Casinos aren't the only places in Nevada where risk-takers are hoping to beat the odds and strike it rich. This land of gamblers and silver and gold producers is increasingly being targeted by oil explorers. With $90-plus oil prices, some wildcatters are even more convinced Nevada is worth the gamble. Fewer than 1,000 wells have been drilled in the state, but Nevada's oil enthusiasts believe it holds billions of barrels of untapped oil resources that are waiting for the right combination of technology and geological understanding to unlock its riches. They are convinced that history is not indicative of future results. For the full version of this story and many others, subscribe to Oil and Gas Investor. Contact us at 713-993-9320.