Patent US3097691A successfully refreshed from Google Patents.
US3097691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementing and completing wells in the earth
Assignee: Jersey Production Research Co
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Filing: 1961-07-26
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Granted: 1963-07-16
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Expires: 1981-07-26
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:09
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF COMPLETING A WELL CONTAINING A PIPE STRING EXTENDING FROM THE EARTH''S SURFACE INTO A HYDROCARBON-CONTAINING EARTH FORMATION AND HAVING WIPER PLUG LATCHING MEANS NEAR THE LOWER END THEREOF, COMPRISING PUMPING A CEMENTITIOUS FLUID DOWN THE PIPE STRING AND UP THE ANNULUS THEREABOUT WITH A WIPER PLUG DRIVED BY PRESSURIZED, NORMALLY LIQUID FLUID AND PRESSURIZED, NORMALLY GASIFORM FLUID UNTIL THE WIPER PLUG IS LATCHED IN THE WIPER PLUG LATCHING MEANS TO CLOSE THE PIPE STRING AND PREVENT CEMENTITIOUS FLUID FROM FLOWING UP THE PIPE STRING; RELEASING THE PRESSURE ON THE NORMALLY LIQUID FLUID AND NORMALLY GASIFORM FLIUD IN THE PIPE STRING; AND WHEN EQUILIBRIUM CONDITIONS OBTAIN IN THE FLUID COLUMN, PER-
Claim 2
Independent Claim
113 words
A METHOD OF COMPLETING A WELL CONTAINING A PIPE STRING EXTENDING FROM THE EARTH''S SURFACE INTO A HYDROCARBON-CONTAINING EARTH FORMATION AND HAVING WIPER PLUG LATCHING MEANS NEAR THE LOWER END THEREOF, COMPRISING PUMPING A CEMENTITIOUS FLUID DOWN THE PIPE STRING AND UP THE ANNULUS THEREABOUT WITH A WIPER PLUG DRIVED BY PRESSURIZED, NORMALLY LIQUID FLUID AND PRESSURIZED, NORMALLY GASIFORM FLUID UNTIL THE WIPER PLUG IS LATCHED IN THE WIPER PLUG LATCHING MEANS TO CLOSE THE PIPE STRING AND PREVENT CEMENTITIOUS FLUID FROM FLOWING UP THE PIPE STRING; RELEASING THE PRESSURE ON THE NORMALLY LIQUID FLUID AND NORMALLY GASIFORM FLIUD IN THE PIPE STRING; AND WHEN EQUILIBRIUM CONDITIONS OBTAIN IN THE FLUID COLUMN, PER-
References Cited (Backward Citations)
US2743779A
Cited
US3011547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |