JUNEK UNIT

Oil · District 03 · Lease #12939

Operator: WCS OIL & GAS CORPORATION

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

23k BBL

Cum Gas

254k MCF

casinghead

Wells

1

Production

1993-01 — 2026-02

Peak Month

1996-07

Production History

Cum Oil: 22,808 BBL Cum Gas: 253,951 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

496 BBL/mo

Di (annual)

123.5%

b-factor

0.3

EUR

6,799 BBL

R-squared

0.779

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 59 mo

2005-05 — 2021-08 WCS OIL & GAS CORPORATION 196 mo

2000-05 — 2005-04 WCS OIL AND GAS CORPORATION 60 mo

1999-04 — 2000-04 PETRA OLEUM CORP. 13 mo

1997-02 — 1999-03 COSTILLA ENERGY, INC. 26 mo

1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo

1995-02 — 1996-05 PARKER & PARSLEY PRODUCING L.P. 16 mo

1994-10 — 1995-01 PARKER & PARSLEY DEVELOPMENT L.P 4 mo

1994-04 — 1994-09 BRIDGE OIL COMPANY, L. P. 6 mo

1993-01 — 1994-03 SANTA FE ENERGY RESOURCES, INC. 15 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-051-30556	MAGNOLIA OIL & GAS OPERATING LLC	1	9,000	1980-01-04

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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