Low oil prices have begun to take their toll on petroleum exploration and production (E&P) companies in Asia, with US-based Chevron Corp preparing to cut jobs at its Thai operations as part of the company'sglobal headcount reduction of 4,000 this year. Chevron Thailand Exploration is preparing to issue a statement today about the number of staff to be let go, a company spokesperson global headcount reduction of 4,000 this year. Chevron Thailand Exploration is preparing to