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Acoustics Interpretation Suite
The Acoustics Interpretation Suite comprises of basic evaluation for compressional and shear slowness logs, advanced analysis for dipole anisotropy, quadrupole shear, leaky P, Stoneley fractures & permeability, as well as cased hole filtering and radial profiling for shear & compressional.
Compressional and Shear Slowness
Graphical workflow steps, QC plots and output results for compressional and shear slowness processing and interpretation for monopole waves from both wireline and LWD. Within the single graphical interface, the user can evaluate and interpret slownesses using the Slowness-Time-Coherence and Slowness Dispersion Analysis.
Leaky P Processing
Leaky P processing workflow for ultra-slow formations with LWD and wireline. Compressional slowness is output from a model based inversion including the tool presence. Dispersion curves (modeled and actual), Slowness Frequency Analysis, Semblance and waveform VDLs are output as quality control.
Dipole Shear Anisotropy
The shear dipole anisotropy analysis is for Sonic Scanner, ThruBit Dipole and DSI technology. Energy, time and slowness anisotropy outputs along with the fast shear azimuth are determined with simultaneous interactive quality control with the Slowness Dispersion Analysis.
Quadrupole Shear
The quadrupole shear processing workflow for SonicScope technology. Shear slowness and effective mud slowness are output from a 2 parameter, model based inversion including the tool presence. Dispersion curves (modeled and actual), Slowness Frequency Analysis and Semblance are output as quality control.
Stoneley Fracture Analysis
Fracture identification from Stoneley waves is achieved through determining reflection and transmission coefficients. Rugose borehole conditions and lithological boundaries can also be modeled to help the interpretation of the Stoneley waves, along with integration of borehole images. Various parameters such as mud attenuation calibration and frequency windows are accessible.
Stoneley Mobility Analysis
Full Biot inversion or single frequency analysis can be performed on the Stoneley wave to evaluate formation mobility. Quality control for signal to noise ratio and waveform filtering are available to the user. Comparison to CMR or MDT mobility measurements are also easily done to determine flow characteristics of the reservoir.
Shear and Compressional Radial Profiling
Radial profiling for the shear modulus from the dipole flexural and Stoneley are available to evaluate near wellbore stress and alteration, as well as to use in downstream workflows in determining stress magnitudes or for TI elastic properties.