When the late Houston based investment banker Matt Simmons wrote his 2005 book “Twilight in the desert, the coming Saudi oil shock and the World economy”
he could not have imagined that Saudi Arabia would be threatened by a pre-dawn drone & missile attack on a plant in Abqaiq, processing oil from Ghawar, the very oil field Matt had warned suffered from high water cut rates and could not maintain production rates of 5 mb/d (chapter 7).
One of Matt’s slide shows is here:
Indeed, Saudi Aramco’s prospectus for the London Stock Exchange (Initial Public Offering IPO), published in April 2019, has Ghawar producing a sustainable maximum of only 3.8 mb/d, 1.2 mb/d less than was generally assumed.
According to the prospectus, the maximum sustainable oil production capacity (MSC) from the first 3 fields (affected by the attacks) in the above table should be 3.8 + 1 + 1.45 = 6.25 mb/d.
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