US3347318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well tool with rotary valve
Assignee: Halliburton Co
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Filing: 1965-11-24
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Granted: 1967-10-17
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Expires: 1985-11-24
Abstract
No abstract record available.
Inventors
- 👤 Burchus Q Barrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; E21B47/00; E21B47/10; E21B47/117; E21B2200/00; E21B2200/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN APPARATUS FOR CONTROLLING PASSAGE MEANS IN A WELL BORE, SAID APPARATUS COMPRISING: CONDUIT MEANS ADAPTED TO BE DISPOSED WITHIN A WELL BORE AND INCLUDING A FIRST CONDUIT PORTION, MOVEMENT IMPEDING MEANS CONNECTED WITH SAID FIRST CONDUIT PORTION AND ENGAGEABLE WITH A WELL PORTION TO IMPEDE AXIAL MOVEMENT OF SAID FIRST CONDUIT PORTION, AND A SECOND CONDUIT PORTION SUPPORTED FOR AXIAL MOVEMENT RELATIVE TO SAID FIRST CONDUIT PORTION; MEANS DEFINING A PASSAGE EXTENDING LONGITUDINALLY OF SAID CONDUIT MEANS; FIRST ABUTMENT MEANS MOUNTED ON SAID FIRST CONDUIT PORTION; SECOND ABUTMENT MEANS MOUNTED FOR AXIAL MOVEMENT WITHIN SAID SECOND CONDUIT MEANS; AXIALLY AND RESILIENT COMPRESSIBLE MEANS BETWEEN SAID FIRST AND SECOND ABUTMENT MEANS; VALVE OPERATING MEANS CONNECTED WITH SAID SECOND ABUTMENT MEANS AND OPERABLE IN RESPONSE TO AXIAL MOVEMENT OF SAID SECOND CONDUIT PORTION; AND ROTARY VALVE MEANS CARRIED BY SAID CONDUIT MEANS OPERABLY CONNECTED WITH SAID VALVE OPERATING MEANS, AND ADAPTED TO CONTROL FLUID FLOW THROUGH SAID PASSAGE.
Claim 2
Independent Claim
157 words
AN APPARATUS FOR CONTROLLING PASSAGE MEANS IN A WELL BORE, SAID APPARATUS COMPRISING: CONDUIT MEANS ADAPTED TO BE DISPOSED WITHIN A WELL BORE AND INCLUDING A FIRST CONDUIT PORTION, MOVEMENT IMPEDING MEANS CONNECTED WITH SAID FIRST CONDUIT PORTION AND ENGAGEABLE WITH A WELL PORTION TO IMPEDE AXIAL MOVEMENT OF SAID FIRST CONDUIT PORTION, AND A SECOND CONDUIT PORTION SUPPORTED FOR AXIAL MOVEMENT RELATIVE TO SAID FIRST CONDUIT PORTION; MEANS DEFINING A PASSAGE EXTENDING LONGITUDINALLY OF SAID CONDUIT MEANS; FIRST ABUTMENT MEANS MOUNTED ON SAID FIRST CONDUIT PORTION; SECOND ABUTMENT MEANS MOUNTED FOR AXIAL MOVEMENT WITHIN SAID SECOND CONDUIT MEANS; AXIALLY AND RESILIENT COMPRESSIBLE MEANS BETWEEN SAID FIRST AND SECOND ABUTMENT MEANS; VALVE OPERATING MEANS CONNECTED WITH SAID SECOND ABUTMENT MEANS AND OPERABLE IN RESPONSE TO AXIAL MOVEMENT OF SAID SECOND CONDUIT PORTION; AND ROTARY VALVE MEANS CARRIED BY SAID CONDUIT MEANS OPERABLY CONNECTED WITH SAID VALVE OPERATING MEANS, AND ADAPTED TO CONTROL FLUID FLOW THROUGH SAID PASSAGE.
References Cited (Backward Citations)
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US3310114A
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |