“This is the land of Isis, the jihadi organisation in control of swaths of Syrian and Iraqi territory. The trade in oil has been declared a prime target by the international military coalition fighting the group. And yet it goes on, undisturbed.

Oil is the black gold that funds Isis’ black flag — it fuels its war machine, provides electricity and gives the fanatical jihadis critical leverage against their neighbours.

But more than a year after US President Barack Obama launched an international coalition to fight Isis, the bustling trade at al-Omar and at least eight other fields has come to symbolise the dilemma the campaign faces: how to bring down the “caliphate” without destabilising the life of the estimated 10m civilians in areas under Isis control, and punishing the west’s allies?

The resilience of Isis, and the weakness of the US-led campaign, have given Russia a pretext to launch its own, bold intervention in Syria.

Despite all these efforts, dozens of interviews with Syrian traders and oil engineers as well as western intelligence officials and oil experts reveal a sprawling operation almost akin to a state oil company that has grown in size and expertise despite international attempts to destroy it…”

Source: Isis Inc: how oil fuels the jihadi terrorists – FT.com