US3076503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well treating apparatus and method
Assignee: Individual
•
Filing: 1959-10-02
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Granted: 1963-02-05
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Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Edward N Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:52
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/02; Y; Y10; Y10S; Y10S166/00; Y10S166/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD OF APPLYING A COATING TO A WELL TUBING, IN SITU, COMPRISING THE STEPS OF CHARGING A WELL TREATING APPARATUS WITH A CHARGE OF COATING MATERIAL HAVING A GREATER AFFINITY FOR THE MATERIAL OF THE WELL TUBING THAN FOR THE SUBSTANCE IN THE WELL, SAID CHARGE BEING IN EXCESS OF THAT REQUIRED TO COAT THE WELL TUBING; PASSING THE WELL TREATING APPARATUS THROUGH THAT PORTION OF THE WELL TUBING TO BE TREATED TO SIMULTANEOUSLY DISPLACE ANY WELL FLUID PRESENT AND TO APPLY THE COATING MATERIAL TO THE PORTION OF THE WELL TUBING FROM WHICH WELL FLUID HAS BEEN DISPLACED; AND DISCHARGING THE EXCESS OF THE COATING MATERIAL INTO THE WELL BELOW THE WELL TUBING, WHEREBY SUCH EXCESS COATING MATERIAL MAY FORM A RESERVOIR TO BE CARRIED ALONG WITH THE SUBSTANCE PUMPED FROM THE
Claim 2
Independent Claim
134 words
A METHOD OF APPLYING A COATING TO A WELL TUBING, IN SITU, COMPRISING THE STEPS OF CHARGING A WELL TREATING APPARATUS WITH A CHARGE OF COATING MATERIAL HAVING A GREATER AFFINITY FOR THE MATERIAL OF THE WELL TUBING THAN FOR THE SUBSTANCE IN THE WELL, SAID CHARGE BEING IN EXCESS OF THAT REQUIRED TO COAT THE WELL TUBING; PASSING THE WELL TREATING APPARATUS THROUGH THAT PORTION OF THE WELL TUBING TO BE TREATED TO SIMULTANEOUSLY DISPLACE ANY WELL FLUID PRESENT AND TO APPLY THE COATING MATERIAL TO THE PORTION OF THE WELL TUBING FROM WHICH WELL FLUID HAS BEEN DISPLACED; AND DISCHARGING THE EXCESS OF THE COATING MATERIAL INTO THE WELL BELOW THE WELL TUBING, WHEREBY SUCH EXCESS COATING MATERIAL MAY FORM A RESERVOIR TO BE CARRIED ALONG WITH THE SUBSTANCE PUMPED FROM THE
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |