US3186502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spudding-in-seismometers
Assignee: Shell USA Inc
•
Filing: 1962-01-22
•
Granted: 1965-06-01
•
Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Friedrich J C Rademacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
AN APPARATUS FOR PLANTING GEOPHYSICAL CYLINDRICAL PROSPECTING MEANS USING HYDRAULIC WASHING ACTION TO BORE INTO THE EARTH AND TO BE USED IN COMBINATION WITH A SUPPLY OF LIQUID UNDER PRESSURE COMPRISING: (A) A LENGTH OF HOLLOW PIPE HAVING A CONNECTION FOR A LIQUID CONDUIT AT ONE END AND A MOUTH AT THE OPPOSITE END; (B) A PISTON MEMBER SLIDABLY DISPOSED IN SAID PIPE HAVING A CLOSABLE PORT THROUGH WHICH LIQUID FROM SAID CONDUIT MAY PASS THROUGH SAID PISTON MEMBER TO SAID MOUTH OF SAID PIPE; (C) A CYLINDRICAL PROSPECTING MEANS FITTED IN SAID MOUTH OF SAID PIPE, SAID MEANS HAVING AN OUTSIDE DIAMETER SMALLER THAN THE INSIDE DIAMETER OF THE BORE OF SAID MOUTH SO AS TO FORM AN ANNULUS THEREBETWEEN THEREBY FORMING A NOZZLE IN THE MOUTH OF SAID PIPE FOR DIRECTING LIQUID PASSING THROUGH SAID PIPE OUT OF SAID MOUTH IN A JET; (D) A PRESSURE-RELEASABLE HOLDING MEANS IN SAID MOUTH FOR SECURING SAID PROSPECTING MEANS IN SAID MOUTH; AND (E) PLUGGING MEANS TO BE INSERTED UPSTREAM OF SAID PISTON MEANS FOR CLOSING SAID CLOSABLE PORT IN SAID PISTON MEMBER THEREBY CAUSING THE LIQUID PASSING THROUGH SAID PIPE TO ACT ON SAID PISTON FORCING SAID PROSPECTING MEANS OUT OF SAID MOUTH BY OVERCOMING SAID PRESSURE RELEASABLE HOLDING MEANS.
Claim 2
Independent Claim
210 words
AN APPARATUS FOR PLANTING GEOPHYSICAL CYLINDRICAL PROSPECTING MEANS USING HYDRAULIC WASHING ACTION TO BORE INTO THE EARTH AND TO BE USED IN COMBINATION WITH A SUPPLY OF LIQUID UNDER PRESSURE COMPRISING: (A) A LENGTH OF HOLLOW PIPE HAVING A CONNECTION FOR A LIQUID CONDUIT AT ONE END AND A MOUTH AT THE OPPOSITE END; (B) A PISTON MEMBER SLIDABLY DISPOSED IN SAID PIPE HAVING A CLOSABLE PORT THROUGH WHICH LIQUID FROM SAID CONDUIT MAY PASS THROUGH SAID PISTON MEMBER TO SAID MOUTH OF SAID PIPE; (C) A CYLINDRICAL PROSPECTING MEANS FITTED IN SAID MOUTH OF SAID PIPE, SAID MEANS HAVING AN OUTSIDE DIAMETER SMALLER THAN THE INSIDE DIAMETER OF THE BORE OF SAID MOUTH SO AS TO FORM AN ANNULUS THEREBETWEEN THEREBY FORMING A NOZZLE IN THE MOUTH OF SAID PIPE FOR DIRECTING LIQUID PASSING THROUGH SAID PIPE OUT OF SAID MOUTH IN A JET; (D) A PRESSURE-RELEASABLE HOLDING MEANS IN SAID MOUTH FOR SECURING SAID PROSPECTING MEANS IN SAID MOUTH; AND (E) PLUGGING MEANS TO BE INSERTED UPSTREAM OF SAID PISTON MEANS FOR CLOSING SAID CLOSABLE PORT IN SAID PISTON MEMBER THEREBY CAUSING THE LIQUID PASSING THROUGH SAID PIPE TO ACT ON SAID PISTON FORCING SAID PROSPECTING MEANS OUT OF SAID MOUTH BY OVERCOMING SAID PRESSURE RELEASABLE HOLDING MEANS.
References Cited (Backward Citations)
US1994884A
Cited
US2067408A
Cited
US2137261A
Cited
US2239610A
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US2662602A
Cited
US2618999A
Cited
US2614804A
Cited
US2709617A
Cited
US2773669A
Cited
US2880967A
Cited
US3100542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |