OPERATORS · RRC 15741

Alto Minerals, Inc

12 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Nov 21, 2003538924ReenterEctorCowden, Emma "D" #294,500Final completion13537380Now Arco Permian
Nov 7, 2003538389ReenterEctorEmma Cowden "D" #245,350—13502618—
Nov 4, 2003538277RecompletionEctorCowden, Emma "D" #275,350Final completion13536755—
Sep 25, 2001513669RecompletionEctorCowden, Emma "D" #275,350Final completion13536755Acquired from Devon Energy Production Co, L.P.
Oct 15, 1999487813RecompletionEctorHolt "A" #24,075Final completion13533348—
Oct 15, 1999487812RecompletionEctorHolt "A" #14,060Final completion13521550—
Jul 14, 1999485020RecompletionEctorHolt, O. B. -B- #25,325Final completion13501713—
May 19, 1999484111ReenterMidlandHale, B. T. #17,256Final completion32901485—
Feb 10, 1999482636RecompletionMidlandFranklin, Jim #111,440—32900003—
Jul 19, 1993413856DrillEctorCowden, Emma "D" #275,450Final completion13536755Acquired from Devon Energy Corporation(nevada)
Sep 6, 1990377347DrillMidlandJones "B" #19,200Final completion32932267Now Endeavor Energy Resources L.P.
Mar 27, 198076386DrillEctorHolt BB #25,170Final completion13533348Acquired from Phillips Petroleum Company