CAMPBELL -A-

Oil · District 7B · Lease #28906

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

26k BBL

Cum Gas

66k MCF

casinghead

Wells

1

Production

2000-12 — 2026-02

Peak Month

2011-10

Production History

Cum Oil: 25,705 BBL Cum Gas: 66,342 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

281 BBL/mo

Di (annual)

13.6%

b-factor

0.0

EUR

24,786 BBL

R-squared

0.410

type

exponential

Operator History (from monthly production reports)

2000-12 — 2026-07 SOJOURNER DRILLING CORPORATION 308 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ASOJOURNER DRILLING CORPORATION25,5002000-09-22