UPDATE 1-U.S. drillers add the most oil rigs since April 2013 -Baker Hughes

(Adds rigs in the Permian and Cana Woodford basins in

paragraphs 5-6, total oil and gas rig count in paragraph 12)

Jan 20 (Reuters) - U.S. energy companies this week added the

most oil rigs in nearly four years, extending an eight-month

recovery as drillers take advantage of a deal by OPEC to cut

supplies that has boosted prices over $50 a barrel since early

December.

Drillers added 29 oil rigs in the week to Jan. 20, bringing

the total count up to 551, the most since November 2015, e

Read more