OLDHAM TRUST WEST

Oil · District 08 · Lease #49790

Operator: SURGE OPERATING, LLC

Cum Oil

2.5M BBL

Cum Gas

5.1M MCF

casinghead

Wells

11

Production

2017-10 — 2026-03

Peak Month

2024-01

Production History

Cum Oil: 2,525,292 BBL Cum Gas: 5,136,196 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

103,758 BBL/mo

Di (annual)

165.3%

b-factor

0.6

EUR

1,746,616 BBL

R-squared

0.992

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 SURGE OPERATING, LLC 67 mo
2017-10 — 2020-12 GRENADIER ENERGY PARTNERS II,LLC 39 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5MHSURGE OPERATING, LLC18,5002023-06-22
4AHSURGE OPERATING, LLC18,5002023-06-02
4SHSURGE OPERATING, LLC18,5002023-06-02
5AHSURGE OPERATING, LLC18,5002023-06-02
5SHSURGE OPERATING, LLC28,5002023-06-02
6AHSURGE OPERATING, LLC28,5002023-06-02
2AHSURGE OPERATING, LLC29,2002022-04-28
1SHSURGE OPERATING, LLC19,2002022-04-26
3871WASURGE OPERATING, LLC115,0002018-01-30
4058LSSURGE OPERATING, LLC215,0002018-01-30
4051WASURGE OPERATING, LLC115,0002017-05-31