Leaked documents reveal Schlumberger furloughed staff and cut wages as it faces a historic oil price meltdown

· The world's largest oilfield service company, Schlumberger, is furloughing its North American staff to reduce their work hours by about 20%, according to a leaked memo obtained by Business Insider. 
· Some hourly workers have also had their pay cut by 15%. The news was delivered to them in a letter that appeared to use a...