OpendTect is now completely free

Press release: 2 September 2009

dGB Earth Sciences announces that OpendTect is now a completely free seismic interpretation system. Complete because with the release of version 4.0 today, OpendTect supports all functionalities needed in seismic interpretation projects. Free because the software is open source, and can be used at no cost as dGB has changed its licensing policy.

Henceforth OpendTect is released under a triple licensing strategy: 1) under the GNU / GPL license, 2) under a commercial license and, 3) under an academic license. Under the GNU / GPL license, OpendTect is completely free-of-charge, including for commercial use. The commercial license enables the user to extend the system with (closed source) commercial plugins that can either be purchased or leased. Under the academic license agreement universities can get free licenses for OpendTect and commercial plugins for R&D and educational purposes.

This new release of OpendTect includes a large number of new features and improvements, which make OpendTect the first complete, high level, open source seismic interpretation system worldwide. The previous versions of OpendTect already included the industry’s most powerful attribute engine and spectral decomposition, next to more standard features such as horizon tracking and 2D and 3D visualization. In version 4.0 amongst others a synthetic-to-seismic well tie module, a SEGY-wizard, pre-stack AVO attribute computation and Time-to-Depth conversion have been added to the list of supported features. Improvements include the updated step-wise horizon tracker, the enhanced cross-plot functionality and many others.

Several of the commercial plugins have been improved as well. SSIS, dGB’s flagship product for sequence stratigraphic interpretation, now features a new workflow for the analysis of grids of 2D lines. The multi-2D work flow can be applied in faulted areas on 2D and 3D seismic data. ArkCls and partner Visual Technology Services have released a new plugin PDF3D. With this new plugin a 3D scene in OpendTect can be captured and saved in pdf-format. The saved file can be opened in the standard and free Adobe Acrobat Reader that nowadays supports 3D visualization. Here the user can zoom, rotate, change transparencies and toggle elements on and off. PDF3D is bound to change the way in which E&P work is reported to management, colleagues, and partners. Also new by Earthworks and ArkCls is a Connection plugin that allows bodies to be grown from one or more seed points. This plugin can be used e.g. to analyze the results of a stochastic impedance inversion run.

Paul de Groot, President & CEO of dGB Earth Sciences, said: “This new release is the result of many years of hard work by our dedicated team in close cooperation with ArkCls, Earthworks and Geokinetics with the support of many E&P companies. We are glad that we can now offer this complete and high level seismic interpretation system for free to the geophysical community. Why would anyone still pay for seismic interpretation software, when the same features can be had for free? Better spend your budget on the advanced interpretation techniques of the OpendTect plugins, which really add value to your data.”

OpendTect VMB & PSDM system launched

Press release: 23 February 2009

dGB Earth Sciences and Geokinetics have launched a new system for Velocity Model Building (VMB) and Pre-Stack Depth Migration processing. The new software runs in OpendTect and was developed with financial support from Gaz de France and OMV. The first release comprises three (closed source) plugins. VMB is a dGB proprietary plugin for picking RMO velocities and pre-stack events. PSDM-Tomography and PSDM-Kirchhoff are proprietary plugins by Geokinetics. These plugins are released with relevant tools from Ethos, Geokinetics’ internal seismic processing system, to form a complete PSDM processing system.

Paul de Groot, President & CEO of dGB Earth Sciences said: “Costs and quality of PSDM processing are largely dependent on the time-consuming, manual process of building and updating velocity models. Reducing cycle times means you can run more iterations in less time and thus produce higher quality PSDM outputs at lower cost. This is what we aimed for when we started to develop this system three years ago. The first release of VMB includes vertical update - and horizon-consistent update modules. Velocity gridding, horizon picking, 3D body generation and QC are performed in OpendTect Base; the Open Source part of the system. The design of the new system is such that it can support multiple PSDM processing systems. All structures needed to interface a PSDM system to OpendTect – VMB are released in the Open Source domain. We invite other service companies and E&P companies to link their PSDM systems to OpendTect – VMB. Together we can thus continue to develop the next generation VMB – PSDM solutions.”

Lee Bell, Chief Geophysicist, Geokinetics Inc, added “Velocity model building is closely related to interpretation. Modern interpretation tools for identifying and constructing horizons, bodies and faults greatly facilitate the process of transforming seismic data into a geologically feasible depth image.”

100th dGB Publication

It is a pleasure to announce that we recently published our 100th article!

A selection of our recent articles:

Odd One Out
de Groot, P., Huck, A., Brouwer, F., and Wever, A., 2008, Oilfield Technology, volume 1 Issue 2, November 2008

Gas chimney detection based on improving the performance of combined multilayer perceptron and support vector classifier
Hashemi, H., Tax, D.M.J., Duin, R.P.W., Javaherian, A. and de Groot, P. 2008. Nonlinear Processes in Geophysics, Volume 15, 863-871
Download PDF

Extending reservoir property prediction with pseudo-wells
Ayeni, G.O., Huck, A., and de Groot, P., 2008, First Break, volume 26, November 2008
Download PDF

Making the leap to open source
Payne, L., 2008, E&P Magazine
view online

Logical Expressions a basic tool in Reservoir Characterization
Qayyum, F., Akhter, G. and Ahmad, Z., 2008, Oil and Gas Journal, Volume-106, issue-41 Nov 03, 2008, p. 33-42.
Download PDF

All published articles...

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OpendTect is now completely free