< leases

ERWIN UNIT

Oil · District 03 · Lease #15067

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

62k BBL

Cum Gas

81k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1995-06

Production History

Cum Oil: 62,088 BBL Cum Gas: 81,182 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,166 BBL/mo

Di (annual)

334.4%

b-factor

0.8

EUR

27,506 BBL

R-squared

0.340

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2005-07 — 2018-07 ENERVEST OPERATING, L.L.C. 157 mo
2002-12 — 2005-06 ANADARKO AUSTIN CHALK COMPANY 31 mo
2001-02 — 2002-11 RME AUSTIN CHALK COMPANY 22 mo
1995-05 — 2001-01 UNION PACIFIC AUSTIN CHALK CO. 69 mo
1993-08 — 1995-04 GEMINI EXPLORATION COMPANY 21 mo
1993-01 — 1993-07 REDWOOD ENERGY, INC. 7 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-287-31066MAGNOLIA OIL & GAS OPERATING LLC29,5001995-05-01