Giants such as shell and exxon mobil are drifting away , lured by more bountiful reserves in africa and the americas .
受非洲和美国更丰富的石油储量的诱惑,像shell和exxonmobil这样的巨头渐渐离开。
Companies like exxon and mobil became obsessed with replacing their existing stocks .
像埃克森和美孚这样的公司已经沉迷于更换其现有库存。
Exxon mobil last year signed up to explore several blocks , deeming the deal sufficiently sweet to risk expulsion from its west qurna 1 oilfield in southern iraq .
Exxon ( xom ) reported this morning that earnings jumped 41 % to $ 10.3 billion compared to the same time last year , thanks to the high price of oil , but it 's production levels remained fairly flat .
Two of the biggest companies in the world , exxon mobil ( xom , fortune 500 ) and royal dutch shell ( rdsa ) , are spending billions to probe its seabed .
In april , exxon mobil ( xom ) and russian oil giant rosneft announced a partnership to develop arctic reserves in the kara sea estimated at up to 85 billion barrels .