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    • 3. 发明授权
    • Method and device for the in-situ elimination of hazardous substances from the groundwater and perched water
    • 从地下水和栖水中原位清除有害物质的方法和装置
    • US06321837B1
    • 2001-11-27
    • US09575376
    • 2000-05-22
    • Falk DoeringNiels Doering
    • Falk DoeringNiels Doering
    • E21B4312
    • B09C1/085B09C1/002C02F1/20C02F1/4672C02F1/4676C02F1/4678C02F2101/322C02F2101/36C02F2103/06E21B43/38
    • An in-well method removes hazardous organic substances including oily phases topping the groundwater (LNAPL) and dense liquid non-aqueous phases (DNAPL) occurring on top of the aquitard, irrespective of the viscosity of the pollutants, from groundwater and/or the perched water. In one embodiment, volatile organic pollutants are stripped from the contaminated water by an injected gas stream inside the well. In a second embodiment, the well acts as an electrode. By imparting an electrolytic current between the electrode well and a counter electrode, the organic pollutants are electrochemically degraded while at the same time within the well the degraded pollutants are stripped from the water. By the same arrangement metal ions and colloids can be caused to precipitate onto the well casing. Apparatus for carrying out these methods is also disclosed. In distinction from hitherto known solutions, the method and apparatus are applicable to low performing wells having a low natural throughput, shallow aquifers and in fizzurized rock.
    • 井内方法除去有害的有机物质,包括在地下水和/或栖息地上发生在地下水顶部的地下水(LNAPL)和致密液体非水相(DNAPL)的油相,不管污染物的粘度如何。 水。 在一个实施方案中,挥发性有机污染物通过井内注入的气流从污染的水中去除。 在第二实施例中,阱用作电极。 通过在电极井和对电极之间施加电解电流,有机污染物被电化学降解,同时在井内同时从水中除去降解的污染物。 通过相同的布置,可以使金属离子和胶体沉淀到阱套管上。 还公开了用于实施这些方法的装置。 与迄今为止已知的解决方案不同,该方法和装置适用于具有低天然产量,浅层含水层和絮状岩石的低性能井。
    • 4. 发明授权
    • Method for removing inorganic compounds from a section of soil
    • 从土壤部分去除无机化合物的方法
    • US06984306B2
    • 2006-01-10
    • US10182726
    • 2001-02-08
    • Falk DoeringNiels Doering
    • Falk DoeringNiels Doering
    • B09C1/00
    • B09C1/085
    • The invention relates to a method for removing inorganic compounds from a section of soil. By regulating an electric voltage applied between two or more electrodes (1, 2) disposed in the section of soil (3) to values equal or below the electrokinetic point (61), inorganic compounds are electrochemically modified in situ in such a manner that they are electrokinetically mobilized and can be directly deposited on the electrodes (1, 2). According to the invention, the electrokinetic point (61) is adjusted and reached by applying a voltage to the electrodes (1, 2) and controlling it, once, after passing a first current/voltage zone (62) of a first gradient, a second current/voltage zone (63) of a second gradient that is smaller than the first gradient is reached.
    • 本发明涉及从一部分土壤中去除无机化合物的方法。 通过将设置在土壤(3)部分中的两个或更多个电极(1,2)之间施加的电压调节到等于或低于电动点(61)的值,无机化合物在现场进行电化学修饰,使得它们 电动移动并且可以直接沉积在电极(1,2)上。 根据本发明,通过向电极(1,2)施加电压并且在通过第一梯度的第一电流/电压区域(62)之后,一次控制电动点(61) 达到小于第一梯度的第二梯度的第二电流/电压区(63)。
    • 6. 发明申请
    • Chain drive system
    • 链驱动系统
    • US20050263325A1
    • 2005-12-01
    • US10857395
    • 2004-05-28
    • Falk DoeringWade DuPree
    • Falk DoeringWade DuPree
    • B62D55/20E21B4/00E21B10/00E21B23/14F16H7/06
    • F16H7/06E21B23/14Y10T74/198
    • A system is provided for driving a chain or other flexible device. The system may include a power source connected to one or more screws that are engageable with the chain. Rotation of the screw or screws results in linear motion of the chain. The screws may be power screws, lead screws, or other known types of screws. One or more power screws may be used in combination with threaded components, such as split or quarter nuts, which are connected to the chain. One or more lead screws may be used in combination with rollers that are connected to the chain. Two lead screws may be mounted on opposite sides of the chain in generally parallel relationship and engaged with rollers that are mounted on opposite sides of the chain; the two lead screws preferably rotate in opposite directions to impart linear motion to the chain. The system has a variety of applications, such as in downhole tractors for use in oil and gas applications, toys, military tanks, any type of vehicle, etc.
