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Oasis montaj

Geophysical software for processing, filtering, and interpreting survey data.

Transform geophysical data into decisions  dots

Oasis montaj is industry-standard software for geophysicists to process, filter, and model geophysical survey data. It enables users to create reliable subsurface interpretations by integrating large geophysical datasets with other geoscience data in a user-friendly application. This software is ideal for geophysicists and geological survey bodies in the mineral resources, energy, environmental, or on/offshore infrastructure industries who require accuracy, power, and versatility.

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Get more from your data

Key Benefits 

Large-scale data handling

Import, process, and manage large volumes of varied geoscientific data types and formats without database size constraints.

Industry-trusted solutions

Widely recognised and accepted for tenders by governmental and private companies, with industry-standard database and grid formats available for download from governmental data services.

Unified workflows

Streamline geophysical workflows with tools for acquiring, processing, and interpreting survey data. Create detailed models that integrate seamlessly with Leapfrog and share results via Central for efficient collaboration and data management.

Coordinate transformations

On-the-fly reprojection allows you to effortlessly combine geospatial datasets that use different coordinate reference systems.

Gridding and visualisation

Create and visualise 2D and 3D geophysical data grids, interpolate data with advanced gridding methods, and merge geophysical grids quickly and accurately.

Advanced filtering

Apply a wide range of filters or use the math expression builder to process and analyse data to improve the precision of your interpretations.

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Product Options

Explore Oasis montaj

Oasis montaj

Use Oasis montaj to filter and process gravity, magnetic, and electromagnetic survey data. Supporting a broad range of geophysical workflows and data formats, Oasis montaj makes it easy to import and georeference data with user-friendly tools for coordinate system transformations, filtering, and visualising (gridding) the data.

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Oasis montaj for energy applications

Oasis montaj Basin Modelling includes all the processing functionality of Oasis montaj plus additional tools for energy exploration. Create robust basin models by integrating geophysical data with seismic, well, and geological constraints to refine and validate your 2D geophysical models. Apply data corrections and 2D Fourier filters to clean, transform, and enhance your data and interpretation.

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A comprehensive bundle 

Oasis montaj Ultimate provides full access to all Oasis montaj tools and extensions, including the Resistivity and Induced Polarisation (DC-IP) Extension and radiometric processing tools. It features advanced gravity and magnetic capabilities, such as 3D layered-earth modelling and depth-to-source estimation, ensuring thorough and precise geophysical analysis.

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Feature comparison

Compare Oasis montaj features

Oasis montaj
Oasis montaj Basin Modelling
Oasis montaj Ultimate
Acquisition Workflows

Data import and organization

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Data levelling and merging

*Requires Acquisition Extension
*Requires Acquisition Extension
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Deposit response analysis

*Requires Acquisition Extension
*Requires Acquisition Extension
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Drape planning

*Requires Acquisition Extension
*Requires Acquisition Extension
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Pre-processing

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Quality control Batch processing

*Requires Acquisition Extension
*Requires Acquisition Extension
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Quality control data in the field

*Requires Acquisition Extension
*Requires Acquisition Extension
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Survey planning and monitoring (incl. UAV)

*Requires Acquisition Extension
*Requires Acquisition Extension
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Systematic noise evaluation and removal

*Requires Acquisition Extension
*Requires Acquisition Extension
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Cloud-powered 3D forward modelling & inversion

Complex geology such as steeply dipping (vertical) targets

*Requires VOXI Modelling Services
*Requires VOXI Modelling Services
*Requires VOXI Modelling Services

Frequency domain EM data

*Requires VOXI Frequency Domain EM
*Requires VOXI Frequency Domain EM
*Requires VOXI Frequency Domain EM

Gravity and magnetic data

*Requires VOXI Essentials
*Requires VOXI Essentials
*Requires VOXI Essentials

Gravity gradient data

*Requires VOXI Gravity Gradient
*Requires VOXI Gravity Gradient
*Requires VOXI Gravity Gradient

Induced polarisation and resistivity (DC-IP) data

*Requires VOXI IP and Resistivity
*Requires VOXI IP and Resistivity
*Requires VOXI IP and Resistivity

