US3265151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and techniques useful in establishing quality of cement bonds in cased boreholes
Assignee: Halliburton Co
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Filing: 1962-06-15
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Granted: 1966-08-09
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Warren L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44; G01V1/48; G01V1/50; E; E21; E21B; E21B47/00; E21B47/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN THE METHOD OF DETERMINING THE QUALITY OF CEMENT BOND IN A CASED CEMENTED BORE HOLE, THE STEPS COMPRISING TRANSMITTING AN ACOUSTIC PULSE INSIDE THE CASING, INDICATING THE AMPLITUDES OF THE RESULTING ACOUSTIC ENERGY WHICH IS TRANSMITTED THROUGH THE CASING AND THROUGH THE CASING AND BOREHOLE FORMATIONS, AND DETERMINING FROM THE RELATIVE MAGNITUDES OF SAID AMPLITUDES THE QUALITY OF THE BOND, ON THE ONE HAND, BETWEEN THE CEMENT AND CASING AND, ON THE OTHER HAND, THE CEMENT AND THE FORMATION.
Claim 2
Dependent Claim
80 words
IN THE METHOD OF DETERMINING THE QUALITY OF CEMENT BOND IN A CASED CEMENTED BORE HOLE, THE STEPS COMPRISING TRANSMITTING AN ACOUSTIC PULSE INSIDE THE CASING, INDICATING THE AMPLITUDES OF THE RESULTING ACOUSTIC ENERGY WHICH IS TRANSMITTED THROUGH THE CASING AND THROUGH THE CASING AND BOREHOLE FORMATIONS, AND DETERMINING FROM THE RELATIVE MAGNITUDES OF SAID AMPLITUDES THE QUALITY OF THE BOND, ON THE ONE HAND, BETWEEN THE CEMENT AND CASING AND, ON THE OTHER HAND, THE CEMENT AND THE FORMATION.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |