BEALL "A"

Oil · District 7B · Lease #14733

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

46k BBL

Cum Gas

253k MCF

casinghead

Wells

2

Production

1993-01 — 2026-03

Peak Month

1993-06

Production History

Cum Oil: 46,264 BBL Cum Gas: 252,971 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

223 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

22,995 BBL

R-squared

0.516

type

exponential

Operator History (from monthly production reports)

2026-03 — 2026-07 EXTEX OPERATING COMPANY 5 mo
2011-08 — 2026-02 CHOLLA PETROLEUM, INC. 175 mo
2004-05 — 2011-07 NORTHSTAR OPERATING COMPANY 87 mo
1993-01 — 2004-04 HANSON CORPORATION 136 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTEX OPERATING COMPANY15,9001979-01-15
1EXTEX OPERATING COMPANY16,0001978-10-31