...Investments in Saudi Arabia’s oil sector have sharply fluctuated over the past four decades as the country’s production has remained sharply volatile because of its role as a residual producer, mainly during the 1980s and 1990s. From only 2.6 million barrels per day in 1967, Saudi Arabia’s oil output shot up to 9.9 million bpd in 1980 before it dived to 3.17 million bpd in 1985. It then rose and fell again in the following years before it recovered to an average nine million bpd in 2007....
