US2933609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactivity well surveying
Assignee: Dresser Industries Inc
•
Filing: 1954-05-11
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Granted: 1960-04-19
•
Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 Russell G Norelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:56
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF DETERMINING THE LOCATION AND NATURE OF THE CONNATE FLUID CONTENT OF UNDERGROUND FORMATIONS TRAVERSED BY A BOREHOLE AND INTO WHICH FORMATIONS ADJACENT THE BOREHOLE EXTRANEOUS FLUID HAS BEEN CAUSED TO INVADE, COMPRISING: PASSING THROUGH SAID BOREHOLE AFTER SUCH INVASION, A SOURCE OF NEUTRONS FROM WHICH NEUTRONS PASS OUTWARDLY INTO SUCH FORMATIONS SURROUNDING SAID BOREHOLD, MAKING A MEASURE OF THE INTENSITY OF RADIATION FROM SAID FORMATIONS RESULTING FROM SAID NEUTRONS AND INTERCEPTING SUCH BOREHOLE AT A FIRST PREDETERMINED, SUBSTANTIALLY AXIAL SPACING FROM SAID SOURCE AS SAID SOURCE IS MOVED LONGITUDINALLY THROUGH SAID BOREHOLE, MAKING A MEASURE OF THE INTENSITY OF RADIATION OF THE SAME NATURE AS SAID FIRST MENTIONED RADIATION FROM SAID FORMATIONS
Claim 2
Independent Claim
115 words
A METHOD OF DETERMINING THE LOCATION AND NATURE OF THE CONNATE FLUID CONTENT OF UNDERGROUND FORMATIONS TRAVERSED BY A BOREHOLE AND INTO WHICH FORMATIONS ADJACENT THE BOREHOLE EXTRANEOUS FLUID HAS BEEN CAUSED TO INVADE, COMPRISING: PASSING THROUGH SAID BOREHOLE AFTER SUCH INVASION, A SOURCE OF NEUTRONS FROM WHICH NEUTRONS PASS OUTWARDLY INTO SUCH FORMATIONS SURROUNDING SAID BOREHOLD, MAKING A MEASURE OF THE INTENSITY OF RADIATION FROM SAID FORMATIONS RESULTING FROM SAID NEUTRONS AND INTERCEPTING SUCH BOREHOLE AT A FIRST PREDETERMINED, SUBSTANTIALLY AXIAL SPACING FROM SAID SOURCE AS SAID SOURCE IS MOVED LONGITUDINALLY THROUGH SAID BOREHOLE, MAKING A MEASURE OF THE INTENSITY OF RADIATION OF THE SAME NATURE AS SAID FIRST MENTIONED RADIATION FROM SAID FORMATIONS
References Cited (Backward Citations)
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US2544412A
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US2652496A
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |