This leaves “a big gap” between the two, Zurcher says. We’re trying to do the same thing, where is the distribution of oil and gas?” Zurcher says.Ĭurrently, reservoir data used for geosteering typically comes from seismic, which may not “see” features smaller than 150 feet, and while-drilling tools that take measurements near the wellbore. “They were looking at where the ore distribution is in the subsurface. The service company has introduced EarthStar 3D Inversion, a 3D reservoir mapping process that, when used in geosteering applications, can maximize contact with oil and gas zones while mapping the surrounding formation to identify bypassed oil, avoid drilling hazards and plan for future development.ĭerick Zurcher, Halliburton’s strategic business manager for measurement-while-drilling (MWD)/logging-while-drilling (LWD), says the service company worked with mining software specialists Computational Geosciences, based in Vancouver, to “break down this large mathematical problem” of how to process the large number of measurements into a fully resolved 3D volume that could be useful in geosteering applications. Halliburton leveraged technology from the mining industry to reveal subsurface structures in a way that improves geosteering, geomapping and geostopping in complex reservoirs.
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