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    • 1. 发明申请
    • GAMMA RAY GENERATOR
    • GAMMA RAY发电机
    • WO2010118119A2
    • 2010-10-14
    • PCT/US2010/030216
    • 2010-04-07
    • BAKER HUGHES INCORPORATEDINANC, FeyziGILCHRIST, Allen, W.
    • INANC, FeyziGILCHRIST, Allen, W.
    • G01V5/10G01V5/12E21B49/00
    • G01V5/125
    • An instrument for performing measurements downhole, includes an irradiator oriented to irradiate sub-surface materials surrounding the instrument, the irradiator including at least one neutron source disposed proximate to a moderator for providing a source of inelastic gamma photons and also disposed proximate to a material for providing a source of capture gamma photons; and a first detector and a second detector, each detector for detecting gamma rays and oriented in a relationship to the irradiator for receiving gamma photons from at least one of the irradiator and the formation. A method for irradiating sub-surface materials is provided.
    • 用于在井下进行测量的仪器包括照射器,其被定向成照射围绕所述仪器的次表面材料,所述辐射器包括至少一个靠近所述调节器设置的中子源,用于提供非弹性γ光子源,并且还设置在靠近材料的位置 提供捕获伽马光子的来源; 以及第一检测器和第二检测器,每个检测器用于检测伽马射线并且与辐照器的关系定向,用于接收来自辐照器和地层中的至少一个的伽马光子。 提供一种照射次表面材料的方法。