Patent US3191141A successfully refreshed from Google Patents.
US3191141A
Expired / Lapsed
US
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Logging tool housing with acoustic delay
Assignee: Schlumberger Well Surveying Corp
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Filing: 1961-05-16
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Granted: 1965-06-22
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Nick A Schuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:33
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/52; G01V1/523; Y; Y10; Y10S; Y10S367/00; Y10S367/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
APPARATUS FOR USE IN WELL IN BORES COMPRISING: AN ELONGATED, RIGID TUBULAR MEMBER; AT LEAST TWO ACOUSTIC TRANSDUCERS IN A FIXED, SPACED RELATIONSHIP RELATIVE TO ONE ANOTHER ALONG A SECTION OF SAID TUBULAR MEMBER; THE WALL OF SAID TUBULAR MEMBER HAVING A CONFIGURATION BETWEEN SAID ACOUSTIC TRANSDUCERS ARRANGED TO ALTER THE TIME OF ARRIVAL OF DETECTABLE ACOUSTIC ENERGY PULSED TRAVELLING THERETHROUGH LONGITUDINALLY OF SAID TUBULAR MEMBER, SUCH CONFIGURATION INCLUDING INTERRUPTIONS IN THE LONGITUDINAL
Claim 2
Dependent Claim
73 words
APPARATUS FOR USE IN WELL IN BORES COMPRISING: AN ELONGATED, RIGID TUBULAR MEMBER; AT LEAST TWO ACOUSTIC TRANSDUCERS IN A FIXED, SPACED RELATIONSHIP RELATIVE TO ONE ANOTHER ALONG A SECTION OF SAID TUBULAR MEMBER; THE WALL OF SAID TUBULAR MEMBER HAVING A CONFIGURATION BETWEEN SAID ACOUSTIC TRANSDUCERS ARRANGED TO ALTER THE TIME OF ARRIVAL OF DETECTABLE ACOUSTIC ENERGY PULSED TRAVELLING THERETHROUGH LONGITUDINALLY OF SAID TUBULAR MEMBER, SUCH CONFIGURATION INCLUDING INTERRUPTIONS IN THE LONGITUDINAL
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |