RATLIFF B

Oil · District 08 · Lease #40445

Operator: RELIANCE ENERGY, INC.

Cum Oil

1.3M BBL

Cum Gas

3.4M MCF

casinghead

Wells

17

Production

2010-01 — 2026-04

Peak Month

2012-12

Production History

Cum Oil: 1,270,343 BBL Cum Gas: 3,390,717 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,990 BBL/mo

Di (annual)

17.8%

b-factor

0.0

EUR

1,007,661 BBL

R-squared

0.788

type

exponential

Operator History (from monthly production reports)

2016-10 — 2026-07 COG OPERATING LLC 118 mo
2010-01 — 2016-09 RELIANCE ENERGY, INC. 81 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1616COG OPERATING LLC113,0002014-09-12
1612COG OPERATING LLC113,0002014-08-20
1614COG OPERATING LLC113,0002014-08-20
1615COG OPERATING LLC113,0002014-08-20
1617COG OPERATING LLC113,0002014-08-20
1605COG OPERATING LLC213,0002013-02-27
1611COG OPERATING LLC113,0002012-04-05
1613COG OPERATING LLC113,0002012-04-05
1610COG OPERATING LLC113,0002011-05-20
1606COG OPERATING LLC113,0002011-05-16
1607COG OPERATING LLC113,0002011-05-16
1608COG OPERATING LLC213,0002011-05-16
1609COG OPERATING LLC113,0002011-05-13
1604COG OPERATING LLC113,0002011-02-23
1603COG OPERATING LLC213,0002010-08-13
1602COG OPERATING LLC113,0002010-08-12
1601COG OPERATING LLC211,5002009-10-30