US3114418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing a porous formation traversed by a well bore
Assignee: Individual
•
Filing: 1960-04-20
•
Granted: 1963-12-17
•
Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 John G Keyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:26
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR SEALING A POROUS OR FRACTURED FORMATION TRAVERSED BY A WELL BORE, SAID PROCESS COMPRISING: FORCING A SOLUTION OF CALCIUM CHLORIDE THROUGH A CONDUIT WITHIN SAID WELL BORE INTO SAID FORMATION; SUBSE-
Claim 2
Dependent Claim
34 words
A PROCESS FOR SEALING A POROUS OR FRACTURED FORMATION TRAVERSED BY A WELL BORE, SAID PROCESS COMPRISING: FORCING A SOLUTION OF CALCIUM CHLORIDE THROUGH A CONDUIT WITHIN SAID WELL BORE INTO SAID FORMATION; SUBSE-
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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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |