MANN, OSCAR

Oil · District 03 · Lease #22530

Operator: WINDWARD PETRO LLC

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

256k BBL

Cum Gas

576k MCF

casinghead

Wells

1

Production

1994-08 — 2011-08

Peak Month

1994-10

Production History

Cum Oil: 255,752 BBL Cum Gas: 576,287 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,111 BBL/mo

Di (annual)

113.3%

b-factor

0.4

EUR

194,589 BBL

R-squared

0.595

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2025-04 MAGNOLIA OIL & GAS OPERATING LLC 4 mo

2023-03 — 2024-12 MERICA OIL OPERATING COMPANY LLC 22 mo

2016-12 — 2023-02 CREATIVE OIL & GAS OPERATING,LLC 75 mo

2011-07 — 2016-11 IMPETRO OPERATING LLC 65 mo

2010-10 — 2011-06 WINDWARD PETRO LLC 9 mo

2007-08 — 2010-09 ENERVEST OPERATING, L.L.C. 38 mo

2006-03 — 2007-07 ANADARKO E&P COMPANY LP 17 mo

2002-12 — 2006-02 ANADARKO AUSTIN CHALK COMPANY 39 mo

2001-02 — 2002-11 RME AUSTIN CHALK COMPANY 22 mo

1995-05 — 2001-01 UNION PACIFIC AUSTIN CHALK CO. 69 mo

1994-08 — 1995-04 GEMINI EXPLORATION COMPANY 9 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-287-31251	IMPETRO OPERATING LLC	3	11,000	1994-07-18

MANN, OSCAR

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