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Geophysical Data Interpretation

Potential Field geophysical data, on its own, tells only part of a complex story. Integrated geophysical data interpretation is the key to maximising your understanding, whether it is a regional assessment, seismic acquisition planning, or well and field development.

Our interpreters have extensive experience in integrating gravity, magnetics, and other non-seismic geophysical data with seismic, well, geochemical, structural, and other data.

Geophysical Data Interpretation: Guiding You to the Data You Need

For frontier areas, public domain data is an important first step in evaluating areas of interest, especially where little or no other data exists. Any existing 2D potential field data will offer along-line constraint and uplift. With our extensive knowledge of the global potential field database and experience with regional geophysical datasets, Metatek can help you source and evaluate the data you need to maximise an exploration program.

When you are serious about getting the information you need, gravity and magnetic data can be used to fill the gaps and inform your decision-making process. Even 3D seismic data benefits enormously from high-resolution gravity and magnetic data that can assist in unravelling complex geological issues, particularly in areas with salt and volcanics.

Qualitative Geophysical Data Interpretation

At Metatek, we believe in taking a holistic view of the dataset. Once we’ve gathered all the necessary data, the qualitative data interpretation stage begins. Our qualitative approach is always tailored to our client’s needs, whether it be a rapid regional overview or a more detailed investigation combining several data sources. This involves:

  • A review of data provenance
  • Production of a suite of data ‘transforms’
  • An assessment of the correlation between the gravity, magnetics, and other datasets
  • The creation of an updated structural map

Quantitative Geophysical Data Interpretation

The goal of a quantitative geophysical data interpretation is to delve deeper into the data, producing a set of integrated geological horizons to advance the exploration programme. To do this, we:

  • Establish the rock properties, in particular, the relationship between velocity and density
  • Use depth estimation techniques to produce depth to sources over key anomalies
  • Create 2D models to derive balanced cross-sections, satisfying the seismic and potential field interpretations
  • Incorporate all the above into a 3D model to focus on a constrained depth surface

Feasibility Studies: What’s Right for You?

Every region presents its own geological and geophysical challenges. Taking the time to choose the right tools before acquiring a potential field survey will help you identify your targets in the most efficient and cost-effective way possible. We’ll complete a feasibility study to assess which techniques, which platform, and which parameters will be most applicable for what you’re trying to achieve.


Datasheets: Looking Deeper

Metatek has built a library of datasheets that focus on key geographical and geological regions.

Our datasheets take two forms. Either a detailed, multi-page report combining all available data to produce a summary exploration overview, or a one-page flyer focusing on individual areas.


Qualitative Mapping

  • Structural Fabric
  • Intrusive / Zonation


Quantitative Modelling

  • 2D profiles
  • 3Dstructural models
  • 3D density volume
  • 3D susceptibility volume
  • Unconstrained Inversion Modelling
  • Constrained Inversion Modelling
  • Basement mapping

Updated Potential Terrain Areas

Compilation of Synoptic data package

  • Reports on Acquisition
  • Report on Interpretation
  • GIS Compilation

Qualitive Structure Mapping

qualitive structure mapping
GzHD residual suite of anomaly peaks and troughs overlain with edges. Troughs are represented by blue zones, which are indicative of basinal areas of thicker sediments, whereas peaks are represented by red zones, which are indicative of shallow basement and intrusive material.
qualitive structure mapping 2
Stacked edges displaying variance of horizontal gradient maxima with differing spatial wavelength isolation, indicating fault dip angle variations with depth.
qualitive structure mapping 1
Classification map combining areas of overlapping GzHD residual peaks and troughs overlain with edges. Classification offers a purely qualitative view, where more overlapping zones of anomaly peaks (red to white) are indicative of shallower basement captured within shorter wavelengths.
qualitive structure mapping 3
Classification of stacked edges. Values represented by purple relate to no edge overlap, whereas values represented by warmer colours relate to areas of edge overlap, indicating steeply dipping faults.

Get In Touch

Call us on +44 1908 667014, or use the form below and we’ll get in touch as soon as possible.