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    • 4. 发明授权
    • Apparatus for passing electrical current through an underground formation
    • 用于使电流通过地下地层的装置
    • US4495990A
    • 1985-01-29
    • US427708
    • 1982-09-29
    • Charles H. TitusJohn K. WittleChristy W. Bell
    • Charles H. TitusJohn K. WittleChristy W. Bell
    • E21B43/24E21B43/00
    • E21B43/2401
    • An apparatus for passing electrical current from a D.C. power source through an underground formation in the extraction of carbonaceous fluids from beneath the earth's surface comprises an anode and a cathode remote from the anode. The anode is comprised of a containment positioned proximate to the underground formation within which is placed layers of material suitable for conduction. First conductor means connect the conduction material and the first terminal of the D.C. power source. The cathode is comprised of a wire screen housing of electrically conductive material which is supported within a well bore proximate to the underground formation. Second conductor means connects the wire screen housing to the second terminal of the D.C. power source. Electrical current from the power source is passed along the first conductor means, through the anode, through the underground formation, through the cathode and back to the power source through the second conductor means.
    • 一种用于在来自地下表面提取含碳流体的地方将来自直流电源的电流通过地下地层的装置包括远离阳极的阳极和阴极。 阳极由位于地下地层附近的容纳物组成,其中放置适于传导的材料层。 第一导体意味着连接导电材料和直流电源的第一端子。 阴极由导电材料的丝网外壳组成,其被支撑在靠近地下地层的井眼内。 第二导体装置将丝网外壳连接到直流电源的第二端。 来自电源的电流沿着第一导体装置通过阳极通过地下地层通过阴极并通过第二导体装置返回到电源。