首页> 外国专利> ACOUSTIC LOGGING SYSTEMS AND METHODS EMPLOYING MULTI-MODE INVERSION FOR ANISOTROPY AND SHEAR SLOWNESS.

ACOUSTIC LOGGING SYSTEMS AND METHODS EMPLOYING MULTI-MODE INVERSION FOR ANISOTROPY AND SHEAR SLOWNESS.

机译:声学记录系统和方法,采用各向异性和剪切慢度的多模式反演。

摘要

Acoustic logging systems and methods are provided with multi-mode inversion for at least vertical shear slowness and shear anisotropy. At least some method embodiments acquire waveforms for multiple acoustic wave modes as a function of tool position in a borehole, derive position-dependent mode dispersion curves from the waveforms, match the derived dispersion curves with parameterized dispersion curves to determine a vertical shear slowness and a shear anisotropy as a function of position, and displaying a borehole log that represents at least one of the vertical shear slowness and the shear anisotropy as a function of position. The objective function employed for the inversion is evaluated across multiple wave propagation modes and mud slownesses and may employ an adaptive, frequency-dependent weighting based on distance between the derived dispersion curves and the parameterized dispersion curves.
机译:声学测井系统和方法至少在垂直剪切慢度和剪切各向异性方面具有多模式反演。至少一些方法实施例获取作为钻孔中工具位置的函数的多个声波模式的波形,从波形中导出与位置有关的模式色散曲线,将导出的色散曲线与参数化的色散曲线相匹配,以确定垂直剪切慢度和剪切各向异性作为位置的函数,并且显示代表垂直剪切慢度和剪切各向异性作为位置的函数中的至少一个的井眼测井曲线。在多个波传播模式和泥浆慢度之间评估用于反演的目标函数,并且可以基于导出的色散曲线和参数化的色散曲线之间的距离,采用自适应的,与频率相关的加权。

著录项

  • 公开/公告号MX336188B

    专利类型

  • 公开/公告日2016-01-06

    原文格式PDF

  • 申请/专利权人 HALLIBURTON ENERGY SERVICES INC.;

    申请/专利号MX20140011338

  • 发明设计人 MARK V. COLLINS;ARTHUR CHENG;

    申请日2012-04-02

  • 分类号G01V1/50;G01V1/40;

  • 国家 MX

  • 入库时间 2022-08-21 14:24:03

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