QL-Refraction Studio by QuakeLogic is professional seismic refraction software designed for P-wave and SH-wave survey analysis. It supports SEG-2 and SEG-Y data processing, automatic first-arrival picking, layered velocity modeling, and seismic travel-time tomography. In addition, the software provides Vs30 calculations, geotechnical engineering parameters, and built-in quality control tools. Users can generate branded PDF reports, export results in multiple formats, and manage complete project histories. QL-Refraction Studio runs on Windows and offers full offline operation without trial restrictions or online activation.
QL-Refraction Studio by QuakeLogic is professional seismic refraction software for P-wave and SH-wave survey analysis. It helps engineers process seismic records, pick first arrivals, build velocity models, and create technical reports.
The software combines signal processing, seismic tomography, and engineering calculations in one platform. In addition, its built-in quality checks help users review data and identify possible errors.
QL-Refraction Studio supports SEG-2 and SEG-Y seismic data formats. First, it checks field records for missing channels, timing issues, and other data problems. It then shows warnings and suggests possible corrections.
Moreover, the software keeps all original field records unchanged. Users can apply filters, gain control, trace balance, and time adjustments.
As a result, engineers can review each processing step without losing their original data.
The seismic refraction software includes several automatic first-arrival picking methods. These include AIC, STA/LTA, modified energy ratio, and SH polarity-divergence.
Each automatic pick receives a confidence rating with supporting reasons. Therefore, users can quickly identify picks that need further review.
In addition, engineers can adjust picks manually or copy reviewed picks to nearby traces. Manual picks remain protected during later automatic picking.
QL-Refraction Studio supports several methods for seismic layer analysis. These include intercept-time, plus–minus, Generalized Reciprocal Method (GRM), and delay-time analysis.
Users can also review travel-time curves and adjust layer crossover points. Furthermore, the software supports forward-model checks.
As a result, engineers can compare measured travel times with model results and review their layer interpretations.
The software includes advanced tools for seismic travel-time tomography. It uses shortest-path ray tracing and regularized inversion to create subsurface velocity models.
Users can adjust model depth, grid size, smoothing, and velocity limits. In addition, robust inversion options help reduce the effect of unusual picks.
The results include velocity sections, ray coverage, and convergence plots. Therefore, engineers can identify areas where the model has limited data support.
QL-Refraction Studio calculates Vs30 and average shear-wave velocity over selected depth ranges. It also provides P-wave and S-wave velocity profiles.
Furthermore, the software supports Poisson’s ratio and elastic modulus calculations. These include shear modulus, Young’s modulus, and bulk modulus.
Users can enter measured density values or select supported density estimates. The software also labels estimated or extrapolated results.
The software checks signal quality, first-arrival picks, shot timing, geometry, and velocity models. It also identifies weak signals, dead channels, and possible trace errors.
Each quality warning explains what users should review. In addition, engineers can open the related trace directly from the warning.
Therefore, users can address possible problems before preparing their final reports.
QL-Refraction Studio generates technical PDF reports with survey data, velocity models, and analysis results. Users can also include company branding and choose report sections.
Moreover, the software supports A4 and Letter page sizes. Reports can use SI or US customary units.
In addition, users can export tables, figures, and audit records. These options make it easier to share results and maintain project records.
The software stores raw data, processing settings, picks, and results in a single project file. Every change is also recorded in the project history.
Users can save snapshots and compare different analysis scenarios. Furthermore, undo and redo functions help reverse unwanted changes.
As a result, engineers can track how each analysis was developed.
QL-Refraction Studio offers Guided and Expert interface modes. Guided mode explains each step, while Expert mode provides a compact workspace.
The software also includes keyboard shortcuts and a command search tool. In addition, a sample project helps new users explore the workflow.
QL-Refraction Studio runs on 64-bit Windows 10 and Windows 11 systems. It requires about 250 MB of disk space.
The full version includes all available features without a trial period or activation key. Moreover, normal operation does not require an internet connection.
Therefore, engineers can process seismic data and prepare reports while working offline.
QL-Refraction Studio Seismic Refraction Software combines data processing, seismic modeling, tomography, and reporting in one application.
Its quality checks and project history help users review their work. In addition, the complete offline workflow supports field and office-based analysis.
Overall, it offers a practical solution for geophysical surveys, geotechnical studies, and subsurface velocity analysis.
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