GMX Resources Inc., Oklahoma City, (NYSE: GMXR) reports that its two newest Haynesville/Bossier (H/B) horizontal wells with at least 30 days of production history are the Mercer #11H and the Verhalen F #1H.

The first day of sales for Mercer #11H was July 27, and the well produced an average 8,170 cubic feet per day for the first 30 days of production. The first day of sales for Verhalen F #1H was July 7, and the well produced an average 5,740 cubic feet per day for the first 60 days of production.

The well results represent a continuation of upgraded performances seen since refinement of the company's completion schemes in early 2010, according to GMX. The company expects to continue to see improved well results this year.

GMX has oil and gas operations in Texas, Louisiana and New Mexico.