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    • 1. 发明授权
    • Method for determining reservoir permeability form borehole Stoneley-wave attenuation using Biot's poroelastic theory
    • 使用Biot的多孔弹性理论确定储层渗透率的方法用于钻孔Stoneley波衰减
    • US07830744B2
    • 2010-11-09
    • US11921915
    • 2006-06-06
    • Xianyun WuHezhu Yin
    • Xianyun WuHezhu Yin
    • G01V1/28G01V1/30
    • G01V1/50
    • Method for determining reservoir permeability from Stoneley wave attenuation extracted from conventional sonic logs by inversion of the full Biot wave equations for a porous medium. Frequency-dependent Stoneley-wave attenuation is extracted by analyzing array sonic measurements. Then, based on Biot's full theory applied to a borehole model and the standard logs (gamma ray, caliper, density, neutron, resistivity, sonic, etc.), a simulation model with the same parameters as the Stoneley-wave measurements is built. Next, a theoretical Stoneley-wave attenuation is computed for a given permeability. Finally, reservoir permeability is determined by comparing the modeled Stoneley-wave attenuation with the measured Stoneley-wave attenuation by an iterative inversion process.
    • 用于通过反演多孔介质的完整Biot波方程来确定从常规声波测井提取的Stoneley波衰减的储层渗透率的方法。 通过分析阵列声波测量提取频率依赖的斯通利波衰减。 然后,基于Biot的全面理论应用于井眼模型和标准测井(伽马射线,卡尺,密度,中子,电阻率,声波等),建立了与Stoneley波测量相同参数的仿真模型。 接下来,对于给定的磁导率计算理论上的斯通利波衰减。 最后,通过迭代反演过程将建模的斯通利波衰减与测得的斯通利波衰减进行比较,确定油藏渗透率。
    • 2. 发明申请
    • Method for determining reservoir permeability form borehole stoneley-wave attenuation using biot's poroelastic theory
    • 使用生物多孔弹性理论确定储层渗透率的方法,用于确定井眼Stoneley波衰减
    • US20090145600A1
    • 2009-06-11
    • US11921915
    • 2006-06-06
    • Xianyun WuHezhu Yin
    • Xianyun WuHezhu Yin
    • E21B47/00G01V1/28G01V1/30G01V1/40
    • G01V1/50
    • Method for determining reservoir permeability from Stoneley wave attenuation extracted from conventional sonic logs by inversion of the full Biot wave equations for a porous medium. Frequency-dependent Stoneley-wave attenuation is extracted by analyzing array sonic measurements. Then, based on Biot's full theory applied to a borehole model and the standard logs (gamma ray, caliper, density, neutron, resistivity, sonic, etc.), a simulation model with the same parameters as the Stoneley-wave measurements is built. Next, a theoretical Stoneley-wave attenuation is computed for a given permeability. Finally, reservoir permeability is determined by comparing the modeled Stoneley-wave attenuation with the measured Stoneley-wave attenuation by an iterative inversion process.
    • 用于通过反演多孔介质的完整Biot波方程来确定从常规声波测井提取的Stoneley波衰减的储层渗透率的方法。 通过分析阵列声波测量提取频率依赖的斯通利波衰减。 然后,基于Biot的全面理论应用于井眼模型和标准测井(伽马射线,卡尺,密度,中子,电阻率,声波等),建立了与Stoneley波测量相同参数的仿真模型。 接下来,对于给定的磁导率计算理论上的斯通利波衰减。 最后,通过迭代反演过程将建模的斯通利波衰减与测得的斯通利波衰减进行比较,确定油藏渗透率。