BARRETT-MARKS

Oil · District 03 · Lease #26280

Operator: VESS OIL CORPORATION

Cum Oil

145k BBL

Cum Gas

95k MCF

casinghead

Wells

1

Production

2013-02 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 144,622 BBL Cum Gas: 95,236 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,297 BBL/mo

Di (annual)

158.7%

b-factor

1.4

EUR

231,578 BBL

R-squared

0.881

type

hyperbolic

Operator History (from monthly production reports)

2013-12 — 2026-07 VESS OIL CORPORATION 152 mo
2013-02 — 2013-11 ENERVEST OPERATING, L.L.C. 10 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HVESS OIL CORPORATION29,2002012-10-18