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    • 4. 发明授权
    • Heater and method for recovering hydrocarbons from underground deposits
    • 从地下沉积物回收碳氢化合物的加热器和方法
    • US09127541B2
    • 2015-09-08
    • US13127969
    • 2009-11-02
    • Alan K. BurnhamP. Henrik WallmanJames R. McConaghyRoger L. Day
    • Alan K. BurnhamP. Henrik WallmanJames R. McConaghyRoger L. Day
    • E21B43/243
    • E21B43/243
    • Heaters are presented to aid in the recovery of hydrocarbon from underground deposits. A heater is provided to a well that has been drilled through an oil-shale deposit. A fuel and an oxidizer are provided to the heater and flue gases are recovered. The heater has a counterflow design and provides a nearly uniform temperature along the heater length. The heater may be designed to operate at different temperatures and depths to pyrolyze or otherwise heat underground hydrocarbon deposits to form a product that is easily recovered and which is useful without substantial further processing. Various counterflow heaters are described including heaters having, down the heater length, distributed reaction zones, distributed catalytic oxidation of the fuel, and discrete or continuous heat generation. The heaters may also utilize inert gases from product recovery or from heater flue gases to control the heater temperature.
    • 提供加热器来帮助从地下沉积物回收碳氢化合物。 向通过油页岩沉积物钻出的井提供加热器。 燃料和氧化剂被提供给加热器并且废气被回收。 加热器具有逆流设计,并沿加热器长度提供几乎均匀的温度。 加热器可以设计成在不同的温度和深度下操作以热解或以其它方式加热地下烃沉积物以形成容易回收的产物,并且其在没有实质的进一步加工的情况下是有用的。 描述了各种逆流加热器,其包括在加热器长度,分布式反应区,燃料的分布式催化氧化以及离散或连续发热的加热器。 加热器还可以利用来自产品回收或来自加热器烟道气体的惰性气体来控制加热器温度。