JOHNSTON UNIT

Oil · District 03 · Lease #25583

Operator: MAGNOLIA OIL & GAS OPERATING LLC

Cum Oil

61k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2010-06 — 2026-03

Peak Month

2010-07

Production History

Cum Oil: 60,726 BBL Cum Gas: 1,182,123 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,649 BBL/mo

Di (annual)

74.2%

b-factor

0.4

EUR

70,305 BBL

R-squared

0.790

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2010-06 — 2018-07 ENERVEST OPERATING, L.L.C. 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MAGNOLIA OIL & GAS OPERATING LLC113,0002010-03-02