Barton C. Birdsall has been appointed manager of geological operations for Longhorn Oil and Gas Company, Oklahoma City, Okla., privately held independent exploration and production firm active both onshore and offshore, primarily in the Gulf Coast, Midcontinent and Rocky Mountain areas of the United States.
Reporting to John S. Porter, vice president of exploration, Mr. Birdsall will coordinate Longhorn's domestic exploration activities, with primary emphasis on developmental operations, said Jack Phillips, president and chief executive officer of Longhorn Oil and Gas Company.