US3202219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for protection of in situ combustion wells
Assignee: Phillips Petroleum Co
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Filing: 1962-02-09
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Granted: 1965-08-24
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Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:48
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243; E21B43/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
APPARATUS COMPRISING IN COMBINATION A TUBING STRING ING A PRODUCTION WELL PENETRATING A COMBUSTIBLE CARBONACEOUS STRATUM, SAID STRING EXTENDING THRU THE WELL HEAD AT LEAST TO THE LEVEL OF SAID STRATUM; AN EFFLUENT LINE CONNECTED WITH SAID TUBING STRING AST THE WELL HEAD; COOLING MEANS IN SAID EFFLUENT LINE FOR LIQUIFYING HYDROCARBONS PASSED THERETHRU; SEPARATION MEANS IN SAID EFFLUENT LINE FOR SEPARATING CONDENSED LIQUIDS FROM UNCONDENSED GASES, INCLUDING SEPARATE OUTLETS FOR WATER, OIL, AND UNCONDENSED GASES; CONDUIT MEANS CONNECTING THE SEPARATE OUTLET FOR UNCONDENSED GASES OF SAID SEPARATION MEANS WITH THE WELL BORE WITHIN SAIDSTRATUM HAVINGA COMPRESSOR THEREIN FOR PASSING UNCONDENSED GASES FROM SAID SEPARATION MEANS INTO HOT PRODUCED GASES PASSING FROM SAID STRATUM TO THE LOWER END OF SAID TUBING STRING; FLOW CONTROL MEANS IN SAID CONDUIT; TEMPERATURE SENSING MEANS FOR SENSING THE TEMPERATURE OF EFFLUENT HOT GASES; AND MEANS FOR REGULATING SAID FLOW CONTROL MEANS IN RESPONSE TO THE SENSED TEMPERASTURE SO AS TO CONTROL SAID TEMPERATURE WITHIN A DESIRED RANGE.
Claim 2
Dependent Claim
163 words
APPARATUS COMPRISING IN COMBINATION A TUBING STRING ING A PRODUCTION WELL PENETRATING A COMBUSTIBLE CARBONACEOUS STRATUM, SAID STRING EXTENDING THRU THE WELL HEAD AT LEAST TO THE LEVEL OF SAID STRATUM; AN EFFLUENT LINE CONNECTED WITH SAID TUBING STRING AST THE WELL HEAD; COOLING MEANS IN SAID EFFLUENT LINE FOR LIQUIFYING HYDROCARBONS PASSED THERETHRU; SEPARATION MEANS IN SAID EFFLUENT LINE FOR SEPARATING CONDENSED LIQUIDS FROM UNCONDENSED GASES, INCLUDING SEPARATE OUTLETS FOR WATER, OIL, AND UNCONDENSED GASES; CONDUIT MEANS CONNECTING THE SEPARATE OUTLET FOR UNCONDENSED GASES OF SAID SEPARATION MEANS WITH THE WELL BORE WITHIN SAIDSTRATUM HAVINGA COMPRESSOR THEREIN FOR PASSING UNCONDENSED GASES FROM SAID SEPARATION MEANS INTO HOT PRODUCED GASES PASSING FROM SAID STRATUM TO THE LOWER END OF SAID TUBING STRING; FLOW CONTROL MEANS IN SAID CONDUIT; TEMPERATURE SENSING MEANS FOR SENSING THE TEMPERATURE OF EFFLUENT HOT GASES; AND MEANS FOR REGULATING SAID FLOW CONTROL MEANS IN RESPONSE TO THE SENSED TEMPERASTURE SO AS TO CONTROL SAID TEMPERATURE WITHIN A DESIRED RANGE.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |