< leases

SALLIE "A"

Oil · District 08 · Lease #37662

Operator: HENRY PETROLEUM LP

Fields: SALLIE ANN (SPRABERRY-WOLFCAMP)

Cum Oil

532k BBL

Cum Gas

1.2M MCF

casinghead

Wells

11

Production

2005-09 — 2026-04

Peak Month

2011-05

Production History

Cum Oil: 531,698 BBL Cum Gas: 1,246,010 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,615 BBL/mo

Di (annual)

79.5%

b-factor

0.8

EUR

422,554 BBL

R-squared

0.895

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
2005-09 — 2008-12 HENRY PETROLEUM LP 40 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
261342-135-42070DIAMONDBACK E&P LLC112,0002012-11-05
260942-135-40045DIAMONDBACK E&P LLC110,8002009-12-15
261242-135-40070DIAMONDBACK E&P LLC210,8002009-12-15
260742-135-40028DIAMONDBACK E&P LLC210,8002009-11-18
260542-135-40019DIAMONDBACK E&P LLC110,8002009-11-16
260642-135-40020DIAMONDBACK E&P LLC110,8002009-11-16
260842-135-40021DIAMONDBACK E&P LLC110,8002009-11-16
260342-135-39323DIAMONDBACK E&P LLC110,8002007-05-23
260442-135-39324DIAMONDBACK E&P LLC110,8002007-05-23
260242-135-39317DIAMONDBACK E&P LLC110,8002007-05-01
260142-135-38907DIAMONDBACK E&P LLC210,8002005-06-28