In the Permian Basin, the largest oil-producing shale basin in the U.S. located in West Texas and eastern New Mexico, the rig count dropped by six to 298 in the week leading up to January 24.

Feb 21 (Reuters) - U.S. energy firms this week added oil and natural gas rigs for a fourth week in a row to the highest level since June, energy services firm Baker Hughes (BKR.O), opens new tab ...