Saudi Arabia is aggressively protecting market share in the face of rising exports from fellow Opec members Iran and Iraq and the threat of a resurgence in US oil shale production if oil prices rally further. The latest monthly data from the Riyadh-based Joint Organizations Data Initiative (Jodi) show that Aramco’s crude exports are on track for record highs. Averaging 7.52mn b/d in the first half of 2016, they are slightly up on the same period in 2013. The 7.42mn b/d average then...