US3354950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for accommodating telescoping action
Assignee: Halliburton Co
•
Filing: 1965-02-25
•
Granted: 1967-11-28
•
Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Walter E Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/07; E21B47/00; E21B47/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A METHOD OF ENABLING FLUID PRESSURE WITHIN CONDUIT MEANS TO BE CHANGED WITHOUG SUBSTANTIALLY AFFECTING AXIAL FORCE TRANSMITTED THROUGH SAID CONDUIT MEANS, SAID METHOD COMPRISING: DISPOSING A CONDUIT STRING HAVING TELESCOPING FIRST AND SECOND PORTIONS WITHIN A WELL, WITH THE LOWERMOST OF SAID PORTIONS HAVING A CLOSED INTERIOR BENEATH SAID FIRST AND SECPND PORTIONS; FILLING THE INTERIOR OF SAID CONDUIT STRING WITH PRESSURIZED FLUID;
References Cited (Backward Citations)
US2373280A
Cited
US2402157A
Cited
US2417249A
Cited
US2606003A
Cited
US2838283A
Cited
US3195638A
Cited
US3179179A
Cited
US3211224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |