BARNES

Oil · District 03 · Lease #25551

Operator: SOUTH TEXAS OPERATING COMPANY

Cum Oil

46k BBL

Cum Gas

10k MCF

casinghead

Wells

1

Production

2010-06 — 2026-02

Peak Month

2011-01

Production History

Cum Oil: 45,992 BBL Cum Gas: 10,414 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,636 BBL/mo

Di (annual)

59.8%

b-factor

0.3

EUR

46,674 BBL

R-squared

0.807

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2026-07 SOUTH TEXAS OPERATING COMPANY 79 mo
2010-06 — 2019-12 BEXCO OPERATING, INC. 115 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RESOUTH TEXAS OPERATING COMPANY29,5002010-04-26