The Patient Money: Billions of private-equity dollars have been committed to E&P start-ups and restarts to deploy in basins across the U.S. These E&P companies—one operator and one nonoperator—have zeroed in on the Anadarko Basin.

  • Hal Chappelle, president and CEO of Alta Mesa Holdings LP; and
  • Marc Rowland, founder and senior managing director of IOG Capital LP.