US3302707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for improving fluid recoveries from earthen formations
Assignee: Mobil Oil AS
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Filing: 1964-09-30
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Granted: 1967-02-07
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Marion L Slusser
- 👤 Jr Carl Connally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:14
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD FOR THE IN SITU PLACEMENT OF A BARRIER TO FLUID FLOWS IN OPENINGS IN SUBTERRANEAN DEPOSITS, COMPRISING THE STEPS OF: (A) PROVIDING A PLURALITY OF SPACED-APART WELLS IN FLUID COMMUNICATION WITH OPENINGS IN THE DEPOSIT, (B) INTRODUCING INTO OPENINGS IN THE DEPOSIT, VIA ONE OF SAID WELLS, A BARRIER-FORMING FLUID SUFFICIENT IN QUANTITY TO FORM A BARRIER TO FLUID FLOW OF A DESIRED AREAL EXTENT WHEN DISPOSED IN ITS ULTIMATE POSITION AND INTRODUCING INTO OPENINGS IN THE DEPOSIT, VIA ONE OF SAID WELLS, A DRIVING FLUID FOR EXCLUDING THE BARRIERFORMING FLUID FROM COMMUNICATING OPENINGS BETWEEN WELLS, (C) CLOSING OTHER OF SAID WELLS NOT USED FOR INTRODUCING THE DRIVING FLUID TO FLUID FLOWS DURING THE INTRODUCTION OF THE DRIVING FLUID EXCEPT FOR A MONITORING FLOW SUITABLE TO DETECT A FLOW THEREFROM OF SAID DRIVING FLUID, AND (D) OPENING THE OTHER OF SAID WELLS AFTER DETECTION OF SAID DRIVING FLUID TO A FLOW OF SAID DRIVING FLUID SUITABLE TO CIRCULATE THE BARRIER-FORMING FLUID FROM THE COMMUNICATING OPENINGS AND THE WELLS.
Claim 2
Independent Claim
170 words
A METHOD FOR THE IN SITU PLACEMENT OF A BARRIER TO FLUID FLOWS IN OPENINGS IN SUBTERRANEAN DEPOSITS, COMPRISING THE STEPS OF: (A) PROVIDING A PLURALITY OF SPACED-APART WELLS IN FLUID COMMUNICATION WITH OPENINGS IN THE DEPOSIT, (B) INTRODUCING INTO OPENINGS IN THE DEPOSIT, VIA ONE OF SAID WELLS, A BARRIER-FORMING FLUID SUFFICIENT IN QUANTITY TO FORM A BARRIER TO FLUID FLOW OF A DESIRED AREAL EXTENT WHEN DISPOSED IN ITS ULTIMATE POSITION AND INTRODUCING INTO OPENINGS IN THE DEPOSIT, VIA ONE OF SAID WELLS, A DRIVING FLUID FOR EXCLUDING THE BARRIERFORMING FLUID FROM COMMUNICATING OPENINGS BETWEEN WELLS, (C) CLOSING OTHER OF SAID WELLS NOT USED FOR INTRODUCING THE DRIVING FLUID TO FLUID FLOWS DURING THE INTRODUCTION OF THE DRIVING FLUID EXCEPT FOR A MONITORING FLOW SUITABLE TO DETECT A FLOW THEREFROM OF SAID DRIVING FLUID, AND (D) OPENING THE OTHER OF SAID WELLS AFTER DETECTION OF SAID DRIVING FLUID TO A FLOW OF SAID DRIVING FLUID SUITABLE TO CIRCULATE THE BARRIER-FORMING FLUID FROM THE COMMUNICATING OPENINGS AND THE WELLS.
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |