Baker Hughes on Friday reported that the number of active U.S. rigs drilling for oil rose by 1 to 863 this week. That modest rise marks a fourth straight weekly climb. However, the total active U.S. rig count, which includes oil and natural-gas rigs, fell by 3 to 1,059, according to Baker Hughes. July West Texas Intermediate crude was down $1.97, or 3%, at $64.92 a barrel, up slightly from $64.88 a barrel before the Baker Hughes numbers.