BARBEE SECTION 180

Oil · District 7B · Lease #27088

Operator: YOUNG, MARSHALL R., OIL CO.

Cum Oil

171k BBL

Cum Gas

88k MCF

casinghead

Wells

1

Production

1994-01 — 2026-04

Peak Month

1995-04

Production History

Cum Oil: 171,345 BBL Cum Gas: 87,699 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,288 BBL/mo

Di (annual)

25.0%

b-factor

1.0

EUR

161,100 BBL

R-squared

0.622

type

hyperbolic

Operator History (from monthly production reports)

1998-12 — 2026-07 SOJOURNER DRILLING CORPORATION 332 mo
1994-01 — 1998-11 YOUNG, MARSHALL R., OIL CO. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION25,9001993-11-23