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DELLA

Oil · District 03 · Lease #16158

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

113k BBL

Cum Gas

1.9M MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2006-09

Production History

Cum Oil: 113,293 BBL Cum Gas: 1,900,941 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,173 BBL/mo

Di (annual)

36.0%

b-factor

0.6

EUR

78,900 BBL

R-squared

0.336

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
1994-09 — 1995-04 GEMINI EXPLORATION COMPANY 8 mo
1993-01 — 1994-08 CIRRUS PRODUCTION COMPANY 20 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-287-31285MAGNOLIA OIL & GAS OPERATING LLC59,0002006-06-21
1RE42-287-31285MAGNOLIA OIL & GAS OPERATING LLC59,0002006-06-21