< leases

LEHMANN, IRA

Oil · District 03 · Lease #22317

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

428k BBL

Cum Gas

1.5M MCF

casinghead

Wells

2

Production

1994-01 — 2026-04

Peak Month

1994-02

Production History

Cum Oil: 428,031 BBL Cum Gas: 1,518,725 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,712 BBL/mo

Di (annual)

40.3%

b-factor

0.5

EUR

472,252 BBL

R-squared

0.429

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
1994-01 — 1995-04 GEMINI EXPLORATION COMPANY 16 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-287-30975MAGNOLIA OIL & GAS OPERATING LLC310,1002002-04-05
2RE42-287-30975MAGNOLIA OIL & GAS OPERATING LLC310,1002002-04-05