RATLIFF A

Oil · District 08 · Lease #40136

Operator: RELIANCE ENERGY, INC.

Cum Oil

5.2M BBL

Cum Gas

12.8M MCF

casinghead

Wells

58

Production

2010-02 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 5,236,933 BBL Cum Gas: 12,776,615 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

74,228 BBL/mo

Di (annual)

29.0%

b-factor

0.0

EUR

3,072,286 BBL

R-squared

0.962

type

exponential

Operator History (from monthly production reports)

2016-10 — 2026-07 COG OPERATING LLC 118 mo
2010-02 — 2016-09 RELIANCE ENERGY, INC. 80 mo

Wells (58)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3004SWCOG OPERATING LLC215,0002022-07-28
3001COG OPERATING LLC313,0002016-05-27
2006LSCOG OPERATING LLC113,0002014-10-15
1915COG OPERATING LLC113,0002014-09-29
2102COG OPERATING LLC113,0002014-09-09
2904LSCOG OPERATING LLC213,0002014-02-13
2802HCOG OPERATING LLC212,0002013-05-31
3003COG OPERATING LLC113,0002013-04-03
1917COG OPERATING LLC113,0002013-02-14
2008COG OPERATING LLC113,0002013-02-06
2013COG OPERATING LLC213,0002013-02-06
2009COG OPERATING LLC113,0002013-02-05
2011COG OPERATING LLC113,0002013-02-05
2012COG OPERATING LLC113,0002013-02-05
1906COG OPERATING LLC113,0002013-01-28
1907COG OPERATING LLC113,0002013-01-28
1908COG OPERATING LLC213,0002013-01-28
1909COG OPERATING LLC113,0002013-01-28
1910COG OPERATING LLC113,0002013-01-28
1911COG OPERATING LLC214,0002013-01-28
1912COG OPERATING LLC113,0002013-01-28
1913COG OPERATING LLC113,0002013-01-28
1914COG OPERATING LLC113,0002013-01-28
1916COG OPERATING LLC113,0002013-01-28
2903HCOG OPERATING LLC19,0002012-04-26
1713COG OPERATING LLC113,0002012-04-20
1712COG OPERATING LLC113,0002012-04-18
1714COG OPERATING LLC113,0002012-04-18
1715COG OPERATING LLC113,0002012-04-18
1716COG OPERATING LLC113,0002012-04-18
1806COG OPERATING LLC113,0002012-04-18
1808COG OPERATING LLC113,0002012-04-18
1810COG OPERATING LLC113,0002012-04-18
1812COG OPERATING LLC113,0002012-04-18
1814COG OPERATING LLC113,0002012-04-18
1816COG OPERATING LLC113,0002012-04-18
1711COG OPERATING LLC113,0002012-04-17
1903RCOG OPERATING LLC113,0002011-09-15
1709COG OPERATING LLC113,0002011-05-16
1710COG OPERATING LLC113,0002011-05-16
1705COG OPERATING LLC113,0002011-05-13
1706COG OPERATING LLC113,0002011-05-13
1707COG OPERATING LLC113,0002011-05-13
1708COG OPERATING LLC113,0002011-05-13
1704COG OPERATING LLC113,0002011-03-01
1904COG OPERATING LLC113,0002011-02-25
1905COG OPERATING LLC113,0002011-02-25
1804COG OPERATING LLC113,0002011-02-24
1703COG OPERATING LLC113,0002011-01-21
2005COG OPERATING LLC113,0002010-10-29
1802COG OPERATING LLC213,0002010-08-10
2002COG OPERATING LLC213,0002010-04-16
1701COG OPERATING LLC213,0002010-04-12
1702COG OPERATING LLC213,0002010-04-12
1902COG OPERATING LLC213,0002010-03-26
2004COG OPERATING LLC213,0002010-03-26
2101COG OPERATING LLC111,5002009-10-30
2801COG OPERATING LLC111,5002009-10-30