SAMPSON-MUELLER A

Oil · District 03 · Lease #28033

Operator: MAGNOLIA OIL & GAS OPERATING LLC

Cum Oil

368k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2022-02 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 368,218 BBL Cum Gas: 1,460,257 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,509 BBL/mo

Di (annual)

247.1%

b-factor

0.7

EUR

407,918 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2025-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 12 mo
2022-02 — 2025-07 DALLAS PETROLEUM GROUP, LLC 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMAGNOLIA OIL & GAS OPERATING LLC210,8002021-11-05