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US3676078A Expired / Lapsed US ⏱️ 0.0 years remaining

Salt solution mining and geothermal heat utilization system

Assignee: INTERN SALT CO
•
Filing: 1970-03-19
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Granted: 1972-07-11
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Expires: 1990-03-19
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Abstract

Abstract A METHOD OF SOLUTION MINING AND RECRYSTALLIZATION RECOVERY OF SOLID SODIUM CHLORIDE SALT FORM UNDERGROUND OCCURRENCES THEREOF, WHICH UTILIZES THE LHEAT CONDUCTIVITY CHARACTERISTICS OF AN UNDERGROUND SALT SPINE, SPIRE, DOME, OR THE LIKE; WHEREBY THE LATEN HEAT OF THE EARTH''S CORE MAY BE EFFICIENTLY EMPLOYED IN THE RECRYSTALLIZATION PROCESS. THE HIGHLY (HEAT) CONDUCTIVE CHARACTERISTIC OF A SALT SPIRE OR THE LIKE SUCH AS HAS BEEN FORMED BY GEOLOGIC PLASTIC FLOW AND VERTICAL INTRUSION OF A PORTION OF A DEEPSEATED "MOTHER" BED OF SALT THROUGH THE RELAVIVELY HEATINSULATIVE OVERLYING ROCK STRATA, IS EMPLOYED TO DRAW HEAT FROM A HIGH TEMPERATURE GEOLOGIC STRUCTURE WHICH IS SO DEEP-SEATED AS TO BE ECONOMICALLY INACESSIBLE TO MODERN DRILLING EQUIPMENT. THIS HEAT ENERGY IS DRAWN INTO A "HEAT WELL" WHICH DEVELOPED AT AN UNDERGROUND LEVEL WHICH IS READILY WITHIN REACH OF MODERN EARTH BORE DRILLING TECHNIQUES; THE HEAT ENERGY FLOWING INTO THE "HEAT WELL" BEING THEREUPON TRANSMITTED AND UTILIZED INTHE SALT RECRYSTALLIZATION PROCESS FACILITY AT OR NEAR THE EARTH''S SURFACE.

Inventors

  • 👤 Charles H Jacoby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 00:16
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/04; C01D3/08; B; B01; B01D; B01D9/00; B01D9/0018; B01D9/0031; B01D9/0063; F; F24; F24T; F24T10/00; F24T10/30; Y; Y02; Y02E; Y02E10/00; Y02E10/10; Y10; Y10S; Y10S159/00; Y10S159/902

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1975-07-11 1976-01-10 1976-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-11 1980-01-10 1980-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-11 1984-01-10 1984-07-11 $7700.00 Window Closed / Lapsed

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