ANN ADAMS MELVIN UNIT

Oil · District 03 · Lease #25679

Operator: VESS OIL CORPORATION

Cum Oil

238k BBL

Cum Gas

176k MCF

casinghead

Wells

2

Production

2011-01 — 2026-04

Peak Month

2011-03

Production History

Cum Oil: 238,296 BBL Cum Gas: 175,979 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,978 BBL/mo

Di (annual)

18.6%

b-factor

0.0

EUR

192,064 BBL

R-squared

0.350

type

exponential

Operator History (from monthly production reports)

2013-12 — 2026-07 VESS OIL CORPORATION 152 mo
2012-02 — 2013-11 ENERVEST OPERATING, L.L.C. 22 mo
2011-01 — 2012-01 ENDEAVOR NATURAL GAS, LP 13 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HVESS OIL CORPORATION19,0002012-02-02
1HVESS OIL CORPORATION18,2002010-11-16