Spain's first oil at Valdeajos Historical milestone · Sargentes de la Lora, Páramos, Burgos Image of Sargentes de la Lora, not of the place itself. On 6 June 1964 some 6,000 litres of oil sprang from the ground at Valdeajos de la Lora; it was the first commercial crude oil find in Spain and it transformed life on these moorlands for half a century. 6 de junio de 1964 Photo: Zarateman (CC0) What to see and do in Sargentes de la Lora