PEGASUS SPRABERRY UNIT

Oil // district 9 // lease#17147

op: COG OPERATING LLC

cum_oil

11.9M BBL

cum_gas

0 MCF

wells

97

production

2010-05 — 2026-03

peak_month

2024-10

-- production_history

cum_oil: 11,876,084 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

433,075 BBL/mo

Di (annual)

283.1%

b-factor

1.2

EUR

12,451,824 BBL

R-squared

0.968

type

hyperbolic

-- wells (97)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
601MHCOG OPERATING LLC212,0002023-10-04
607MHCOG OPERATING LLC212,0002023-10-04
106MHCOG OPERATING LLC212,0002023-09-29
107MHCOG OPERATING LLC212,0002023-09-29
108MHCOG OPERATING LLC212,0002023-09-29
602MHCOG OPERATING LLC212,0002023-09-29
603MHCOG OPERATING LLC212,0002023-09-29
604MHCOG OPERATING LLC212,0002023-09-29
606MHCOG OPERATING LLC212,0002023-09-29
3803MHCOG OPERATING LLC212,0002021-03-02
3805MHCOG OPERATING LLC212,0002021-03-02
3801MHCOG OPERATING LLC212,0002021-03-01
4902MHCOG OPERATING LLC212,0002020-11-19
4903MHCOG OPERATING LLC212,0002020-11-19
4904MHCOG OPERATING LLC212,0002020-11-19
4901MHCOG OPERATING LLC212,0002020-11-16
4807MHCOG OPERATING LLC212,0002020-10-30
4806MHCOG OPERATING LLC212,0002020-10-29
1006MHCOG OPERATING LLC112,0002019-11-20
1005MHCOG OPERATING LLC112,0002019-11-19
1004MHCOG OPERATING LLC112,0002019-11-18
1406MHCOG OPERATING LLC112,0002018-03-22
1407MHCOG OPERATING LLC112,0002018-03-22
1416MHCOG OPERATING LLC112,0002018-03-20
1007MHCOG OPERATING LLC112,0002016-10-04
2512MOBIL OIL CORPORATION210,4502007-10-17
7013HENRY PETROLEUM LP310,4082002-04-10
4104HENRY PETROLEUM CORP.110,5852001-01-23
4004HENRY PETROLEUM CORP.110,5272000-11-15
1604HENRY PETROLEUM CORP.113,0642000-02-24
4106HENRY PETROLEUM CORP.110,6661999-05-12
1712MOBIL PRODUCING TX. & N.M. INC.210,4901999-04-09
5005HENRY PETROLEUM CORP.17,9451998-12-30
1402MOBIL PRODUCING TX. & N.M. INC.210,2801998-08-10
4207HENRY PETROLEUM CORP.110,4301998-07-21
2513HENRY PETROLEUM CORP.110,4601998-07-16
1723MOBIL PRODUCING TX. & N.M. INC.211,0001997-12-10
4216MOBIL PRODUCING TX. & N.M. INC.18,8001997-06-30
1506MOBIL PRODUCING TX. & N.M. INC.110,0001995-01-26
163MOBIL PRODUCING TX. & N.M. INC.19,0001995-01-20
110MOBIL PRODUCING TX. & N.M. INC.211,8701994-07-07
722MOBIL PRODUCING TX. & N.M. INC.311,0001994-07-07
806MOBIL PRODUCING TX. & N.M. INC.110,1001994-07-07
804MOBIL PRODUCING TX. & N.M. INC.110,0001994-05-27
3403MOBIL PRODUCING TX. & N.M. INC.19,0001994-04-22
1602MOBIL PRODUCING TX. & N.M. INC.212,6501994-04-19
1709MOBIL PRODUCING TX. & N.M. INC.19,9051994-03-10
1615MOBIL PRODUCING TX. & N.M. INC.19,0001994-03-07
162MOBIL PRODUCING TX. & N.M. INC.19,0001993-09-03
3302MOBIL PRODUCING TX. & N.M. INC.19,0001993-08-31
161MOBIL PRODUCING TX. & N.M. INC.311,0001993-08-09
113MOBIL PRODUCING TX. & N.M. INC.210,5871989-10-06
4401MOBIL PRODUCING TX. & N.M. INC.17,8401981-09-25
707MOBIL PRODUCING TX. & N.M. INC.210,3301980-11-19
4404MOBIL OIL CORPORATION28,1801978-11-10
112MOBIL OIL CORPORATION113,0871978-11-01
1305MOBIL OIL CORPORATION110,4601978-11-01
2902MOBIL OIL CORPORATION113,1301978-10-05
128MOBIL OIL CORPORATION110,3101978-10-04
4308MOBIL OIL CORPORATION110,5901978-10-04
1714MOBIL OIL CORPORATION110,6301978-09-27
2305MOBIL OIL CORPORATION18,1801978-09-11
2510MOBIL OIL CORPORATION18,1801978-09-11
3904MOBIL OIL CORPORATION18,1801978-09-11
4101MOBIL OIL CORPORATION18,1801978-09-11
4206MOBIL OIL CORPORATION18,1801978-09-11
2509MOBIL OIL CORPORATION110,3651978-08-04
132MOBIL OIL CORPORATION110,2871978-08-02
2514MOBIL OIL CORPORATION110,4941978-08-02
1707MOBIL OIL CORPORATION110,3891978-05-01
1306MOBIL OIL CORPORATION110,4801978-03-23
2203MOBIL OIL CORPORATION110,3201978-03-23
1404MOBIL OIL CORPORATION18,1801977-12-02
710MOBIL OIL CORPORATION110,3001977-09-22
709MOBIL OIL CORPORATION17,9301977-06-29
12942-329-01026--------
131242-461-03385--------
14842-329-01007--------
149W42-329-01006--------
15342-329-01694--------
160942-461-80620--------
171542-461-80624--------
220542-461-01853--------
230642-461-01079--------
290442-461-80640--------
340142-461-02815--------
380142-461-02791--------
3901S42-461-01251--------
410742-461-04287--------
410842-461-80647--------
4301S42-461-02779--------
570142-461-03302--------
570242-461-03303--------
580142-461-02116--------
590142-461-02117--------
590242-461-02118--------
60642-329-01402--------
EOF // data source: Texas Railroad Commission // 2026