CEDERHOLM

Oil · District 7C · Lease #13755

Operator: RETRIEVER OPERATING LLC

Fields: BALLINGER, WEST (CAPPS)

Cum Oil

58k BBL

Cum Gas

72k MCF

casinghead

Wells

1

Production

1994-11 — 2013-03

Peak Month

1995-03

Production History

Cum Oil: 58,018 BBL Cum Gas: 72,063 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,943 BBL/mo

Di (annual)

90.3%

b-factor

0.4

EUR

42,538 BBL

R-squared

0.819

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 RETRIEVER OPERATING LLC 10 mo

2017-05 — 2025-09 BRIGHTRIVER ENERGY CO 101 mo

2014-10 — 2017-04 CLEAR BROOKE RANCHES, LLC 31 mo

2014-02 — 2014-09 HILLCREST PETROLEUM, LLC 8 mo

2011-07 — 2014-01 EOR OPERATING COMPANY 31 mo

2010-09 — 2011-06 BUSTAMANTE OIL COMPANY 10 mo

2009-12 — 2010-08 PANAMERICAN OPERATING INC 9 mo

2007-05 — 2009-11 BUSTAMANTE OIL COMPANY 31 mo

2005-09 — 2007-04 HUGHES, BOB OIL COMPANY 20 mo

1994-11 — 2005-08 PIONEER ENERGY CORPORATION 130 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-399-34256	BRIGHTRIVER ENERGY CO	6	4,900	2019-04-22

CEDERHOLM

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (1)

Production History