STECK UNIT NO. 1

Oil · District 03 · Lease #22811

Operator: MAGNOLIA OIL & GAS OPERATING LLC

Cum Oil

455k BBL

Cum Gas

1.8M MCF

casinghead

Wells

3

Production

1995-07 — 2026-04

Peak Month

1995-08

Production History

Cum Oil: 454,658 BBL Cum Gas: 1,828,283 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,123 BBL/mo

Di (annual)

106.5%

b-factor

1.3

EUR

446,267 BBL

R-squared

0.785

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2010-10 — 2018-07 ENERVEST OPERATING, L.L.C. 94 mo
2000-04 — 2010-09 EXXON MOBIL CORPORATION 126 mo
1995-07 — 2000-03 EXXON CORP. 57 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMAGNOLIA OIL & GAS OPERATING LLC111,5001995-04-07
1MAGNOLIA OIL & GAS OPERATING LLC18,3501980-12-05
2MAGNOLIA OIL & GAS OPERATING LLC18,3001980-10-20