< leases

COFFIELD-OSAGE

Oil · District 03 · Lease #17867

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

189k BBL

Cum Gas

867k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2003-01

Production History

Cum Oil: 189,422 BBL Cum Gas: 867,300 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,615 BBL/mo

Di (annual)

48.2%

b-factor

0.3

EUR

162,891 BBL

R-squared

0.494

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
1993-12 — 1995-04 GEMINI EXPLORATION COMPANY 17 mo
1993-01 — 1993-11 RIM OPERATING, INC. 11 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-287-31471MAGNOLIA OIL & GAS OPERATING LLC410,0002002-02-28
1RE42-287-31471MAGNOLIA OIL & GAS OPERATING LLC410,0002002-02-28
242-287-31564MAGNOLIA OIL & GAS OPERATING LLC210,0002001-08-07
2RE42-287-31564MAGNOLIA OIL & GAS OPERATING LLC210,0002001-08-07
342-287-31312MAGNOLIA OIL & GAS OPERATING LLC110,0001982-11-08