US3076177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elimination of instrumentation distortion
Assignee: ExxonMobil Oil Corp
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Filing: 1957-06-27
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Granted: 1963-01-29
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Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Philip L Lawrence
- 👤 Manus R Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:29
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/30; G01V1/303; G01V1/36; G01V1/364; G01V1/368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE INTERPRETATION OF SEISMOGRAMS ON WHICH SUBSURFACE VELOCITY FEATURES APPEAR AS WAVEFORMS OF DIFFERING CHARACTER, THE METHOD WHICH COMPRISES PROGRESSIVELY APPLYING TO THE SEISMORGRAM AS A WHOLE FILTERING THE INVERSE OF THAT REQUIRED TO TRANSFROM A STEP-LIKE FUNCTION TO A WAVEFORM DISTINCTIVELY REPRESENTATIVE OF A SUBSURFACE LAYER OF KNOWN CHARACTER, AND RECORDING THE MODIFIED SEISMOGRAM AGAINST A TIME BASE RELATED TO THAT OF SAID FIRST-NAMED SEISMOGRAM TO PRODUCE A SEISMORGRAPHIC RECORD ON WHICH STEP-LIKE SUBSURFACE VELOCITY FEATURES APPEAR AS STEP-LIKE FUNCTIONS.
Claim 2
Dependent Claim
82 words
IN THE INTERPRETATION OF SEISMOGRAMS ON WHICH SUBSURFACE VELOCITY FEATURES APPEAR AS WAVEFORMS OF DIFFERING CHARACTER, THE METHOD WHICH COMPRISES PROGRESSIVELY APPLYING TO THE SEISMORGRAM AS A WHOLE FILTERING THE INVERSE OF THAT REQUIRED TO TRANSFROM A STEP-LIKE FUNCTION TO A WAVEFORM DISTINCTIVELY REPRESENTATIVE OF A SUBSURFACE LAYER OF KNOWN CHARACTER, AND RECORDING THE MODIFIED SEISMOGRAM AGAINST A TIME BASE RELATED TO THAT OF SAID FIRST-NAMED SEISMOGRAM TO PRODUCE A SEISMORGRAPHIC RECORD ON WHICH STEP-LIKE SUBSURFACE VELOCITY FEATURES APPEAR AS STEP-LIKE FUNCTIONS.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |