Mr Dudley had hoped that this big deal would lift the cloud of last year's tragic rig blast and oil spill in the Gulf of Mexico.
达德利希望，这次的大交易能让因去年墨西哥湾钻井平台爆炸和石油泄漏事件产生的疑虑消除。
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That's the problem lawmakers are wrestling with amid hearings and federal investigations of the Upper Big Branch mine blast in West Virginia and the BP oil rig collapse in the Gulf of Mexico.
Protests have interrupted the annual general meeting in London of the oil giant BP, the first since last year's oil rig blast and huge oil spill in the Gulf of Mexico.