PEGASUS SPRABERRY UNIT

Oil · District 7C · Lease #4116

Operator: MOBIL PRODUCING TX. & N.M. INC.

Cum Oil

3.0M BBL

Cum Gas

2.8M MCF

casinghead

Wells

107

Production

1993-01 — 2010-04

Peak Month

1995-08

Production History

Cum Oil: 2,962,620 BBL Cum Gas: 2,763,773 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,548 BBL/mo

Di (annual)

3.6%

b-factor

0.0

EUR

5,138,919 BBL

R-squared

0.767

type

exponential

Operator History (from monthly production reports)

2009-01 — 2010-07 COG OPERATING LLC 19 mo
2001-04 — 2008-12 HENRY PETROLEUM LP 93 mo
1998-04 — 2001-03 HENRY PETROLEUM CORP. 36 mo
1993-01 — 1998-03 MOBIL PRODUCING TX. & N.M. INC. 63 mo

Wells (107)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1710COG OPERATING LLC210,5152007-12-08
2512COG OPERATING LLC210,4502007-10-17
4003COG OPERATING LLC210,5752007-07-31
4105COG OPERATING LLC410,6702006-11-28
101COG OPERATING LLC210,5352006-06-28
809COG OPERATING LLC212,1502002-08-28
808HENRY PETROLEUM LP17,8402002-05-23
4005WCOG OPERATING LLC17,3702002-04-22
7013COG OPERATING LLC310,4082002-04-10
4104COG OPERATING LLC110,5852001-01-23
4004COG OPERATING LLC110,5272000-11-15
164COG OPERATING LLC29,0002000-08-25
1604COG OPERATING LLC113,0642000-02-24
1606COG OPERATING LLC310,2931999-07-07
4106COG OPERATING LLC110,6661999-05-12
1712COG OPERATING LLC210,4901999-04-09
130WCOG OPERATING LLC110,3861999-02-09
5005COG OPERATING LLC17,9451998-12-30
1402COG OPERATING LLC210,2801998-08-10
4207COG OPERATING LLC110,4301998-07-21
2513COG OPERATING LLC110,4601998-07-16
1723COG OPERATING LLC211,0001997-12-10
4216COG OPERATING LLC18,8001997-06-30
5104COG OPERATING LLC18,8001996-12-31
1506COG OPERATING LLC110,0001995-01-26
163COG OPERATING LLC19,0001995-01-20
110XTO ENERGY INC.211,8701994-07-07
722COG OPERATING LLC311,0001994-07-07
806COG OPERATING LLC110,1001994-07-07
804COG OPERATING LLC110,0001994-05-27
3403COG OPERATING LLC19,0001994-04-22
1602COG OPERATING LLC212,6501994-04-19
1709COG OPERATING LLC19,9051994-03-10
1615COG OPERATING LLC19,0001994-03-07
162COG OPERATING LLC19,0001993-09-03
3302COG OPERATING LLC19,0001993-08-31
161COG OPERATING LLC311,0001993-08-09
1504COG OPERATING LLC16,0171993-06-29
113COG OPERATING LLC210,5871989-10-06
901COG OPERATING LLC17,7941986-09-19
4213COG OPERATING LLC17,8461986-06-20
4215COG OPERATING LLC17,8351986-02-24
1716COG OPERATING LLC17,8421985-08-01
711COG OPERATING LLC210,4381983-08-29
4401COG OPERATING LLC17,8401981-09-25
2408COG OPERATING LLC18,2001981-08-21
707COG OPERATING LLC210,3301980-11-19
4404COG OPERATING LLC28,1801978-11-10
112COG OPERATING LLC113,0871978-11-01
112WCOG OPERATING LLC113,0871978-11-01
1305COG OPERATING LLC110,4601978-11-01
2902COG OPERATING LLC113,1301978-10-05
128COG OPERATING LLC110,3101978-10-04
4308COG OPERATING LLC110,5901978-10-04
1714COG OPERATING LLC110,6301978-09-27
2305COG OPERATING LLC18,1801978-09-11
2510COG OPERATING LLC18,1801978-09-11
3904COG OPERATING LLC18,1801978-09-11
4101COG OPERATING LLC18,1801978-09-11
4206COG OPERATING LLC18,1801978-09-11
2509COG OPERATING LLC110,3651978-08-04
132COG OPERATING LLC110,2871978-08-02
2103COG OPERATING LLC110,4351978-08-02
2514COG OPERATING LLC110,4941978-08-02
1707COG OPERATING LLC110,3891978-05-01
602COG OPERATING LLC110,6801978-04-13
1306COG OPERATING LLC110,4801978-03-23
2203COG OPERATING LLC110,3201978-03-23
1404COG OPERATING LLC18,1801977-12-02
710COG OPERATING LLC110,3001977-09-22
709COG OPERATING LLC17,9301977-06-29
12942-329-01026COG OPERATING LLC------
131242-461-03385COG OPERATING LLC------
1313W42-329-01043COG OPERATING LLC------
1401S42-329-00661COG OPERATING LLC------
14542-329-01022COG OPERATING LLC------
147W42-329-01008COG OPERATING LLC------
14842-329-01007COG OPERATING LLC------
149W42-329-01006COG OPERATING LLC------
15042-329-01710COG OPERATING LLC------
152W42-329-01693COG OPERATING LLC------
15342-329-01694COG OPERATING LLC------
160842-461-03314COG OPERATING LLC------
160942-461-80620COG OPERATING LLC------
171542-461-80624COG OPERATING LLC------
171742-461-02788COG OPERATING LLC------
180242-461-01075COG OPERATING LLC------
220542-461-01853COG OPERATING LLC------
230642-461-01079COG OPERATING LLC------
251842-461-03377COG OPERATING LLC------
290442-461-80640COG OPERATING LLC------
330142-461-03296COG OPERATING LLC------
340142-461-02815COG OPERATING LLC------
3401W42-461-02815COG OPERATING LLC------
380142-461-02791COG OPERATING LLC------
3901S42-461-01251COG OPERATING LLC------
410742-461-04287COG OPERATING LLC------
410842-461-80647COG OPERATING LLC------
4301S42-461-02779COG OPERATING LLC------
4906W42-461-03336COG OPERATING LLC------
570142-461-03302COG OPERATING LLC------
570242-461-03303COG OPERATING LLC------
580142-461-02116COG OPERATING LLC------
590142-461-02117COG OPERATING LLC------
590242-461-02118COG OPERATING LLC------
60642-329-01402COG OPERATING LLC------
71942-329-00902COG OPERATING LLC------