(Reuters) – U.S. drillers this week added oil rigs for a fifth week in six, according to a closely followed report Friday, prompting analysts to predict the rig count has bottomed and production will start to edge up early next year. Drillers added 10 oil rigs in the week to July 8, bringing the total rig count up to 351, compared with 645 a year ago, energy services firm Baker Hughes Inc. said. Before this week, drillers added oil rigs in only five out of 26 weeks this year, cutting on average eight rigs per week for a total of 195. Last year, they cut 18 rigs per week on average for a total of 963, the biggest decline since at least 1988. After slumping from 1,609 rigs in October 2014 amid the biggest oil price rout in a generation, the rig count started to inch up in June […]