With over 30 years in the oil business as a geologist, David Allard takes you on a wild worldwide adventure. From the oil patch of Midland Texas, to Houston, around the world and b...показать большеWith over 30 years in the oil business as a geologist, David Allard takes you on a wild worldwide adventure. From the oil patch of Midland Texas, to Houston, around the world and back to the USA; enjoy the trip!показать меньше