Patent US3147963A successfully refreshed from Google Patents.
US3014529A
Expired / Lapsed
US
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Method for logging wells
Assignee: Jersey Production Research Co
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Filing: 1958-07-17
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Granted: 1961-12-26
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Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Graham John Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:02
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD FOR DETERMINING THE PRESENCE OF HYDROCARBONS IN SUBSURFACE EARTH FORMATIONS WHICH COMPRISES DRILLING A WELL IN THE EARTH TO PIERCE SAID EARTH FORMATIONS WHILE CIRCULATING A DRILLING FLUID THROUGH SAID WELL, INJECTING INCREMENTALLY INTO SAID CIRCULATING DRILLING FLUID AT SELECTED SPACED-APART INTERVALS A SMALL BUT SUFFICIENT AMOUNT OF A SOLUTION OF A SURFACE-ACTIVE AGENT CONSISTING OF A WATER SOLUBLE CATIONIC SALT WHICH CAUSES PREFERENTIAL WETTING OF SAID PIERCED EARTH FORMATIONS BY ANY HYDROCARBONS IN SAID PIERCED EARTH FORMATIONS, ALTERNATELY CONTACTING SAID EARTH FORMATIONS DURING SAID DRILLING WITH SAID DRILLING FLUID AND SAID SOLUTION, AND THEN RUNNING AND OBTAINING A SINGLE ELECTRICAL LOG OF SAID PIERCED EARTH FORMA-
Claim 2
Independent Claim
109 words
A METHOD FOR DETERMINING THE PRESENCE OF HYDROCARBONS IN SUBSURFACE EARTH FORMATIONS WHICH COMPRISES DRILLING A WELL IN THE EARTH TO PIERCE SAID EARTH FORMATIONS WHILE CIRCULATING A DRILLING FLUID THROUGH SAID WELL, INJECTING INCREMENTALLY INTO SAID CIRCULATING DRILLING FLUID AT SELECTED SPACED-APART INTERVALS A SMALL BUT SUFFICIENT AMOUNT OF A SOLUTION OF A SURFACE-ACTIVE AGENT CONSISTING OF A WATER SOLUBLE CATIONIC SALT WHICH CAUSES PREFERENTIAL WETTING OF SAID PIERCED EARTH FORMATIONS BY ANY HYDROCARBONS IN SAID PIERCED EARTH FORMATIONS, ALTERNATELY CONTACTING SAID EARTH FORMATIONS DURING SAID DRILLING WITH SAID DRILLING FLUID AND SAID SOLUTION, AND THEN RUNNING AND OBTAINING A SINGLE ELECTRICAL LOG OF SAID PIERCED EARTH FORMA-
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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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |