An abundance of fossil fuels combined with advances in technology to harness wind and solar power has sent energy prices crashing around the world. WSJ explains how it all happened at once. Photo illustration: Carlos Waters/WSJ After cutting thousands of jobs during the coronavirus pandemic, the oil industry is accelerating its embrace of remote drilling and fracking, changes that will reshape its workforce permanently. Schlumberger Ltd., Halliburton Co. and Baker Hughes Co., the world’s three largest oil-field service providers, are shifting more tasks from drilling specialists at well sites to remote engineers working from offices or, increasingly, their homes. …