US3143170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for borehole operations
Assignee: Jersey Production Research Co
•
Filing: 1959-01-23
•
Granted: 1964-08-04
•
Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Norman A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/09; E21B43/00; E21B43/11; E21B43/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD FOR PERFORATING IN A WELL BORE HAVING A PLURALITY OF PIPE STRINGS ARRANGED THEREIN IN SIDE-BY-SIDE RELATIONSHIP COMPRISING THE STEPS OF: ESTABLISHING A FIXED ORIENTATION REFERENCE POINT IN ONE OF SAID PIPE STRINGS; DETECTING AND PERMANENTLY RECORDING THE ANGULAR POSITION OF ANOTHER OF SAID PIPE STRINGS RELATIVE TO THE ANGULAR POSITION OF SAID REFERENCE POINT;
Claim 2
Independent Claim
57 words
A METHOD FOR PERFORATING IN A WELL BORE HAVING A PLURALITY OF PIPE STRINGS ARRANGED THEREIN IN SIDE-BY-SIDE RELATIONSHIP COMPRISING THE STEPS OF: ESTABLISHING A FIXED ORIENTATION REFERENCE POINT IN ONE OF SAID PIPE STRINGS; DETECTING AND PERMANENTLY RECORDING THE ANGULAR POSITION OF ANOTHER OF SAID PIPE STRINGS RELATIVE TO THE ANGULAR POSITION OF SAID REFERENCE POINT;
References Cited (Backward Citations)
US2228623A
Cited
US2631671A
Cited
US2419468A
Cited
US2476137A
Cited
US2464930A
Cited
US2469461A
Cited
US2653007A
Cited
US2580544A
Cited
US2891620A
Cited
US2785754A
Cited
US2896718A
Cited
US2938584A
Cited
US3011550A
Cited
US3012608A
Cited
US2998068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |