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    • 3. 发明申请
    • METHOD FOR UNDERGROUND RECOVERY OF HYDROCARBONS
    • 烃回收方法
    • WO2006128165A3
    • 2007-11-22
    • PCT/US2006020901
    • 2006-05-26
    • OIL SANDS UNDERGROUND MINING IWATSON JOHN DAVIDKOBLER MICHAEL HELMUTBROCK DANA
    • WATSON JOHN DAVIDKOBLER MICHAEL HELMUTBROCK DANA
    • E21C41/24
    • E21B43/00E21B33/03E21B43/305E21C41/24E21D9/08E21D11/083
    • The present invention discloses a method for installing, operating and servicing wells in a hydrocarbon deposit from a lined shaft and/or tunnel system that is installed above, into or under a hydrocarbon deposit. The entire process of installing the shafts and tunnels as well as drilling and operating the wells is carried out while maintaining isolation between the work space and the ground formation. In one aspect of the invention, well-head devices may be precast into the tunnel or shaft lining to facilitate well installation and operation in the presence of formation pressure and/or potential fluid in-fiows. In another aspect of the invention, the tunnel itself can be used as a large diameter well for collecting hydrocarbons and, if required, for injecting steam or diluents into a formation to mobilize heavy hydrocarbons such as heavy crude and bitumen.
    • 本发明公开了一种用于安装,操作和维修来自安装在烃沉积物中或之下的衬里轴和/或隧道系统的烃沉积物中的井的方法。 在保持工作空间和地面之间的隔离的同时进行安装井筒和隧道以及钻井和操作井的整个过程。 在本发明的一个方面,井头装置可以预制在隧道或轴衬里中,以便在存在地层压力和/或潜在的流体流入的情况下便于安装和操作。 在本发明的另一方面,隧道本身可以用作用于收集碳氢化合物的大直径井,并且如果需要,将其用于将蒸汽或稀释剂注入地层以调动重质烃如重质原油和沥青。