SULLY UNIT

Oil · District 05 · Lease #4037

Operator: VESS OIL CORPORATION

Cum Oil

239k BBL

Cum Gas

102k MCF

casinghead

Wells

1

Production

2013-12 — 2026-04

Peak Month

2014-01

Production History

Cum Oil: 239,277 BBL Cum Gas: 102,479 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,826 BBL/mo

Di (annual)

296.1%

b-factor

1.2

EUR

357,159 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2017-08 — 2026-07 VESS OIL CORPORATION 108 mo
2016-05 — 2017-07 HAWKWOOD ENERGY OPERATING, LLC 15 mo
2013-12 — 2016-04 EOG RESOURCES, INC. 29 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HVESS OIL CORPORATION28,2002013-10-10