The Vegas own an oil-rich ranch, and Calhoun is after the mineral rights. He gets Carlos Vega to run up huge gambling debts, and when Carlos' sister, who is half owner, arrives, Calhoun tries to have her killed.

Apache Rose (1947)

The Texas Rangers take on a shyster who is trying to bilk a family of their money after he learns that an oil company thinks their land may contain the black gold. The Rangers tell the family about the oil before the lawyer and his gang can take it from them.

Guns of the Law (1944)

In 1906 Oklahoma, on Indian lands, a determined cowboy battles a greedy oilman over oil lease rights. Amidst the conflict, a charming schoolteacher captures the hearts of both men, complicating their rivalry as they all navigate the turbulent situation.

Oil, Water, Gold,