BP, the UK energy group, has discovered a “giant” oil field in the Gulf of Mexico that shows a new frontier opening up for US oil production.
The Tiber field, in more than 1,200m of water about 250 miles south-east of Houston, is one of the biggest discoveries in recent years. It is thought to hold at least 3bn barrels of oil – of which about 500m would be recoverable with today's technology – and could be significantly larger.
The field was found by the deepest oil well ever drilled, reaching more than 9.4km – almost six miles – below the sea bed.
您已閱讀31%（552字），剩余69%（1223字）包含更多重要信息，訂閱以繼續探索完整內容，并享受更多專屬服務。