US3105014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bacterial treatment of media containing hydrocarbons and sulfides
Assignee: Tidewater Oil Co
•
Filing: 1961-12-07
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Granted: 1963-09-24
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Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 William M Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:19
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; C09K8/88; C09K8/90; C09K8/905; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/17; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/829; Y10S435/842; Y10S435/843; Y10S435/85; Y10S435/858; Y10S435/859; Y10S435/874; Y10S435/876
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
36 words
A METHOD FOR THE RECOVERY OF OIL FROM SURFACE AND UNDERGROUND FORMATIONS THEREOF, COMPRISING: SUBJECTING THE FORMATION TO THE METABOLIC ACTIVITIES OF (1) MUTANT HYDROCARBON-OXIDIZING BACTERIA HAVING PARTIALLY-TO-TOTALLY INACTIVATED DEHYDROGENATION SYSTEMS, AND (2) NATURAL HYDROCARBON-OXIDIZING BACTERIA.
Claim 2
Independent Claim
36 words
A METHOD FOR THE RECOVERY OF OIL FROM SURFACE AND UNDERGROUND FORMATIONS THEREOF, COMPRISING: SUBJECTING THE FORMATION TO THE METABOLIC ACTIVITIES OF (1) MUTANT HYDROCARBON-OXIDIZING BACTERIA HAVING PARTIALLY-TO-TOTALLY INACTIVATED DEHYDROGENATION SYSTEMS, AND (2) NATURAL HYDROCARBON-OXIDIZING BACTERIA.
Claim 3
Independent Claim
28 words
A METHOD OF ELIMINATING UNDESIRABLE IRON SULFIDE FROM OIL FORMATIONS, SURFACE AND UNDERGROUND WASTEWATERS, SANDS, MUDS, AND OTHER MEDIA, COMPRISING: INOCULATING THE IRON SULFIDE-CONTAINING MEDIA WITH A COM-
Claim 4
Independent Claim
28 words
A METHOD OF ELIMINATING UNDESIRABLE IRON SULFIDE FROM OIL FORMATIONS, SURFACE AND UNDERGROUND WASTEWATERS, SANDS, MUDS, AND OTHER MEDIA, COMPRISING: INOCULATING THE IRON SULFIDE-CONTAINING MEDIA WITH A COM-
References Cited (Backward Citations)
CA509332A
Cited
US2807570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |