ERIN

Oil · District 03 · Lease #15586

Operator: U. S. OPERATING, INC.

Cum Oil

125k BBL

Cum Gas

911k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1999-01

Production History

Cum Oil: 125,086 BBL Cum Gas: 910,767 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,615 BBL/mo

Di (annual)

102.4%

b-factor

0.8

EUR

57,458 BBL

R-squared

0.388

type

hyperbolic

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MAGNOLIA OIL & GAS OPERATING LLC28,9001996-08-21
2REMAGNOLIA OIL & GAS OPERATING LLC28,9001996-08-21
1MAGNOLIA OIL & GAS OPERATING LLC19,1001982-02-23