OPERATORS · RRC 412175

Hugoton Engy Corp

WindowAll time 90 days 1 year 3 years 10 years

CountyReagan 52 Irion 19 Sherman 11 Glasscock 7 Wilbarger 2 Oldham 1 Sutton 1

93 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Oct 16, 1997	468633	Drill	Reagan	Rocker B '19' #2	7,200	Final completion	38334865	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468632	Drill	Reagan	Rocker B '16' #2	7,200	Final completion	38334866	Now Discovery Natural Resources LLC
Oct 16, 1997	468631	Drill	Reagan	Rocker B '22' #1	7,200	Final completion	38334867	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468630	Drill	Reagan	Rocker B '18' #3	7,200	Final completion	38334868	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468629	Drill	Irion	Rocker B '15' #4	7,200	Final completion	23533694	Now Discovery Natural Resources LLC
Oct 16, 1997	468628	Drill	Reagan	Rocker B '13' #4	7,200	Final completion	38334869	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468627	Drill	Reagan	Rocker B '21' #1	7,200	Final completion	38334870	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468626	Drill	Irion	Rocker B '21' #2	7,200	—	23533695	—
Oct 16, 1997	468625	Drill	Irion	Rocker B 'QQ' #2	7,200	Final completion	23533696	Now Pioneer Natural Res. USA Inc.
Oct 16, 1997	468624	Drill	Irion	Rocker B '21' #3	7,200	—	23533697	—
Sep 29, 1997	467823	Drill	Reagan	Rocker B '19' #1	7,200	Final completion	38334859	Now Pioneer Natural Res. USA Inc.
Sep 26, 1997	467825	Recompletion	Irion	Mayse #2	6,750	Final completion	23532251	Now Nadel and Gussman Permian L.L.C.
Sep 26, 1997	467824	Recompletion	Irion	Sugg, A. A. "15" #1	7,400	Final completion	23531781	Now Cimarex Energy Co. of Colorado
Sep 18, 1997	467076	Drill	Reagan	Rocker B '13' #1	7,200	—	38334838	—
Sep 15, 1997	467078	Drill	Reagan	Rocker B '20' #1	7,200	Final completion	38334840	Now Pioneer Natural Res. USA Inc.
Sep 15, 1997	467077	Drill	Reagan	Rocker B '14' #2	7,200	Final completion	38334839	Now Pioneer Natural Res. USA Inc.
Aug 27, 1997	466564	Drill	Reagan	Rocker B '15' #3	7,200	Final completion	38334831	Now Pioneer Natural Res. USA Inc.
Aug 27, 1997	466563	Drill	Reagan	Rocker B '11' #3	7,200	Final completion	38334830	Now Pioneer Natural Res. USA Inc.
Aug 27, 1997	466562	Drill	Reagan	Rocker B '13' #3	7,200	Final completion	38334833	Now Pioneer Natural Res. USA Inc.
Aug 27, 1997	466560	Drill	Reagan	Rocker B '15' #2	7,200	Final completion	38334832	Now Discovery Natural Resources LLC
Aug 27, 1997	466559	Drill	Reagan	Rocker B '13' #2	7,200	Final completion	38334834	Now Pioneer Natural Res. USA Inc.
Aug 11, 1997	465554	Recompletion	Sutton	Sugg, A. A. "30" #1	7,200	Final completion	23531934	Now Cimarex Energy Co. of Colorado
Aug 5, 1997	465523	Drill	Reagan	Rocker B '18' #1	7,200	Final completion	38334826	Now Pioneer Natural Res. USA Inc.
Aug 4, 1997	465555	Recompletion	Irion	Sugg, A. A. "3058" #1	7,300	Final completion	23531734	—
