UPDATE 1-Halliburton to pay $18.3 mln overtime wages -U.S. Labor Dept

Sept 22 (Reuters) - Halliburton Co will pay $18.3 million to more than 1,000 oil and gas workers it improperly exempted from overtime pay, the U.S. Department of Labor said on Tuesday, the latest development in a nationwide probe into wage practices in the industry.