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    • 6. 发明授权
    • NMR contrast logging
    • NMR对比测井
    • US08610431B2
    • 2013-12-17
    • US13012929
    • 2011-01-25
    • Songhua ChenDaniel Georgi
    • Songhua ChenDaniel Georgi
    • G01V3/00
    • G01V3/32
    • An apparatus for estimating a property of an earth formation penetrated by a borehole, the apparatus includes: a carrier configured to be conveyed through the borehole; a nuclear magnetic resonance (NMR) instrument disposed at the carrier and configured to perform an NMR measurement on a volume sensitive to the NMR measurement; and a contrast agent disposed in the volume and comprising particles that form a suspension in a liquid, the suspension of particles being configured increase a magnetic field gradient of at least one earth formation material in the volume to change an NMR relaxation time constant of the at least one earth formation material; wherein the NMR measurement on the volume containing the at least one earth formation material and the contrast agent is used to estimate the property.
    • 一种用于估计由钻孔穿透的地层的性质的装置,所述装置包括:构造成被输送通过所述钻孔的载体; 设置在载体上并被配置为对对NMR测量敏感的体积进行NMR测量的核磁共振(NMR)仪器; 以及设置在体积中并包含在液体中形成悬浮液的颗粒的造影剂,构造的颗粒悬浮液增加体积中的至少一种地球形成材料的磁场梯度,以改变在该体积中的NMR弛豫时间常数 至少一个地层材料; 其中使用包含至少一种地球形成材料和造影剂的体积上的NMR测量来估计该性质。
    • 9. 发明申请
    • NMR CONTRAST LOGGING
    • NMR对比度记录
    • US20110181278A1
    • 2011-07-28
    • US13012929
    • 2011-01-25
    • Songhua ChenDaniel Georgi
    • Songhua ChenDaniel Georgi
    • G01V3/32
    • G01V3/32
    • An apparatus for estimating a property of an earth formation penetrated by a borehole, the apparatus includes: a carrier configured to be conveyed through the borehole; a nuclear magnetic resonance (NMR) instrument disposed at the carrier and configured to perform an NMR measurement on a volume sensitive to the NMR measurement; and a contrast agent disposed in the volume and comprising particles that form a suspension in a liquid, the suspension of particles being configured increase a magnetic field gradient of at least one earth formation material in the volume to change an NMR relaxation time constant of the at least one earth formation material; wherein the NMR measurement on the volume containing the at least one earth formation material and the contrast agent is used to estimate the property.
    • 一种用于估计由钻孔穿透的地层的性质的装置,所述装置包括:构造成被输送通过所述钻孔的载体; 设置在载体上并被配置为对对NMR测量敏感的体积进行NMR测量的核磁共振(NMR)仪器; 以及设置在体积中并包含在液体中形成悬浮液的颗粒的造影剂,构造的颗粒悬浮液增加体积中的至少一种地球形成材料的磁场梯度,以改变在该体积中的NMR弛豫时间常数 至少一个地层材料; 其中使用包含至少一种地球形成材料和造影剂的体积上的NMR测量来估计该性质。