Method and system for evaluation of gamma-gamma well logging data in mineral exploration
一种γ测井、矿物的技术,应用在γ-γ工具和其对应的校准场领域,能够解决不准确信息、井眼分析不同技术不准确等问题
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[0023] The present invention provides a calibration field for a gamma-gamma logging tool for use in mineral exploration, the calibration field comprising: a column consisting of a plurality of blocks of known density; objects to accommodate gamma-gamma logging tools.
[0024] The present invention further provides a method for calibrating a gamma-gamma logging tool at a calibration site, comprising: lowering a gamma-gamma logging tool into a plurality of blocks of different known densities and having boreholes therein in a column receiving a gamma-gamma logging tool; elevating the gamma-gamma logging tool at a set rate; acquiring a radiation count at a sensor of the gamma-gamma logging tool; and converting the radiation count at a computing device to recording density at a particular depth; and comparing the recording density at each location of the pillars to known densities.
[0025] Gamma-gamma logging involves exposing the borehole wall to radiation source induction and c...
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