Quantitative Interpretation

Quantitative Interpretation

Quantitative Interpretation (QI) bridges the gap between data and actionable insights. Our geoscientists apply advanced mathematical and statistical techniques to analyze numerical data, enabling precise decision-making. Here’s what we offer:

Reservoir Characterization:

  • Rock Properties: We quantify porosity, permeability, and lithology.
  • Fluid Content: Determining hydrocarbon saturation.
  • Pore Pressure Assessment: Understanding subsurface pressure conditions.
  • Data-Driven Insights:
  • Statistical Analysis: Extracting patterns and trends.
  • Predictive Modeling: Forecasting reservoir behaviour.
  • Risk Assessment: Evaluating uncertainties.

Time-Lapse Seismic

  • Our time-lapse (4D) seismic processing services enable you to track reservoir dynamics over time using high-quality, repeatable seismic data. By comparing seismic responses from different vintages, we reveal subtle changes within your reservoir. Here’s how we achieve accurate results:

    Geologic Expertise: Drawing from our rich experience, we tailor our workflows to diverse geologic settings, including marine streamer, ocean bottom, land, and permanent monitoring seismic data.

  • Precision Algorithms: Our specialized algorithms mitigate acquisition-related variability, ensuring that observed differences genuinely reflect reservoir changes.
  • Efficient Workflows: We design streamlined processes that minimize costs and maximize data availability.
  • Seamless Integration: Our workflows seamlessly apply to subsequent monitor surveys, enhancing continuity and reliability.

Seismic Processing

  • Our company offers professional seismic data processing services. This involves transforming raw seismic data (recorded during acquisition) into interpretable data volumes (post-stack data). By applying various filters and corrections, such as denoising, deconvolution, interpolation, and velocity estimation, we enhance the signal-to-noise ratio and remove artifacts. We guarantee these key seismic processing deliverables to our esteemed clients:

    Field Data Validation: Ensuring accurate shot and receiver positions, travel time, and reflection points.
  • Noise Removal: Applying filters to enhance signal quality and remove unwanted noise.
  • Deconvolution: Improving seismic wavelet shape.
  • Static Corrections: Addressing near-surface effects due to topography and weathering.
  • Velocity Analysis: Estimating subsurface velocity variations.
  • Migration: Transforming data from time domain to depth domain.
  • Full-Azimuth Processing: Utilizing all available azimuths for better imaging.
  • Anisotropic Imaging: Accounting for subsurface anisotropy.
  • Multiparameter FWI: High-resolution velocity model building.
  • Stacked Sections: Creating interpretable seismic images.
  • Amplitude Variation with Offset (AVO): Quantifying fluid properties.
  • Attribute Analysis: Identifying geological features.

Land-data Processing

Our comprehensive toolkit for modern, high-density land surveys ensures accurate and efficient data processing. Whether you’re dealing with onshore seismic data or other land-based geoscience information, our services cover the entire processing lifecycle:

  • Deblend: Our smart inversion algorithm upgrades acquisition efficiency and data quality.
  • Statics Correction: Addressing topography and near-surface effects.
  • Noise and Multiple Attenuation: Enhancing signal quality.
  • Full-Azimuth Processing: Comprehensive seismic analysis.
  • Advanced Reconstruction and Regularization Algorithms: Including support for compressive sensing.
  • MP-FWI Imaging: State-of-the-art velocity model building and imaging.

Petrophysics

Our petrophysics services provide a comprehensive understanding of rock and fluid properties within oil and gas reservoirs. Our team employs a range of techniques, including well logging, core analysis, and seismic data evaluation, to extract critical insights. Here’s an overview of our offerings:

  • Well Logging: We meticulously assess rock properties using downhole measurements, ensuring accurate data collection.
  • Core Analysis: Our experts study core samples to determine porosity, permeability, and lithology, essential for reservoir characterization.
  • Saturation Analysis: We quantify fluid content within reservoirs, aiding in reservoir management and production optimization.
  • Pore Pressure Evaluation: Understanding subsurface pressure conditions is crucial for safe and efficient operations.
  • Reservoir Modeling: We work closely with geoscientists to model reservoir properties accurately.
  • Hydrocarbon Migration Studies: Investigating fluid movement patterns helps predict reservoir behaviour over time.

Full Waveform Inversion (FWI) 

This a sophisticated technique used in geophysics to estimate detailed subsurface properties from seismic data. Some of the FWI services that our team provides include:

  • Initial Model Creation: We start with an initial velocity model estimate.
  • Wavefield Simulation: Our experts simulate synthetic shot gathers using full wavefield modeling, accounting for various propagation effects.
  • Data Calibration: We compare modeled data to actual measurements, refining the model iteratively.
  • High-Resolution Velocity Models: FWI enhances seismic imaging, providing detailed subsurface information.
  • Improved Reservoir Characterization: Precise velocity models aid in exploration and reservoir management.
  • Customized Workflows: We tailor workflows to specific geologic settings, optimizing results.