OLDHAM TRUST 26

Oil · District 08 · Lease #47055

Operator: SURGE OPERATING, LLC

Cum Oil

21k BBL

Cum Gas

16k MCF

casinghead

Wells

1

Production

2014-12 — 2019-02

Peak Month

2015-09

Production History

Cum Oil: 20,716 BBL Cum Gas: 15,730 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,415 BBL/mo

Di (annual)

575.0%

b-factor

1.3

EUR

28,866 BBL

R-squared

0.306

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2025-01 SURGE OPERATING, LLC 49 mo
2018-11 — 2020-12 GRENADIER ENERGY PARTNERS II,LLC 26 mo
2018-04 — 2018-10 HIGHPEAK ENERGY HOLDINGS, LLC 7 mo
2016-05 — 2018-03 HARMONIA PET OPERATIONS, LLC 23 mo
2014-12 — 2016-04 HARMONIA PETROLEUM CORPORATION 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SURGE OPERATING LLC19,0002014-07-10