Geophysical Service Inc. was founded by John Clarence Karcher and Eugene McDermott in 1930 for the purpose of using refraction and reflection seismology to explore for petroleum deposits. It became one of the most successful seismic exploration contractors in the industry for many years. On December 6, 1941, the company was purchased by McDermott, Cecil Howard Green, J. Erik Jonsson, and H.B. Peacock. During World War II, the company produced submarine detection devices. In 1951, the company was renamed Texas Instruments with GSI as a division. GSI was later sold by TI, repurchased, and... finally sold again to Halliburton in 1988. Halliburton also acquired GeoSource, a competing geophysical contractor , and attempted to merge the two companies. Unfortunately the rivalry between the two entities endured and the merged entity known as Halliburton Geophysical Services proved to be far from profitable. After several years of losses in 1994 Halliburton sold HGS to Western Atlas .
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