U.S. oil producers are struggling to find enough crews, vehicles and equipment to take advantage of rising global demand and a seven-year high in crude prices, say executives at oilfield service firms. The problems are preventing the world’s top oil producer and consumer, the United States, from responding to higher prices and could mean it takes longer for global output to match demand recovering from the coronavirus pandemic. That would result in oil firms draining inventories and in turn contribute to higher prices. Higher energy prices are fueling consumer inflation, which last month hit 6.2%, the highest in 30 years. The Biden administration has urged oil producers to pump more oil, signaling it might release U.S. emergency stockpiles if prices keep rising. The drillers and service firms that bring new oil and gas to market are confronting shortages and delays in everything from trucks, […]