OPEC’s strategy review is due for completion later this year. The previous edition produced in 2010 estimated crude would trade in a range of $70 to $86 a barrel through to 2020, then climb to $106 by 2030. Saudi Arabia and its Gulf allies are at odds with Iran and other OPEC members over whether the organization should include oil-price forecasts in its long-term strategy report, according to three of the group’s delegates. The Gulf kingdom, which has led the Organization of Petroleum Exporting Countries in a battle against rival producers, is seeking to exclude price assumptions from the report, according to the delegates, who asked not to be identified because the document isn’t public. The disagreement reflects internal divisions over whether OPEC policy should focus on prices or the stability of the oil market, one of the delegates said. Oil prices plunged to a six-year low last month […]