Aug 4, 1997	465522	Drill	Reagan	Rocker B '16' #1	7,200	Final completion	38334825	Now Discovery Natural Resources LLC
Aug 4, 1997	465521	Drill	Reagan	Rocker B '17' #1	7,200	Final completion	38334824	Now Pioneer Natural Res. USA Inc.
Aug 4, 1997	465520	Drill	Reagan	Rocker B '17' #2	7,200	Final completion	38334823	Now Pioneer Natural Res. USA Inc.
Jul 22, 1997	465231	Drill	Reagan	Rocker B '15' #1	7,200	Final completion	38334817	Now Pioneer Natural Res. USA Inc.
Jul 22, 1997	465230	Drill	Reagan	Rocker B '11' #2	7,000	Final completion	38334816	Now Pioneer Natural Res. USA Inc.
Jul 22, 1997	465229	Drill	Reagan	Rocker B "18" #2	7,200	Final completion	38334818	—
Jul 11, 1997	464825	Drill	Reagan	Rocker B '14' #1	7,200	Final completion	38334813	Now Pioneer Natural Res. USA Inc.
Jul 10, 1997	464746	Drill	Reagan	Rocker B '12' #2	7,000	—	38334809	—
Jun 27, 1997	464368	Drill	Reagan	Rocker B '12' #1	7,000	Final completion	38334797	Now Pioneer Natural Res. USA Inc.
Jun 20, 1997	464055	Drill	Reagan	Rocker B "11" #1	7,000	Final completion	38334793	Now Pioneer Natural Res. USA Inc.
Jun 20, 1997	464054	Drill	Irion	Rocker B "QQ" #1	6,700	Final completion	23533672	Now Pioneer Natural Res. USA Inc.
Jun 17, 1997	463909	Drill	Reagan	Rocker B 'C' #12	7,000	—	38334788	—
May 15, 1997	462449	Drill	Irion	Rocker B "Q" #15	7,900	Final completion	23533656	Now Pioneer Natural Res. USA Inc.
May 15, 1997	462448	Drill	Irion	Rocker B "Q" #16	7,900	Final completion	23533657	Now Pioneer Natural Res. USA Inc.
May 5, 1997	461937	Drill	Reagan	Rocker, B.-D- #12	7,300	Final completion	38334762	Now Pioneer Natural Res. USA Inc.
May 5, 1997	461936	Drill	Reagan	Rocker, B. -D- #13	7,300	Final completion	38334763	Now Pioneer Natural Res. USA Inc.
Apr 22, 1997	461471	Drill	Reagan	Rocker B 10 #118	7,300	Final completion	38334757	Now Pioneer Natural Res. USA Inc.
Apr 16, 1997	460995	Drill	Glasscock	Chriesman #2	8,320	—	17332758	Now Pioneer Natural Res. USA Inc.
Apr 16, 1997	460995	Drill	Glasscock	Chriesman #2	9,100	Final completion	17332758	Now Pioneer Natural Res. USA Inc.
Apr 16, 1997	460991	Drill	Glasscock	Chriesman A #4	8,320	—	17332759	Now Pioneer Natural Res. USA Inc.
Apr 16, 1997	460991	Drill	Glasscock	Chriesman -A- #4	9,100	Final completion	17332759	Now Pioneer Natural Res. USA Inc.
Apr 11, 1997	461000	Drill	Reagan	Rocker B2 #115	7,300	Final completion	38334752	Now Pioneer Natural Res. USA Inc.
Apr 11, 1997	460998	Drill	Irion	Rocker B -E- #10	7,300	Final completion	23533645	Now Discovery Natural Resources LLC
Mar 14, 1997	459903	Drill	Glasscock	Chriesman "A" #3	8,320	—	17332743	Now Pioneer Natural Res. USA Inc.
Mar 14, 1997	459903	Drill	Glasscock	Chriesman -A- #3	9,100	Final completion	17332743	Now Pioneer Natural Res. USA Inc.
Mar 7, 1997	459600	Drill	Reagan	Rocker B D #10	7,300	Final completion	38334736	Now Pioneer Natural Res. USA Inc.