US3130784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary recovery of earth fluids
Assignee: Jersey Production Research Co
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Filing: 1961-12-01
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Granted: 1964-04-28
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Ii Thomas Pennington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:11
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/14; E21B34/00; E21B34/06; E21B43/00; E21B43/11; E21B43/116; E21B43/117; E21B43/1185; E21B43/11852; E21B43/119; E21B43/14; E21B43/16; E21B43/162; E21B43/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A METHOD OF INJECTING FLUIDS INTO A PLURALITY OF HYDROCARBON-PRODUCTIVE EARTH FORMATIONS PENETRATED BY A BOREHOLD, COMPRISING: POSITIONING A SIDE POCKET MANDREL ADJACENT EACH OF SAID EARTH FORMATIONS INTERCONNECTED AND SUSPENDED FROM THE EARTH''S SURFACE BY PIPE STRING SECTIONS TO FORM A SINGLE PIPE STRING HAVING A CONTINUOUS BORE EXTENDING FROM THE EARTH''S SURFACE TO SUBSTANTIALLY THE BOTTOM OF THE BOREHOLE; CEMENTING THE PIPE STRING TO THE WALLS OF THE BOREHOLE FROM THE BOREHOLE BOTTOM TO A LEVEL ABOVE THE UPPERMOST OF SAID HYDROCARBON-PRODUCTIVE EARTH FORMATIONS; SUCCESSIVELY POSITIONING A PERFORATING GUN IN THE SIDE POCKETS OF SAID MANDRELS AND PERFORATING SAID MANDRELS THROUGH THE SIDE POCKETS; BLANKING OFF ALL BUT ONE OF SAID PERFORATED SIDE POCKETS; AND INSERTING CHECK VALVE MEANS IN AT LEAST ONE SIDE POCKET, AND INJECTING FLUIDS THROUGH SAID CHECK VALVE MEANS AND THE PERFORATIONS IN SAID AT LEAST ONE SIDE POCKET.
Claim 2
Independent Claim
145 words
A METHOD OF INJECTING FLUIDS INTO A PLURALITY OF HYDROCARBON-PRODUCTIVE EARTH FORMATIONS PENETRATED BY A BOREHOLD, COMPRISING: POSITIONING A SIDE POCKET MANDREL ADJACENT EACH OF SAID EARTH FORMATIONS INTERCONNECTED AND SUSPENDED FROM THE EARTH''S SURFACE BY PIPE STRING SECTIONS TO FORM A SINGLE PIPE STRING HAVING A CONTINUOUS BORE EXTENDING FROM THE EARTH''S SURFACE TO SUBSTANTIALLY THE BOTTOM OF THE BOREHOLE; CEMENTING THE PIPE STRING TO THE WALLS OF THE BOREHOLE FROM THE BOREHOLE BOTTOM TO A LEVEL ABOVE THE UPPERMOST OF SAID HYDROCARBON-PRODUCTIVE EARTH FORMATIONS; SUCCESSIVELY POSITIONING A PERFORATING GUN IN THE SIDE POCKETS OF SAID MANDRELS AND PERFORATING SAID MANDRELS THROUGH THE SIDE POCKETS; BLANKING OFF ALL BUT ONE OF SAID PERFORATED SIDE POCKETS; AND INSERTING CHECK VALVE MEANS IN AT LEAST ONE SIDE POCKET, AND INJECTING FLUIDS THROUGH SAID CHECK VALVE MEANS AND THE PERFORATIONS IN SAID AT LEAST ONE SIDE POCKET.
References Cited (Backward Citations)
US2973039A
Cited
US2963088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |