Patent US3100443A successfully refreshed from Google Patents.
US3100443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped charge apparatus
Assignee: Schlumberger Well Surveying Corp
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Filing: 1960-06-03
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Granted: 1963-08-13
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Expires: 1980-06-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Pohoriles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:23
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/117; F; F42; F42B; F42B3/00; F42B3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A PERFORATING ASSEMBLY FOR USE IN A CASED WELL BORE INCLUDING: A PLURALITY OF SHAPED CHARGE CAPSULES WHEREIN EACH CAPSULE HAS OPPOSITELY DISPOSED FIRST AND SECOND, LONGITUDINALLY EXTENDING CONNECTING PORTIONS, SAID FIRST CONNECTING PORTION OF EACH CAPSULE HAVING A BIFURCATED END THEREBY FORMING A FIRST SLOT DEFINED BY SURFACES BETWEEN LUG PORTIONS, SAID SECOND CONNECTING PORTION OF EACH CAPSULE HAVING A BIFURCATED END THEREBY FORMING A SECOND SLOT DEFINED BY SURFACES BETWEEN LUG PORTIONS, SAID FIRST AND SECOND CONNECTING PORTIONS OF EACH CAPSULE BEING DISPOSED RELATIVE TO A FIRST LONGITUDINAL PLANE PASSING THERETHROUGH SO THAT SAID FIRST AND SECOND SLOTS LIE TO EITHER SIDE OF SAID FIRST PLANE WITH A SURFACE OF EACH SLOT SUBSTANTIALLY COEXTENSIVE WITH SAID FIRST PLANE, SAID SLOTS BEING SIZED RELATIVE TO LUG PORTIONS OF SAID CONNECTING PORTIONS FOR CLOSE FITTING COUPLING OF CONNECTING PORTIONS OF SAID CAPSULES TO MAINTAIN ALIGNMENT OF SAID SLOT SURFACES; AND MEANS PIVOTALLY COUPLING CONNECTING PORTIONS OF SAID CAPSULES TO ONE ANOTHER FOR FORMING AN ARTICULATED ASSEMBLY OF INTERCONNECTED CAPSULES; AND MAGNETIC ORIENTING APPARATUS COUPLED TO SAID ARTICULATED ASSEMBLY AND HAVING A RESULTANT FORCE OF MAGNETIC ATTRACTION ALONG A SECOND PLANE EXTENDING LENGTHWISE OF SAID ASSEMBLY, SAID SECOND PLANE HAVING A FIXED ALIGNMENT RELATIVE TO
Claim 2
Dependent Claim
204 words
A PERFORATING ASSEMBLY FOR USE IN A CASED WELL BORE INCLUDING: A PLURALITY OF SHAPED CHARGE CAPSULES WHEREIN EACH CAPSULE HAS OPPOSITELY DISPOSED FIRST AND SECOND, LONGITUDINALLY EXTENDING CONNECTING PORTIONS, SAID FIRST CONNECTING PORTION OF EACH CAPSULE HAVING A BIFURCATED END THEREBY FORMING A FIRST SLOT DEFINED BY SURFACES BETWEEN LUG PORTIONS, SAID SECOND CONNECTING PORTION OF EACH CAPSULE HAVING A BIFURCATED END THEREBY FORMING A SECOND SLOT DEFINED BY SURFACES BETWEEN LUG PORTIONS, SAID FIRST AND SECOND CONNECTING PORTIONS OF EACH CAPSULE BEING DISPOSED RELATIVE TO A FIRST LONGITUDINAL PLANE PASSING THERETHROUGH SO THAT SAID FIRST AND SECOND SLOTS LIE TO EITHER SIDE OF SAID FIRST PLANE WITH A SURFACE OF EACH SLOT SUBSTANTIALLY COEXTENSIVE WITH SAID FIRST PLANE, SAID SLOTS BEING SIZED RELATIVE TO LUG PORTIONS OF SAID CONNECTING PORTIONS FOR CLOSE FITTING COUPLING OF CONNECTING PORTIONS OF SAID CAPSULES TO MAINTAIN ALIGNMENT OF SAID SLOT SURFACES; AND MEANS PIVOTALLY COUPLING CONNECTING PORTIONS OF SAID CAPSULES TO ONE ANOTHER FOR FORMING AN ARTICULATED ASSEMBLY OF INTERCONNECTED CAPSULES; AND MAGNETIC ORIENTING APPARATUS COUPLED TO SAID ARTICULATED ASSEMBLY AND HAVING A RESULTANT FORCE OF MAGNETIC ATTRACTION ALONG A SECOND PLANE EXTENDING LENGTHWISE OF SAID ASSEMBLY, SAID SECOND PLANE HAVING A FIXED ALIGNMENT RELATIVE TO
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |