Phillips Petroleum Co
•
Filing: 1959-05-04
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Granted: 1963-01-08
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:31
CPC Classifications
E; E21; E21B; E21B36/00; E21B36/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF DETERMINING THE PROGRESS OF MOVEMENT OF A COMBUSTION FRONT THRU AN ELONGATED FUEL PACK COMPRISING PARTICULATE SOLIDS CONTAINING FUEL DISPOSED IN A WELL WHICH COMPRISES PLACING IN SAID FUEL PACK, AT SPACED INTERVALS ALONG ITS LENGTH, SEPARATE MASSES OF GASFORMING MATERIALS RELEASED BY HEATING AND SEPARATELY IDENTIFIABLE IN THE COMBUSTION GASES DEVELOPED UPON BURNING SAID FUEL PACK; PROGRESSIVELY BURNING SAID FUEL PACK ALONG ITS AXIS BY IGNITING AND SUPPLYING OXYGEN THERETO SO AS TO RELEASE THE SEPARATELY IDENTIFIABLE GASES; AND SEPARATELY IDENTIFYING SAID GASES AS THEY APPEAR IN THE EFFLUENT GASES
Claim 2
Independent Claim
94 words
A METHOD OF DETERMINING THE PROGRESS OF MOVEMENT OF A COMBUSTION FRONT THRU AN ELONGATED FUEL PACK COMPRISING PARTICULATE SOLIDS CONTAINING FUEL DISPOSED IN A WELL WHICH COMPRISES PLACING IN SAID FUEL PACK, AT SPACED INTERVALS ALONG ITS LENGTH, SEPARATE MASSES OF GASFORMING MATERIALS RELEASED BY HEATING AND SEPARATELY IDENTIFIABLE IN THE COMBUSTION GASES DEVELOPED UPON BURNING SAID FUEL PACK; PROGRESSIVELY BURNING SAID FUEL PACK ALONG ITS AXIS BY IGNITING AND SUPPLYING OXYGEN THERETO SO AS TO RELEASE THE SEPARATELY IDENTIFIABLE GASES; AND SEPARATELY IDENTIFYING SAID GASES AS THEY APPEAR IN THE EFFLUENT GASES
References Cited (Backward Citations)
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Cited
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US2398571A
Cited
US2650539A
Cited
US2670047A
Cited
US3004597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |