< leases

PROSKE, G. P.

Oil · District 03 · Lease #11590

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

132k BBL

Cum Gas

830k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2006-08

Production History

Cum Oil: 131,834 BBL Cum Gas: 829,597 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,785 BBL/mo

Di (annual)

955.3%

b-factor

1.5

EUR

55,820 BBL

R-squared

0.335

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2007-09 — 2018-07 ENERVEST OPERATING, L.L.C. 131 mo
2006-03 — 2007-08 ANADARKO E&P COMPANY LP 18 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
1993-08 — 1995-04 GEMINI EXPLORATION COMPANY 21 mo
1993-01 — 1993-07 REDWOOD ENERGY, INC. 7 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-287-31863MAGNOLIA OIL & GAS OPERATING LLC39,2002006-04-21
3RE42-287-31863MAGNOLIA OIL & GAS OPERATING LLC39,2002006-04-21
142-287-30089MAGNOLIA OIL & GAS OPERATING LLC18,0611977-09-12