MILDRED

Oil · District 03 · Lease #15403

Operator: U. S. OPERATING, INC.

Cum Oil

30k BBL

Cum Gas

733k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2006-01

Production History

Cum Oil: 30,241 BBL Cum Gas: 733,033 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

318 BBL/mo

Di (annual)

17.7%

b-factor

0.0

EUR

21,543 BBL

R-squared

0.361

type

exponential

Operator History (from monthly production reports)

2025-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 12 mo
1993-01 — 2025-07 U. S. OPERATING, INC. 391 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAGNOLIA OIL & GAS OPERATING LLC39,0002005-11-04
1REMAGNOLIA OIL & GAS OPERATING LLC39,0002005-11-04