< leases

JOHNSON

Oil · District 03 · Lease #21828

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

129k BBL

Cum Gas

130k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 128,709 BBL Cum Gas: 129,613 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,430 BBL/mo

Di (annual)

591.7%

b-factor

1.0

EUR

109,267 BBL

R-squared

0.731

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2007-08 — 2018-07 ENERVEST OPERATING, L.L.C. 132 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
1993-01 — 1995-04 GEMINI EXPLORATION COMPANY 28 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-477-30979MAGNOLIA OIL & GAS OPERATING LLC113,0002010-03-02
142-287-32345MAGNOLIA OIL & GAS OPERATING LLC27,9911992-06-29