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WELDER, J.F. UNIT

Oil · District 04 · Lease #12144

Operator: WAGNER OIL COMPANY

Fields: ODEM, S. (MASSIVE FRIO)

Cum Oil

142k BBL

Cum Gas

678k MCF

casinghead

Wells

5

Production

1993-02 — 2016-09

Peak Month

2001-05

Production History

Cum Oil: 142,222 BBL Cum Gas: 678,313 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,048 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

84,709 BBL

R-squared

0.494

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 84 ENERGY LLC 19 mo
2020-08 — 2024-12 GTG OPERATING, LLC 53 mo
2013-11 — 2020-07 WAGNER OIL COMPANY 81 mo
2013-07 — 2013-10 HK ENERGY OPERATING, LLC 4 mo
2005-03 — 2013-06 SOUTHERN BAY OPERATING, L.L.C. 100 mo
2003-09 — 2005-02 AROC (TEXAS) INC. 18 mo
1999-05 — 2003-08 ENERGEN RESOURCES CORPORATION 52 mo
1995-03 — 1999-04 SMITH PRODUCTION INC. 50 mo
1993-02 — 1995-02 TEXACO E & P INC. 25 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
C 4642-409-30431WAGNER OIL COMPANY15,5602005-12-09
C 15 H42-409-3006284 ENERGY LLC117,3502002-01-22
C 4342-409-30404SMITH PRODUCTION INC.27,6001996-01-26
C 3642-409-30393TEXACO INC.39,0001986-04-23
C 4442-409-30406WAGNER OIL COMPANY17,6001982-06-23