Mumbai, Aug. 5 -- Energy giant BP has stated that it has made its largest oil and gas discovery in 25 years. It drilled exploration well 1-BP-13-SPS at the Bumerangue block, located in the Santos Basin, 404 kilometres (218 nautical miles) from Rio de Janeiro, in a water depth of 2,372 metres. The well was drilled to a total depth of 5,855 metres. The well intersected the reservoir about 500 metres below the crest of the structure and penetrated an estimated 500 metre gross hydrocarbon column in high-quality pre-salt carbonate reservoir with an areal extent of greater than 300 square kilometres. The firm will explore building a production hub there. The compay plans to grow its global upstream production to 2.3-2.5 million barrels of oil equ...