    • 提供一种用于驱动链条或其他柔性装置的系统。 该系统可以包括连接到可与链条接合的一个或多个螺钉的电源。 螺丝或螺丝的旋转导致链条的直线运动。 螺丝可以是动力螺钉,导螺杆或其他已知类型的螺钉。 一个或多个电动螺钉可以与螺纹部件组合使用,例如连接到链条的分叉或四分之一螺母。 一个或多个导螺杆可以与连接到链条的滚轮组合使用。 两个导螺杆可以大致平行的关系安装在链条的相对侧上,并与安装在链条相对侧上的滚轮啮合; 两个导螺杆优选地沿相反方向旋转以向链条施加线性运动。 该系统具有各种应用,例如用于石油和天然气应用的井下拖拉机,玩具,军事坦克,任何类型的车辆等。
    • 7. 发明申请
    • CONSTANT FORCE ACTUATOR
    • 恒力执行器
    • US20060180318A1
    • 2006-08-17
    • US11277778
    • 2006-03-29
    • Falk DoeringCarl Roy
    • Falk DoeringCarl Roy
    • E21B23/02
    • E21B4/18E21B17/1021E21B23/14E21B2023/008
    • A radially expandable tool is provided that includes a tool body and a radially moveable member coupled to the tool body and in force receiving relation to a constant force actuator. The radially moveable member is movable by the constant force actuator from an closed position to a plurality of radially expanded open positions, which includes a fully open position. The constant force actuator includes an opening arm having a force transmission member; and a movement control guide in force reacting engagement with the force transmission member. The tool also includes a linear force generator; which applies a linear force to the constant force actuator, which the actuator transfers to a radial force perpendicular to the linear force. When the linear force is constant, the radial force transferred by the actuator is constant for each radial position of the radially moveable member from the closed position to the fully opened position due to the interaction of the force transmission member and the movement control guide.
    • 提供了一种可径向扩展的工具,其包括工具主体和联接到工具主体并且有力地接收恒定力致动器的关系的可径向移动的构件。 径向移动构件可通过恒力致动器从关闭位置移动到包括完全打开位置的多个径向扩张的打开位置。 恒力致动器包括具有力传递构件的开启臂; 以及与所述力传递构件力反作用的运动控制引导件。 该工具还包括一个线性力发生器; 其向恒力致动器施加线性力,致动器致动器传递到垂直于线性力的径向力。 当线性力恒定时,由于力传递部件和移动控制引导件的相互作用,由致动器传递的径向力对于径向可移动部件从关闭位置到完全打开位置的每个径向位置是恒定的。
    • 9. 发明申请
    • Open hole tractor with tracks
    • 带轨道的开孔拖拉机
    • US20050034874A1
    • 2005-02-17
    • US10891782
    • 2004-07-15
    • Julio GuerreroFalk DoeringCarl RoyPaul Beguin
    • Julio GuerreroFalk DoeringCarl RoyPaul Beguin
    • E21B23/00E21B23/14E21B19/16E21B4/00
    • E21B23/14E21B2023/008
    • A downhole tractor is provided that may be used in open or cased wells, and is also designed for use in open holes having a variety of soil/formation consistencies (e.g., soft, firm, rigid, etc.), varying diameters and non-uniform and irregular bore profiles. The tractor may include a track assembly including a plurality of idler wheels and a continuous track rotatably disposed around the idler wheels. A motor may be adapted to rotate the track around the idler wheels. Upper and lower arms may be pivotally connected to opposite ends of the track assembly and pivotally connected to a tractor housing. An actuator arm or link assembly may be provided to impart an outward force to the track assembly to move the track assembly outwardly into an open position and a retracting force to retract the track assembly into a closed position. A rotatable screw may be connected to a second motor, or a rod may be connected to a hydraulic system, to actuate the actuator arm or link assembly.
    • 提供了一种井下拖拉机,可用于开放井或套管井,并且还设计用于具有多种土壤/地层一致性(例如,软,坚固,刚性等),变化的直径和非均匀性的开孔, 均匀和不规则的孔型材。 拖拉机可以包括轨道组件,该轨道组件包括多个惰轮,以及围绕惰轮可旋转地设置的连续轨道。 马达可以适于围绕惰轮旋转轨道。 上臂和下臂可以枢转地连接到轨道组件的相对端并枢转地连接到拖拉机壳体。 可以提供致动器臂或连杆组件以向轨道组件施加向外的力以将轨道组件向外移动到打开位置和缩回力以将轨道组件缩回到关闭位置。 可旋转螺杆可以连接到第二马达,或者杆可以连接到液压系统,以致动致动器臂或连杆组件。