Patent US3112182A successfully refreshed from Google Patents.
US3112182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer for injected water in a waterflood
Assignee: Jersey Production Research Co
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Filing: 1959-11-17
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Granted: 1963-11-26
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 William O Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:09
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; Y; Y10; Y10T; Y10T436/00; Y10T436/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METHOD OF TRACING THE FLOW OF WATER INJECTED IN A WATERFLOOD OF A SUBSURFACE HYDROCARBON-CONTAINING RESERVOIR COMPRISING ADDING A COMPOUND CONTAINING AN ORTHOPHOSPHATE ANION TO SAID WATER INJECTED AT ONE POINT IN SAID RESERVOIR AND TESTING SAID WATER PRODUCED FROM ANOTHER POINT IN SAID RESERVOIR FOR SAID ORTHOPHOSPHATE ANION.
Claim 2
Independent Claim
50 words
A METHOD OF TRACING THE FLOW OF WATER INJECTED IN A WATERFLOOD OF A SUBSURFACE HYDROCARBON-CONTAINING RESERVOIR COMPRISING ADDING A COMPOUND CONTAINING AN ORTHOPHOSPHATE ANION TO SAID WATER INJECTED AT ONE POINT IN SAID RESERVOIR AND TESTING SAID WATER PRODUCED FROM ANOTHER POINT IN SAID RESERVOIR FOR SAID ORTHOPHOSPHATE ANION.
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |