US3198254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for completing wells
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1962-05-08
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Granted: 1965-08-03
•
Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Edward H Wise
- 👤 Jr Archer W Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:00
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF INSTALLING A WELL PACKER IN A WELL BORE, COMPRISING LOWERING THE WELL PACKER IN THE WELL BORE, THE APCKER HAVING A RELEASABLE LOCK PREVENTING THE WELL PACKER FROM BEING SET, OPERATIVELY CONNECTING A TUBULAR STRING THEREWITH WHICH EXTENDS FROM THE PACKER TO THE TOP OF THE WELL BORE, IMPARTING ENERGY TO SAID TUBULAR STRING BY STRESSING IT SUFFICIENTLY TO SET SAID PACKER IN THE WELL BORE, INSTALLING A WELL HEAD ASSEMBLY AT THE TOP OF THE WELL BORE AND CONNECTING SAID ASSEMBLY IN FINAL POSITION TO SAID TUBULAR STRING TO CONTROL FLUID FLOW THRETHROUGH AND TO PREVENT MOVEMENT OF THE UPPER PORTION OF SAID TUBULAR STRING; AND RELEASING SAID LOCK TO RELEASE THE ENERGY IN SAID TUBULAR STRING WHEREBY SAID TUBULAR STRING SETS SAID PACKER WITHOUT MOVEMENT OF THE UPPER PORTION OF SAID TUBULAR STRING.
Claim 2
Independent Claim
138 words
THE METHOD OF INSTALLING A WELL PACKER IN A WELL BORE, COMPRISING LOWERING THE WELL PACKER IN THE WELL BORE, THE APCKER HAVING A RELEASABLE LOCK PREVENTING THE WELL PACKER FROM BEING SET, OPERATIVELY CONNECTING A TUBULAR STRING THEREWITH WHICH EXTENDS FROM THE PACKER TO THE TOP OF THE WELL BORE, IMPARTING ENERGY TO SAID TUBULAR STRING BY STRESSING IT SUFFICIENTLY TO SET SAID PACKER IN THE WELL BORE, INSTALLING A WELL HEAD ASSEMBLY AT THE TOP OF THE WELL BORE AND CONNECTING SAID ASSEMBLY IN FINAL POSITION TO SAID TUBULAR STRING TO CONTROL FLUID FLOW THRETHROUGH AND TO PREVENT MOVEMENT OF THE UPPER PORTION OF SAID TUBULAR STRING; AND RELEASING SAID LOCK TO RELEASE THE ENERGY IN SAID TUBULAR STRING WHEREBY SAID TUBULAR STRING SETS SAID PACKER WITHOUT MOVEMENT OF THE UPPER PORTION OF SAID TUBULAR STRING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |