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Multi-frequency inversion of modal dispersions for estimating formation anisotropy constants
Multi-frequency inversion of modal dispersions for estimating formation anisotropy constants
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机译:模态频散的多频逆估计地层各向异性常数
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摘要
Systems and methods for the estimating a plurality of anisotropic elastic constants (Cij) using borehole dispersions and refracted compressional headwave velocity at a single logging depth in a vertical, deviated, or horizontal wellbore in a transversly-isotropic with a vertical axis of symmetry ("TIV") formation. The estimated elastic constants can then be used to calculate near-wellbore stress distributions in the wellbore, which aids in an optimal completion design, such as for shale-gas production in the presence of shale heterogeneity.
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