drilling
Adma-Opco sets deadline for Umm Lulu bids
Abu-Dhabi National Oil Company (Adnoc)-led consortium Adma-Opco has set a deadline of the beginning of January
Reid to step down as Xstrata finance head
Departure likely to heighten some investors’ fears of an exodus of senior managers after the miner’s takeover by trading house Glencore
Posco seeks stake in Canada iron ore mine
South Korean steelmaker has secured exclusive negotiating rights for a 15% stake in ArcelorMittal Mines Canada worth more than $1bn