< leases

SALLIE 'C'

Oil · District 08 · Lease #37525

Operator: HENRY PETROLEUM LP

Fields: SALLIE ANN (SPRABERRY-WOLFCAMP)

Cum Oil

307k BBL

Cum Gas

624k MCF

casinghead

Wells

7

Production

2004-11 — 2026-04

Peak Month

2010-12

Production History

Cum Oil: 307,398 BBL Cum Gas: 623,811 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,193 BBL/mo

Di (annual)

84.2%

b-factor

1.2

EUR

277,593 BBL

R-squared

0.824

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
2004-11 — 2008-12 HENRY PETROLEUM LP 50 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10442-135-40062DIAMONDBACK E&P LLC210,8002009-12-15
11342-135-40007DIAMONDBACK E&P LLC110,8002009-12-08
10342-135-40011DIAMONDBACK E&P LLC110,8002009-11-12
10842-135-39834DIAMONDBACK E&P LLC110,8002009-03-24
10642-135-39605DIAMONDBACK E&P LLC110,8002008-09-08
10542-135-39509DIAMONDBACK E&P LLC110,8002008-05-02
10142-135-38751DIAMONDBACK E&P LLC210,8002004-09-16