US2740489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shear wave seismic exploration
Assignee: ExxonMobil Oil Corp
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Filing: 1952-05-08
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Granted: 1956-04-03
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Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 James E White
- 👤 Stanley N Heaps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/284; G01V1/02; G01V1/04; G01V1/047; G01V1/053; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SYSTEM FOR SEISMICALLY EXPLORING THE EARTH''S CRUST WITH SHEAR WAVES WHICH COMPRISES A MASS LOCATED AT A SENDING STATION, MEANS FOR IMPARTING A HIGH MOMENTUM TO SAID MASS HAVING MOTION AT LEAST IN PART HORIZONTAL, MEANS COUPLED TO THE EARTH FOR ABRUPTLY DECELERATING SAID MASS DURING ITS HORIZONTAL MOTION FOR GENERATING AT A ZERO INSTANT HORIZONTALLY POLARIZED WAVES IN AN ADJACENT EARTH STRATA, MEANS FOR PRODUCING A FIRST SIGNAL CORRESPONDING IN TIME WITH SAID ZERO INSTANT, AT A PLURALITY OF RECEIVING STATIONS SPACED FROM SAID SENDING STATION DETECTING MEANS RESPONSIVE TO HORIZONTAL EARTH MOVEMENTS HAVING PARTICLE MOTION PARALLEL TO THE DIRECTION OF MOTION OF SAID MASS WHEN HORIZONTAL FOR DETECTING SAID HORIZONTALLY POLARIZED SHEAR WAVES TO PRODUCE A PLURALITY OF OUTPUT SIGNALS INDICATIVE TO A TIME RELATION WITH RESPECT TO SAID FIRST SIGNAL OF THE LOCATION OF INTERFACES BETWEEN SAID SENDING AND RECEIVING STATIONS HAVING CONTRASTING SHEAR MODULI WITH RESPECT TO THE EARTH''S SURFACE.
Claim 2
Independent Claim
155 words
A SYSTEM FOR SEISMICALLY EXPLORING THE EARTH''S CRUST WITH SHEAR WAVES WHICH COMPRISES A MASS LOCATED AT A SENDING STATION, MEANS FOR IMPARTING A HIGH MOMENTUM TO SAID MASS HAVING MOTION AT LEAST IN PART HORIZONTAL, MEANS COUPLED TO THE EARTH FOR ABRUPTLY DECELERATING SAID MASS DURING ITS HORIZONTAL MOTION FOR GENERATING AT A ZERO INSTANT HORIZONTALLY POLARIZED WAVES IN AN ADJACENT EARTH STRATA, MEANS FOR PRODUCING A FIRST SIGNAL CORRESPONDING IN TIME WITH SAID ZERO INSTANT, AT A PLURALITY OF RECEIVING STATIONS SPACED FROM SAID SENDING STATION DETECTING MEANS RESPONSIVE TO HORIZONTAL EARTH MOVEMENTS HAVING PARTICLE MOTION PARALLEL TO THE DIRECTION OF MOTION OF SAID MASS WHEN HORIZONTAL FOR DETECTING SAID HORIZONTALLY POLARIZED SHEAR WAVES TO PRODUCE A PLURALITY OF OUTPUT SIGNALS INDICATIVE TO A TIME RELATION WITH RESPECT TO SAID FIRST SIGNAL OF THE LOCATION OF INTERFACES BETWEEN SAID SENDING AND RECEIVING STATIONS HAVING CONTRASTING SHEAR MODULI WITH RESPECT TO THE EARTH''S SURFACE.
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |