US3199598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing and repairing well pipes
Assignee: Individual
•
Filing: 1962-07-02
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Granted: 1965-08-10
•
Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Loomis Jean Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
E; E21; E21B; E21B27/00; E21B27/02; E21B29/00; E21B29/10; E21B47/00; E21B47/10; E21B47/117; G; G01; G01M; G01M3/00; G01M3/005; G01M3/02; G01M3/26; G01M3/28; G01M3/2853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN AN APPARATUS FOR TESTING WELL PIPE IN A WELL FOR LEAKS AND REPAIRING THE SAME IN SITU: AND ELONGATED BODY STRUCTURE OF SMALLER DIAMETER THAN THE INSIDE DIAMETER OF THE WELL PIPE; AT LEAST ONE UPPER AND ONE LOWER FLUID EXPANSIBLE PACKER ELEMENT MOUNTED EXTERIORLY ON THE BODY STRUCTURE IN SPACED RELATIONSHIP TO EACH OTHER, BOTH OF SAID PACKER ELEMENTS HAVING A RELAXED DIAMETER SMALLER THAN THE INSIDE DIAMETER OF THE WELL PIPE; MEANS FOR SUPPLYING FLUID UNDER PRESSURE THROUGH SAID BODY STRUCTURE TO SAID PACKER ELEMENTS FOR CAUSING SAID PACKER ELEMENTS TO SET IN SEALING ENGAGEMENT WITH THE WALL OF THE WELL PIPE; MEANS IN SAID BODY STRUCTURE INDEPENDENT OF SAID LAST-MENTIONED MEANS FOR FLOWING A TESTING FLUID UNDER A LAST-MENTIONED MEANS FOR FLOWING A TESTING FLUID INTO THE ANNULAR SEALED OFF SPACE FOR TESTING THE WELL PIPE FOR LEAKS; AND MEANS FOR CARRYING A BATCH OF SEALANT WITH SAID BODY STRUCTURE AND SUPPLYING THE SAME WHEN NEEDED THROUGH SAID LAST-MENTIONED MEANS INTO THE ANNULAR SPACE BETWEEN SAID PACKERS.
Claim 2
Dependent Claim
171 words
IN AN APPARATUS FOR TESTING WELL PIPE IN A WELL FOR LEAKS AND REPAIRING THE SAME IN SITU: AND ELONGATED BODY STRUCTURE OF SMALLER DIAMETER THAN THE INSIDE DIAMETER OF THE WELL PIPE; AT LEAST ONE UPPER AND ONE LOWER FLUID EXPANSIBLE PACKER ELEMENT MOUNTED EXTERIORLY ON THE BODY STRUCTURE IN SPACED RELATIONSHIP TO EACH OTHER, BOTH OF SAID PACKER ELEMENTS HAVING A RELAXED DIAMETER SMALLER THAN THE INSIDE DIAMETER OF THE WELL PIPE; MEANS FOR SUPPLYING FLUID UNDER PRESSURE THROUGH SAID BODY STRUCTURE TO SAID PACKER ELEMENTS FOR CAUSING SAID PACKER ELEMENTS TO SET IN SEALING ENGAGEMENT WITH THE WALL OF THE WELL PIPE; MEANS IN SAID BODY STRUCTURE INDEPENDENT OF SAID LAST-MENTIONED MEANS FOR FLOWING A TESTING FLUID UNDER A LAST-MENTIONED MEANS FOR FLOWING A TESTING FLUID INTO THE ANNULAR SEALED OFF SPACE FOR TESTING THE WELL PIPE FOR LEAKS; AND MEANS FOR CARRYING A BATCH OF SEALANT WITH SAID BODY STRUCTURE AND SUPPLYING THE SAME WHEN NEEDED THROUGH SAID LAST-MENTIONED MEANS INTO THE ANNULAR SPACE BETWEEN SAID PACKERS.
References Cited (Backward Citations)
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US2248169A
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |