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US3103975A
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Communication between wells
Assignee: Dow Chemical Co
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Filing: 1959-04-10
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Granted: 1963-09-17
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Alden W Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/17; E21B43/24; E21B43/2401; E21B43/25; E21B43/26; E21B43/27; E21B43/28; E21B43/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF TREATING A SUBTERRANEAN FORMATION TRAVERSED BY TWO WELLS CONSISTING OF FRACTURING SAID FORMATION TO PRODUCE A FRACTURE WHICH EXTENDS FROM ONE WELL TO ANOTHER, POSITIONING AN ELECTRODE TO OPPOSITE CHARGE IN THE FORMATION ADJACENT TO THE WELLBORES IN EACH OF SAID WELLS TRAVERSED THEREBY, CONNECTING SAID ELECTRODES TO A CONDUCTOR LEADING TO A SOURCE OF ELETRICITY PASSING THROUGH AN ELECTRICAL CURRENT INDICATOR TO ESTABLISH SUFFICIENT POTENTIAL IN SAID FORMATION TO REGISTER A FLOW OF CURRENT ON SAID INDICATOR, INJECTING AN ELECTROLYTE DOWN ONE OF SAID WELLS UNDER SUFFICIENT PRESSURE TO CAUSE SOME OF SAID ELECTROLYTE TO PASS ALONG THE FRACTURE CONNECTING THE TWO WELLS THEREBY INCREASING THE FLOW OF ELECTRICITY BETWEEN THE ELECTRODES AS INDICATED ON THE AMMETER, AND CONTINUING TO PASS SAID ELECTROLYTE ALONG SAID CONNECTING FACTURE TO PRODUCE HEAT TO ENLARGE SAID FRACTURE.
Claim 2
Independent Claim
138 words
THE METHOD OF TREATING A SUBTERRANEAN FORMATION TRAVERSED BY TWO WELLS CONSISTING OF FRACTURING SAID FORMATION TO PRODUCE A FRACTURE WHICH EXTENDS FROM ONE WELL TO ANOTHER, POSITIONING AN ELECTRODE TO OPPOSITE CHARGE IN THE FORMATION ADJACENT TO THE WELLBORES IN EACH OF SAID WELLS TRAVERSED THEREBY, CONNECTING SAID ELECTRODES TO A CONDUCTOR LEADING TO A SOURCE OF ELETRICITY PASSING THROUGH AN ELECTRICAL CURRENT INDICATOR TO ESTABLISH SUFFICIENT POTENTIAL IN SAID FORMATION TO REGISTER A FLOW OF CURRENT ON SAID INDICATOR, INJECTING AN ELECTROLYTE DOWN ONE OF SAID WELLS UNDER SUFFICIENT PRESSURE TO CAUSE SOME OF SAID ELECTROLYTE TO PASS ALONG THE FRACTURE CONNECTING THE TWO WELLS THEREBY INCREASING THE FLOW OF ELECTRICITY BETWEEN THE ELECTRODES AS INDICATED ON THE AMMETER, AND CONTINUING TO PASS SAID ELECTROLYTE ALONG SAID CONNECTING FACTURE TO PRODUCE HEAT TO ENLARGE SAID FRACTURE.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |