OPERATORS · TEXAS · P-5 NUMBER 412178

Hugoton Operating Company, Inc.

WindowAll time 90 days 1 year 3 years 10 years

15 FILINGS · 10 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Mar 25, 2011	712524	Recompletion	Webb	Despain #8	10,250	Final completion	47935780	Acquired from EOG Resources, Inc.
Aug 4, 2007	643237	Drill	Webb	Stroman-Armstrong #6	14,500	—	47939902	Acquired from U.S. Enercorp, Ltd.
Aug 4, 2007	643237Amendment	Drill	Webb	Stroman-Armstrong #6	14,700	Final completion	47939902	Acquired from U.S. Enercorp, Ltd.
Feb 13, 2007	632827	Drill	Webb	Stroman-Armstrong #5	14,500	—	47939767	Acquired from U.S. Enercorp, Ltd.
Feb 13, 2007	632827Amendment	Drill	Webb	Stroman-Armstrong #5	14,500	Final completion	47939767	Acquired from U.S. Enercorp, Ltd.
Mar 12, 1993	409823	Drill	Webb	De Spain #8	10,250	—	47935780	Acquired from Enron Oil & Gas Company
Mar 12, 1993	409823Amendment	Drill	Webb	Despain #8	10,250	Final completion	47935780	Acquired from Enron Oil & Gas Company
Dec 22, 1992	407534	Drill	Webb	Despain #6	10,250	Final completion	47935737	Acquired from Enron Oil & Gas Company
Dec 22, 1992	407534Amendment	Drill	Webb	Despain #6	10,250	Spudded	47935737	Acquired from Enron Oil & Gas Company
Nov 20, 1992	406410	Drill	Webb	Despain #3	10,150	Final completion	47935701	Acquired from Enron Oil & Gas Company
Aug 5, 1992	402060	Drill	Webb	Hughes Ranch #3	10,575	Final completion	47935550	Acquired from Enron Oil & Gas Company
Feb 27, 1992	397055	Drill	Webb	Hughes Ranch #2	10,600	Final completion	47935412	Acquired from Enron Oil & Gas Company
Aug 16, 1991	390985	Drill	Webb	Hughes Ranch #1	11,400	Final completion	47935292	Acquired from Enron Oil & Gas Company
Aug 16, 1991	390985Amendment	Drill	Webb	Hughes Ranch #1	11,400	Spudded	47935292	Acquired from Enron Oil & Gas Company
Jul 29, 1983	203437	Drill	Webb	Frost, P.M. #3	11,500	Final completion	47933670	Acquired from Conoco Inc.