Time-domain EM data

*Requires VOXI Time Domain EM
*Requires VOXI Time Domain EM
*Requires VOXI Time Domain EM
Data types

Drillhole and geology

*Requires Geology Extension 
*Requires Geology Extension
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Electromagnetic

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Geochemical

*Requires Geology Extension 
*Requires Geology Extension
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Gravity

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Magnetic

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Radiometric

*Requires Radiometric Extension 
*Requires Radiometric Extension
*Requires Radiometric Extension

Resistivity and Induced Polarisation (DC-IP)

*Requires Resistivity and Induced Polarisation (DC-IP) Extension 
*Requires Resistivity and Induced Polarisation (DC-IP) Extension
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Interpretation Workflows

2D Profile forward modelling and inversion of gravity and magnetic data

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3D Euler deconvolution

*Requires Interpretation Extension
*Requires Interpretation Extension
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3D layered earth modelling

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Automated source depth estimation routines

*Requires Interpretation Extension
*Requires Interpretation Extension
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Depth to basement estimation

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Geospatial data extraction

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Identify and locate porphyry magnetic signatures

*Requires Interpretation Extension
*Requires Interpretation Extension
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Integrated mapping

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Lineament detection

*Requires Interpretation Extension
*Requires Interpretation Extension
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Magnetic source edge detection

*Requires Interpretation Extension
*Requires Interpretation Extension
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Parametric modelling

*Requires Interpretation Extension
*Requires Interpretation Extension
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Seismic data integration (SEG-Y)

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Source parameter imaging

*Requires Interpretation Extension
*Requires Interpretation Extension
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Texture analysis, phase symmetry, and structure detection

*Requires Interpretation Extension
*Requires Interpretation Extension
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Man-made object detection

Offshore hazard detection (Marine)

*Requires UXO Marine
*Requires UXO Marine
*Requires UXO Marine

Onshore hazard detection (Land)

*Requires UXO Land
*Requires UXO Land
*Requires UXO Land
Processing Workflows

1D & 2D FFT filtering

*Requires Processing Extension
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Bouguer anomaly generation and correction

*Requires Processing Extension
*Requires Processing Extension
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Convolution filtering and mathematics

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Coordinate system projections

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Drape corrections

*Requires Processing Extension
*Requires Processing Extension
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Dynamic linking between imagery, maps, profiles, data and graphs

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Gravity and Terrain Correction

*Requires Processing Extension
*Requires Processing Extension
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Gridding, merging grids and interpolation

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IGRF Removal

*Requires Processing Extension
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Interactive depth slicing (match filtering)

*Requires Processing Extension
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Isostatic Residual

*Requires Processing Extension
*Requires Processing Extension
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Script-based automation

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Product Options

Explore Oasis montaj

Oasis montaj

12-month named or shared license

Features:
  • checkedLarge-scale data handling
  • checkedFormat compatability
  • checkedData processing
  • checkedCoordinate trasnformations
  • checkedAdvanced gridding
  • checkedIndustry-trusted solutions

Oasis montaj Basin Modelling

12-month named or shared license

Features:
  • checkedAll oasis montaj features
  • checkedEnergy sector workflows
  • checkedSeismic integration
  • checked2D Layered Earth Modelling
  • checked2D Fourier filtering and modelling

Oasis montaj Ultimate

12-month named or shared license

Features:
  • checkedAll oasis montaj basin modelling features
  • checkedAll extensions (Excluding UXO and VOXI)
  • checked3D Layered earth modelling
  • checkedDepth to source estimation
  • checkedSubscription flexibility

For more information about Oasis montaj products and pricing, talk to us

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Oasis montaj Add-ons

All add-ons require an Oasis montaj subscription to purchase and run

Acquisition

12-month named or shared license

  • Plan and conduct magnetic, gravity, and electromagnetic surveys
  • Quality control (QC) data in the field

Processing

12-month named or shared license

  • Import and correct gravimeter data
  • Apply type-specific corrections
  • Perform gravity reduction and terrain correction
  • Apply 1D and 2D Fourier domain filters

