• LaMesa Geophysical has purchased an acquisition system from Vib-Tech. The source type is "accelerated weight drop" and the equipment is the Vib-Tech IT system.
• Mechdyne Corp. will acquire VRCO Inc., a developer of interactive 3-D visualization software.
• Tigress GeoSciences will purchase GeoBrowse, a map-based data integration software system, from Integrated Solutions Australasia Pty (ISA).
• Ikon Science Ltd. has acquired Earthmodels Ltd., developer of Chronoseis, which uses 3-D and 4-D seismic data to help evaluate reservoirs. For more information, visit www.ikonscience.com.