MATSCHEK UNIT

Oil · District 7C · Lease #15655

Operator: STAR PRODUCTION, INC.

Cum Oil

185k BBL

Cum Gas

236 MCF

casinghead

Wells

1

Production

2004-09 — 2026-04

Peak Month

2007-08

Production History

Cum Oil: 185,058 BBL Cum Gas: 236 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,778 BBL/mo

Di (annual)

67.8%

b-factor

0.6

EUR

106,907 BBL

R-squared

0.808

type

hyperbolic

Operator History (from monthly production reports)

2004-09 — 2026-07 STAR PRODUCTION, INC. 263 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1STAR PRODUCTION, INC.15,5002004-06-08