Patent US3134437A successfully refreshed from Google Patents.
US3134437A
Expired / Lapsed
US
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Means and method of treating wells
Assignee: Dow Chemical Co
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Filing: 1960-08-30
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Granted: 1964-05-26
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Karpovich John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:50
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF TREATING AN EARTH WELL WHICH COMPRISES: (A) LOADING INTO A HOLLOW FRANGIBLE WALLED VESSEL EXPLODABLE MATERIAL FROM THE CLASS CONSISTING OF METAL HYDRIDES, METALLO-ORGANIC COMPOUNDS, ALKALI METALS, AND SHOCK SENSITIVE EXPLOSIVES, (B) SEALING SAID VESSEL, (C) LOWERING SAID SEALED VESSEL TO A PREDETERMINED POSITION IN SAID EARTH WELL, (D) COVERING SAID SEALED VESSEL WITH LIQUID, (E) SUBJECTING SAID VESSEL TO SUFFICIENT HYDRAULIC PRESSURE TO COMPRESS FLUID IN SAID WELL BORE AND TO IMPLODE AND SHATTER SAID VESSEL, AND (F) ON SHATTERING SAID VESSEL, EXPOSING SAID EXPLODABLE MATERIAL TO AMBIENT WELL BORE CONDITIONS WHICH INITIATE DETONATION OF SAID EXPLODABLE MATERIAL, THEREBY INDUCING THE FORMATION OF FRACTURES IN THE WALL OF SAID EARTH WELL ADJACENT BY MEANS OF THE SHOCK WAVE OF SAID IMPLOSION AND THE DETONATION OF SAID EXPLODABLE MATERIAL.
Claim 2
Independent Claim
132 words
A METHOD OF TREATING AN EARTH WELL WHICH COMPRISES: (A) LOADING INTO A HOLLOW FRANGIBLE WALLED VESSEL EXPLODABLE MATERIAL FROM THE CLASS CONSISTING OF METAL HYDRIDES, METALLO-ORGANIC COMPOUNDS, ALKALI METALS, AND SHOCK SENSITIVE EXPLOSIVES, (B) SEALING SAID VESSEL, (C) LOWERING SAID SEALED VESSEL TO A PREDETERMINED POSITION IN SAID EARTH WELL, (D) COVERING SAID SEALED VESSEL WITH LIQUID, (E) SUBJECTING SAID VESSEL TO SUFFICIENT HYDRAULIC PRESSURE TO COMPRESS FLUID IN SAID WELL BORE AND TO IMPLODE AND SHATTER SAID VESSEL, AND (F) ON SHATTERING SAID VESSEL, EXPOSING SAID EXPLODABLE MATERIAL TO AMBIENT WELL BORE CONDITIONS WHICH INITIATE DETONATION OF SAID EXPLODABLE MATERIAL, THEREBY INDUCING THE FORMATION OF FRACTURES IN THE WALL OF SAID EARTH WELL ADJACENT BY MEANS OF THE SHOCK WAVE OF SAID IMPLOSION AND THE DETONATION OF SAID EXPLODABLE MATERIAL.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |