US3199613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drilling an underwater well
Assignee: Shell USA Inc
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Filing: 1962-09-28
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Granted: 1965-08-10
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Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Malott
- 👤 Glenn D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:17
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/0007; E21B41/0014
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
163 words
A METHOD OF LOCATING AND ESTABLISHING CONTACT WITH AN UNDERWATER WELL FROM A VESSEL ON THE SURFACE OF A BODY OF WATER, SAID METHOD COMPRISING (A) POSITIONING A DRILLING VESSEL AT A SELECTED OFFSHORE LOCATION (B) MAKING UP AT THE VESSEL A PIPE STRING HAVING AN AXIAL OPENING IN THE LOWER END THEREOF, (C) LOWERING THE LOWER END OF SAID PIPE STRING FROM SAID VESSEL TO A POSITION NEAR THE OCEAN FLOOR BENEATH SAID BODY OF WATER, (D) LOWERING DOWN THROUGH SAID PIPE STRING AND POSITIONING IN THE LOWER END OF SAID PIPE STRING WELL FINDING MEANS OPERATIVELY CONNECTED TO INDICATING MEANS ON SAID VESSEL (E) MOVING SAID PIPE STRING AND SAID WELL FINDING MEANS MENS TO SCAN THE OCEAN FLOOR AND LOCATE THE TOP OF THE WELL DRILLED IN SAID OCEAN FLOOR AND TO POSITION THE LOWER END OF THE PIPE STRING IN REGISTER THEREABOVE, AND (F) LOWERING SAID PIPE STRING UNTIL AT LEAST THE LOWER END THEREOF IS IN THE WELL.
Claim 2
Independent Claim
163 words
A METHOD OF LOCATING AND ESTABLISHING CONTACT WITH AN UNDERWATER WELL FROM A VESSEL ON THE SURFACE OF A BODY OF WATER, SAID METHOD COMPRISING (A) POSITIONING A DRILLING VESSEL AT A SELECTED OFFSHORE LOCATION (B) MAKING UP AT THE VESSEL A PIPE STRING HAVING AN AXIAL OPENING IN THE LOWER END THEREOF, (C) LOWERING THE LOWER END OF SAID PIPE STRING FROM SAID VESSEL TO A POSITION NEAR THE OCEAN FLOOR BENEATH SAID BODY OF WATER, (D) LOWERING DOWN THROUGH SAID PIPE STRING AND POSITIONING IN THE LOWER END OF SAID PIPE STRING WELL FINDING MEANS OPERATIVELY CONNECTED TO INDICATING MEANS ON SAID VESSEL (E) MOVING SAID PIPE STRING AND SAID WELL FINDING MEANS MENS TO SCAN THE OCEAN FLOOR AND LOCATE THE TOP OF THE WELL DRILLED IN SAID OCEAN FLOOR AND TO POSITION THE LOWER END OF THE PIPE STRING IN REGISTER THEREABOVE, AND (F) LOWERING SAID PIPE STRING UNTIL AT LEAST THE LOWER END THEREOF IS IN THE WELL.
Claim 3
Dependent Claim
126 words
APPARATUS FOR LOCATING AND ESTABLISHING CONTACT BETWEEN A VESSEL ON THE SURFACE OF THE OCEAN AND A HOLE IN THE OCEAN FLOOR, SAID APPARATUS COMPRISING A PIPE STRING DEPENDING FROM SAID VESSEL WITH THE LOWER END OF THE PIPE STRING NEAR THE OCEAN FLOOR, MEANS ON SAID VESSEL FOR SUEPENDING SAID PIPE STRING NEAR ITS UPPER END, TELEVISION MEAN CARRIED AT LEAST PARTIALLY WITHIN SAID PIPE STRING AT THE LOWER END THEREOF AND TELEVISION RECEIVING MEANS CARRIED ON SAID VESSEL FOR VIEWING THE AREA AROUND THE LOWER END OF THE PIPE STRING, A CABLE EXTENDING FROM SAID TELEVISION MEANS UPWARDLY THROUGH SAID PIPE STRING TO THE TELEVISION RECEIVING MEANS ON THE VESSEL AT THE SURFACE, AND MEANS FOR MOVING SAID PIPE STRING RELATIVE TO SAID OCEAN.
Claim 4
Dependent Claim
126 words
APPARATUS FOR LOCATING AND ESTABLISHING CONTACT BETWEEN A VESSEL ON THE SURFACE OF THE OCEAN AND A HOLE IN THE OCEAN FLOOR, SAID APPARATUS COMPRISING A PIPE STRING DEPENDING FROM SAID VESSEL WITH THE LOWER END OF THE PIPE STRING NEAR THE OCEAN FLOOR, MEANS ON SAID VESSEL FOR SUEPENDING SAID PIPE STRING NEAR ITS UPPER END, TELEVISION MEAN CARRIED AT LEAST PARTIALLY WITHIN SAID PIPE STRING AT THE LOWER END THEREOF AND TELEVISION RECEIVING MEANS CARRIED ON SAID VESSEL FOR VIEWING THE AREA AROUND THE LOWER END OF THE PIPE STRING, A CABLE EXTENDING FROM SAID TELEVISION MEANS UPWARDLY THROUGH SAID PIPE STRING TO THE TELEVISION RECEIVING MEANS ON THE VESSEL AT THE SURFACE, AND MEANS FOR MOVING SAID PIPE STRING RELATIVE TO SAID OCEAN.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |