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RICKER -24-"4"

Oil · District 7C · Lease #12169

Operator: UMC PETROLEUM CORPORATION

Fields: SPRABERRY (TREND AREA)

Cum Oil

19k BBL

Cum Gas

288k MCF

casinghead

Wells

1

Production

1993-01 — 2025-09

Peak Month

2001-07

Production History

Cum Oil: 19,305 BBL Cum Gas: 288,495 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

240 BBL/mo

Di (annual)

14.2%

b-factor

0.0

EUR

20,222 BBL

R-squared

0.375

type

exponential

Operator History (from monthly production reports)

2025-10 — 2026-07 DE CENTRAL OPERATING, LLC 10 mo
2010-04 — 2025-09 ATLAS OPERATING LLC 186 mo
2008-02 — 2010-03 PIONEER EXPLORATION, LLC 26 mo
2001-07 — 2008-01 PIONEER EXPLORATION, LTD. 79 mo
1997-04 — 2001-06 PIONEER EXPLORATION COMPANY 51 mo
1993-01 — 1997-03 UMC PETROLEUM CORPORATION 51 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-383-33431CITATION OIL & GAS CORP.18,5001985-04-23