Warren Allen Stockard, an independent oil operator and partner in a barge line that traveled up and down the Mississippi River, has died at his Houston home at the age of 96. Stockard started in the energy industry as an oil operator in shallow-well drilling and dealing in real estate and partnerships. With Weldon Smith, Stockard was a partner in the Big 6 Drilling Co. He also had an interest in Alamo Barge Lines with Smith’s brother, Edgar A. Smith. Operating out of Houston, the company transported propane on barges on the Intercoastal Canal and the Mississippi River. The firm continued until the 1980s.