Tim Harris was preparing to relocate for an assignment with energy services firm Halliburton Co ( HAL.N ) for the fifth time in 15 years when his career came to a halt. A third-generation employee, Harris rose through the ranks at the top shale-oil services provider to oversee oilfield crews. He sailed through several busts, with the exception of a 9-month break in 2016. But April’s historic price crash, which has left U.S. crude prices down 50% since January, put him and tens of thousands of oil service veterans out of work. The cuts have gone deep into the ranks of managers, taking seniority and skills gained through past downturns. Such cuts, which are expected to accelerate this year, spell trouble for firms when it comes to restaffing and tapping know-how from prior busts, said some industry executives interviewed by Reuters. Halliburton this month cut 22% of […]