US3207693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wells
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-12-14
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Granted: 1965-09-21
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Expires: 1981-12-14
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Albert J Bodner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/64; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ADDITIVE FOR USE IN WELL OPERATIONS CONSISTING ESSENTIALLY OF: A MAJOR PORTION OF PETROLEUM OIL; A MINOR PORTION OF A CALCIUM SALT-CALCIUM SOAP COMPLEX RANGING FROM ABOUT .25 PERCENT TO 15 PERCENT BY WEIGHT; AND A MINOR PORTION OF A POLYACRYLIC ACID RANGING FROM ABOUT 0.01 PERCENT TO 2.0 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
53 words
AN ADDITIVE FOR USE IN WELL OPERATIONS CONSISTING ESSENTIALLY OF: A MAJOR PORTION OF PETROLEUM OIL; A MINOR PORTION OF A CALCIUM SALT-CALCIUM SOAP COMPLEX RANGING FROM ABOUT .25 PERCENT TO 15 PERCENT BY WEIGHT; AND A MINOR PORTION OF A POLYACRYLIC ACID RANGING FROM ABOUT 0.01 PERCENT TO 2.0 PERCENT BY WEIGHT.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |