US3410604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-situ oxidation reaction within a subsurface formation containing sulfur
Assignee: TOR DEVELOPMENTS Inc
•
Filing: 1966-12-01
•
Granted: 1968-11-12
•
Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Philip D White
- 👤 Jon T Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; E21B43/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PORDUCING SULFUR FROM A SUB-SURFACE FORMATION WHERE AT LEAST TWO SPACED APART WELLS PENETRATE A SULFUR BEARING FORMATION WHICH COMPRISES: (A) ESTABLISHING IN THE REGION OF AT LEAST A FIRST OF SAID WELLS A HIGH TEMPERATURE ZONE OF THE ORDER OF 1,000*F., (B) INTRODUCING A FLOW OF COMBUSTION SUPPORTING AGENT INTO ONE OF SAID WELLS TO SUSTAIN COMBUSTION REACTIONS OF SAID SULFUR TO FORM GASEOUS SULFUR COMPOUNDS, AND (C) PRODUCING SAID COMPOUNDS THROUGH A SECOND OF SAID WELLS IN GASEOUS FORM.
Claim 2
Independent Claim
84 words
A METHOD OF PORDUCING SULFUR FROM A SUB-SURFACE FORMATION WHERE AT LEAST TWO SPACED APART WELLS PENETRATE A SULFUR BEARING FORMATION WHICH COMPRISES: (A) ESTABLISHING IN THE REGION OF AT LEAST A FIRST OF SAID WELLS A HIGH TEMPERATURE ZONE OF THE ORDER OF 1,000*F., (B) INTRODUCING A FLOW OF COMBUSTION SUPPORTING AGENT INTO ONE OF SAID WELLS TO SUSTAIN COMBUSTION REACTIONS OF SAID SULFUR TO FORM GASEOUS SULFUR COMPOUNDS, AND (C) PRODUCING SAID COMPOUNDS THROUGH A SECOND OF SAID WELLS IN GASEOUS FORM.
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |