As a service to our sponsors, and to the community in general, we organize workshops on topics in potential fields that have been advanced by CGEM and are of broad interest in industry. The workshops feature CGEM speakers as well as guest speakers from around the world. These workshops provide a forum for us to present latest CGEM research results, introduce new methodologies to the potential-field community, and for potential-field geophysicists to interact with each other. To encourage students' interest in potential-field methods, we always welcome students to attend the workshops free of charge.
October 21, 2010: SEG Workshop on: Gravity and Magnetic Techonologies Applied to Drilling, Development, and Production
This presentation demonstrates a modern approach to high-quality feasibility studies using two field site examples. The frist is a representation of the Jotun Field in the Norwegian North Sea based on early production history, and the second is the Delhi Field in Louisiana for CO2-EOR Process. We demonstrate reservoir model construction from available prior information, application of binary inversion technology tailored specifically to these time-lapse gravity problems, and the level of added information recoverable on fluid movement by joint interpretation of surface and borehold data. Lastly, this presentation illustrates a method of resolution analysis to demonstrate the decreased recoverablility of fluid movement at a site in the presence of varying noise limits in the data. This multi-stage workflow demonstrates a reliable approach to understanding the applications and limitations of 4D gravity at a particular site, for both pre-acquisition feasibility studies and as a guide for post-data acquisition interpretation.
September 27, 2007: SEG
Workshop on 4D Gravity Monitoring of Reservoirs and Aquifers
This workshop focussed on recent advances in gravimeter technology and the emerging need for characterizing the dynamic changes of subsurface systems have led to increased application of microgravity method in time-lapsed monitoring, also known as 4D gravity. Various groups have applied 4D gravity to ground water aquifers of small scales to large oil and gas reservoirs with noticeable success. However, specifics of the technology are still being developed and data sets are rarities. Huge potential in both research and application lies ahead. This workshop aims to bring together the researchers, practitioners, and users of 4D gravity from academia and ground water and petroleum industries to present and discuss the emerging technology. The goal is to provide a forum for presentation of the state-of-art of instrumentation, field survey methods, and data interpretation. With this backdrop, the workshop hopes to facilitate the interaction between different groups and foster rigorous discussion on the future direction of the technology.
July 26, 2002: Workshop on Automatic Depth Estimation Techniques in Potential Fields
This workshop focussed on the automatic depth estimation techniques in potential-field methods. This is a class of techniques that can rapidly process large data sets and provide first-order information about the source depth. The presentations at the workshop include overviews on depth estimation, traditionally available methods, as well as the newly developed Extended Euler deconvolution. The Proceedings CD is currently available for distribution.
October 27, 2000: Application of Wavelets in Potential Fields: A Global Virtual Workshop.
This was the first workshop presented by GMRC. The theme was on the application of wavelets in potential fields. We organized the workshop to provide participants with basic background on wavelet transforms and then focussed on three major areas of application:
- Data filtering based using wavelets,
- Fast numerical algorithms using wavelet compression, and
- Interpretation techniques using natural wavelets.
This was a virtual workshop that featured seven speakers from four countries including Australia, France, and United States. The entire workshop was broadcast via Internet to eleven sites in five countries that hosted over 100 participants. The Proceedings CD is currently available for distribution.