PEGASUS SPRABERRY UNIT

Oil · District 7C · Lease #17147

Operator: COG OPERATING LLC

Cum Oil

12.2M BBL

Cum Gas

20.4M MCF

casinghead

Wells

97

Production

2010-05 — 2026-04

Peak Month

2024-11

Production History

Cum Oil: 12,242,405 BBL Cum Gas: 20,398,625 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

439,251 BBL/mo

Di (annual)

244.6%

b-factor

0.9

EUR

8,787,535 BBL

R-squared

0.981

type

hyperbolic

Operator History (from monthly production reports)

2010-05 — 2026-07 COG OPERATING LLC 195 mo

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
2512COG OPERATING LLC210,4502007-10-17
7013COG OPERATING LLC310,4082002-04-10
4104COG OPERATING LLC110,5852001-01-23
4004COG OPERATING LLC110,5272000-11-15
1604COG OPERATING LLC113,0642000-02-24
4106COG OPERATING LLC110,6661999-05-12
1712COG OPERATING LLC210,4901999-04-09
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
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
113COG OPERATING LLC210,5871989-10-06
4401COG OPERATING LLC17,8401981-09-25
707COG OPERATING LLC210,3301980-11-19
4404COG OPERATING LLC28,1801978-11-10
112COG 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
2514COG OPERATING LLC110,4941978-08-02
1707COG OPERATING LLC110,3891978-05-01
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------
14842-329-01007COG OPERATING LLC------
149W42-329-01006COG OPERATING LLC------
15342-329-01694COG OPERATING LLC------
160942-461-80620COG OPERATING LLC------
171542-461-80624COG OPERATING LLC------
220542-461-01853COG OPERATING LLC------
230642-461-01079COG OPERATING LLC------
290442-461-80640COG OPERATING LLC------
340142-461-02815COG 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------
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------