SALLIE "B"

Oil · District 08 · Lease #37663

Operator: HENRY PETROLEUM LP

Cum Oil

1.0M BBL

Cum Gas

2.7M MCF

casinghead

Wells

17

Production

2005-10 — 2026-04

Peak Month

2011-07

Production History

Cum Oil: 1,031,590 BBL Cum Gas: 2,696,687 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,429 BBL/mo

Di (annual)

115.3%

b-factor

0.8

EUR

593,057 BBL

R-squared

0.856

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 DIAMONDBACK E&P LLC 44 mo
2022-02 — 2022-11 FIREBIRD ENERGY LLC 10 mo
2019-09 — 2022-01 CHEVRON MIDCONTINENT, L.P. 29 mo
2009-01 — 2019-08 COG OPERATING LLC 128 mo
2005-10 — 2008-12 HENRY PETROLEUM LP 39 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1209DIAMONDBACK E&P LLC210,8002009-12-17
1210DIAMONDBACK E&P LLC110,8002009-12-17
1211DIAMONDBACK E&P LLC110,8002009-12-17
1213DIAMONDBACK E&P LLC210,8002009-12-15
1214DIAMONDBACK E&P LLC110,8002009-12-15
1215DIAMONDBACK E&P LLC110,8002009-12-15
1216DIAMONDBACK E&P LLC210,8002009-12-15
1201DIAMONDBACK E&P LLC110,8002009-11-16
1202DIAMONDBACK E&P LLC110,8002009-11-16
1203DIAMONDBACK E&P LLC110,8002008-11-18
1204DIAMONDBACK E&P LLC110,8002008-09-30
1205DIAMONDBACK E&P LLC110,8002008-03-21
1208DIAMONDBACK E&P LLC110,8002008-01-15
1206DIAMONDBACK E&P LLC210,8002007-08-02
1107DIAMONDBACK E&P LLC110,8002006-12-27
207DIAMONDBACK E&P LLC110,8002006-09-28
1207DIAMONDBACK E&P LLC110,8002005-08-01