The oil majors are set for windfall earnings for the second quarter, which saw crude oil prices jump to a four-year high due to the closure of the Strait of Hormuz. The earnings at both ExxonMobil and Chevron are expected to have tripled in the April to June quarter compared to the first quarter, as the worst supply disruption in the history of oil markets crippled oil flows from the Middle East, triggered crude price spikes and heightened volatility, and depleted oil inventories, including in the United States. Exxon is estimated to have booked…