The U.S. rig count rose 10 units to 320 during the short holiday work week ended Wednesday (Nov. 25), driven by a sharp increase in oil-directed drilling, including gains in the Permian Basin and Eagle Ford Shale, according to the latest figures from Baker Hughes Co. (BKR).

Gains in the United States included 10 oil-directed rigs and one natural gas-directed unit, offsetting the departure of one miscellaneous rig, according to the BKR numbers, which are based on data provided in part by Enverus Drillinginfo.

The combined domestic tally finished the period 427 units shy of the 802 rigs active in the year-ago period. Two directional rigs and 11 horizontal rigs were added, offsetting a decline of three vertical units. Land drilling increased by 10, while the Gulf of Mexico tally...