OLD TOM UNIT B 21-28

Oil · District 08 · Lease #50765

Operator: SURGE OPERATING, LLC

Cum Oil

1.9M BBL

Cum Gas

4.5M MCF

casinghead

Wells

5

Production

2017-10 — 2026-03

Peak Month

2018-08

Production History

Cum Oil: 1,854,555 BBL Cum Gas: 4,549,290 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

117,578 BBL/mo

Di (annual)

217.1%

b-factor

0.7

EUR

1,831,418 BBL

R-squared

0.909

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — 2026-07 SURGE OPERATING, LLC 106 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8MHSURGE OPERATING, LLC210,0002018-08-13
5AHSURGE OPERATING, LLC210,0002018-03-28
6AHSURGE OPERATING, LLC210,0002018-02-20
7AHSURGE OPERATING, LLC210,0002017-10-18
8AHSURGE OPERATING, LLC210,0002017-04-18