The Thrall Oil Field is now abandoned. It was discovered in 1914 a year after a local farmer encountered oil in a water well he was digging. Cumulative Oil Production: 2 million barrels. Remaining in the ground: 6 million barrels of which about 2 to 3 probably can be produced using modern technology. The oil reservoir is a weathered small (1 mile in diameter) volcano (Serpentine rock). The background in the photographs show the Blackland Praires, the richest non-irrigated farmland in Texas. The Blackland Prairies are the result of the weathering of the Late Cretaceous Taylor Shaly Limestone (70 million years old). Producing depth of the Thrall oil field is 800 feet.

	Don tells us about the abandoned Thrall oil field	Notice the reclaimed land
Frisky, friendly horses near Thrall Oil Field	Frisky, friendly horses near Thrall Oil Field
	Sandy and Rocky	Addalie McMinn
unknown
Reclaimed land aroung abandoned Thrall oil field	Friendly horses and a burro near Thrall Oil Field	Friendly horses and a burro near Thrall Oil Field

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