Patent US3354957A successfully refreshed from Google Patents.
US3354957A
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US
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Method of acid treating wells
Assignee: ConocoPhillips Co
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Filing: 1965-06-04
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Granted: 1967-11-28
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Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Richard L Every
- 👤 D Arcy A Shock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:02
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/72; Y; Y10; Y10S; Y10S507/00; Y10S507/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A METHOD FOR INCREASING THE PRODUCTION OF WELLS OF A WATER-BEARING FORMATION WHICH IS REACTIVE TO HYDROCHLORIC ACID COMPRISING INTRODUCING SUBSTANTIALLY PURE LIQUID ANHYDROUS HYDROGEN CHLORIDE INTO SAID FORMATION TRAVERSED BY THE WELL.
Claim 2
Independent Claim
33 words
A METHOD FOR INCREASING THE PRODUCTION OF WELLS OF A WATER-BEARING FORMATION WHICH IS REACTIVE TO HYDROCHLORIC ACID COMPRISING INTRODUCING SUBSTANTIALLY PURE LIQUID ANHYDROUS HYDROGEN CHLORIDE INTO SAID FORMATION TRAVERSED BY THE WELL.
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US3100528A
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |