The exploration history of the Hardy oil field is unusual in that its discovery followed from drilling on a geochemical anomaly, in the immediate vicinity of which there was no evidence of closed structure either from a reflection seismograph survey which preceded, or from a core drill investigation which followed the geochemical survey.The geochemical survey, which covered a portion of Jones County, Texas, was initiated in August, 1942. The discovery well in the Hardy field was completed in November, 1943, and opened a new Canyon sand pay zone. Development of the field has shown that the sand pinches out across a nose, forming a typical stratigraphic reservoir. Thus, as a result of that discovery and subsequent development, the predictions from all three exploration methods--geochemical, reflection seismograph, and core drill, have been confirmed.

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