US2761511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of earth formations
Assignee: Individual
•
Filing: 1953-03-23
•
Granted: 1956-09-04
•
Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Gaines H Billue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:12
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/5045; E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF SEALING A NATURAL OPENING IN AN EARTH FORMATION ENCOUNTERED WHEN DRILLING A WELL, THE STEPS OF INTRODUCING A SUBSTANTIALLY BUBBLE-FREE SOLIDIFIABLE SEALING MATERIAL WHILE IN A LIQUID STATE THROUGH THE WELL BORE INTO SAID OPENING, FORMING A MASS OF GAS-FILLED BUBBLES IN SAID LIQUID SEALING MATERIAL WHILE IN SAID OPENING BY INTRODUCING GAS PRODUCING SUBSTANCES INTO THE FORMATION BEFORE THE MATERIAL HAS HARDENED, AND SUBSEQUENTLY ALLOWING SAID SOLIDIFIABLE SEALING MATERIAL TO HARDEN WITHIN SAID OPENING.
Claim 2
Independent Claim
78 words
THE METHOD OF SEALING A NATURAL OPENING IN AN EARTH FORMATION ENCOUNTERED WHEN DRILLING A WELL, THE STEPS OF INTRODUCING A SUBSTANTIALLY BUBBLE-FREE SOLIDIFIABLE SEALING MATERIAL WHILE IN A LIQUID STATE THROUGH THE WELL BORE INTO SAID OPENING, FORMING A MASS OF GAS-FILLED BUBBLES IN SAID LIQUID SEALING MATERIAL WHILE IN SAID OPENING BY INTRODUCING GAS PRODUCING SUBSTANCES INTO THE FORMATION BEFORE THE MATERIAL HAS HARDENED, AND SUBSEQUENTLY ALLOWING SAID SOLIDIFIABLE SEALING MATERIAL TO HARDEN WITHIN SAID OPENING.
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |