MABEE 239D

Oil · District 08 · Lease #40730

Operator: RELIANCE ENERGY, INC.

Cum Oil

1.0M BBL

Cum Gas

2.6M MCF

casinghead

Wells

23

Production

2010-09 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 1,008,028 BBL Cum Gas: 2,608,508 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,670 BBL/mo

Di (annual)

22.5%

b-factor

0.1

EUR

867,682 BBL

R-squared

0.850

type

hyperbolic

Operator History (from monthly production reports)

2017-08 — 2026-07 COG OPERATING LLC 108 mo
2011-01 — 2017-07 OXY USA INC. 79 mo
2010-09 — 2010-12 RELIANCE ENERGY, INC. 4 mo

Wells (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1640WWCOG OPERATING LLC12,5002014-06-03
1702COG OPERATING LLC111,5502014-04-05
108COG OPERATING LLC112,5002014-03-10
109COG OPERATING LLC112,5002014-03-06
114COG OPERATING LLC111,5502012-12-21
116COG OPERATING LLC111,5502012-12-21
103COG OPERATING LLC113,0002012-06-06
110COG OPERATING LLC112,5002012-05-24
1704COG OPERATING LLC112,5002012-05-18
104COG OPERATING LLC112,5002012-04-10
106COG OPERATING LLC112,5002012-04-10
112COG OPERATING LLC112,5002011-12-01
1611COG OPERATING LLC112,5002011-11-18
115COG OPERATING LLC112,5002011-11-02
1701COG OPERATING LLC112,5002011-07-11
1609COG OPERATING LLC112,5002011-06-25
1606RCOG OPERATING LLC112,5002011-05-23
117COG OPERATING LLC112,5002011-04-26
1602COG OPERATING LLC112,5002011-03-11
1703COG OPERATING LLC112,5002011-02-25
105COG OPERATING LLC112,5002011-02-23
1601RCOG OPERATING LLC113,0002010-07-19
102COG OPERATING LLC213,0002009-12-28