Interpretation

12-month named or shared license

  • Transform your data to locate geologic contacts
  • Estimate source depth with 3D Euler deconvolution
  • Analyse magnetic data to identify kimberlite-type sources

Resistivity and Induced Polarisation (DC-IP)

12-month named or shared license

  • Import, process, and visualise resistivity and IP data
  • Perform quality control checks Georeference electrode positions

Geology 

12-month named or shared license

  • Integrate geological and geochemical data into geophysical models
  • Generate drill hole sections
  • Create plan and level maps

Radiometric Processing

12-month named or shared license

  • Import, process, and visualise gamma-ray spectrometry data
  • Apply corrections for altitude, background radiation, and spectral overlap

Offshore hazard detection

12-month named or shared license

  • Locate and analyse UXO, cables, and pipes from offshore magnetic (total field and gradiometer) survey data
  • Perform inverse modelling to estimate anomaly characteristics
  • Tailor seabed survey planning and reporting to sensors and arrays
  • Assess infrastructure project risk

Onshore hazard detection 

12-month named or shared license

  • Locate and analyse UXO targets, pipelines, and cables using magnetic and electromagnetic survey data
  • Perform inverse modelling to estimate anomaly characteristics
  • Optimize survey planning and reporting for accurate hazard assessment
  • Assess infrastructure project risk

Onshore hazard classification

12-month named or shared license

  • Import and process advanced electromagnetic sensor data for UXO classification
  • Perform advanced target analysis and classification
  • Adhere to the US Department of Defence’s (DAGCAP) standards with HDF v1 format support and quality control tests.

VOXI Essentials

12-month named or shared license

  • Combine geological, geochemical, structural, and geophysical data
  • Leverage cloud-powered speed and efficiency
  • Generate 3D voxel distributions using geophysical forward and inverse modelling

VOXI Gravity Gradient

12-month named or shared license

  • Create 3D rock density models using forward and inverse modelling of gravity gradiometry data
  • Model density using the entire multi-channel gravity gradiometer dataset

VOXI IP and Resistivity

12-month named or shared license

  • Create 3D models of conductivity and chargeability using forward and inverse modelling of IP and resistivity data
  • Handle arbitrary electrode layouts accurately for diverse survey configurations

VOXI Frequency Domain EM

12-month named or shared license

  • Generate layered earth voxel conductivity models from frequency-domain electromagnetic data
  • Ideal for airborne frequency domain systems like Dighem or Resolve

VOXI Time Domain EM

12-month named or shared license

  • Generate detailed subsurface conductivity models from time-domain electromagnetic data.
  • Supports various transmitter configurations, including SkyTEM, Geotech VTEM, and NRG Xcite

VOXI Modelling Services

12-month named or shared license

  • Custom modelling solutions
  • Support for complex geological investigations
  • Expert guidance and tailored approaches for interpretation

For more information about Oasis montaj products and pricing, talk to us

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Resources

Resources

Improve your Oasis montaj skills with training, articles, or support from our team of geophysical experts.

Oasis montaj training

Get started fast or upskill with our onboarding and advanced free eLearning courses available for Oasis montaj.

Oasis montaj webinars

Explore our on-demand webinar library for the latest release updates, in-depth tutorials, and comprehensive guides to enhance your workflows.

Seequent Support

Get expert support from our global team of geoscience professionals when you submit a ticket on the MySeequent customer portal.

Customer Stories

Oasis montaj at work

Explore case studies and articles showcasing how Oasis montaj is used in research and industry.

Mining

Introducing next-level airborne survey technology using the latest in geophysics innovation

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Case Studies

How one university uses Oasis montaj to find geothermal energy for Africa

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A photo of a Kenyan landscape with reddish earth in the foreground, a range of hills on the horizon, with blue sky and white clouds above.

Case Studies

Kenya Nationwide Airborne Geophysical Survey brings crucial insights into mineral, groundwater and geothermal resources

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Environmental

The collapsing glacier driving sea level rise

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Over 30 years of industry-leading geophysical processing, filtering, and interpretation