VASTAR-JOHNSON

Oil · District 03 · Lease #25680

Operator: DAVIS SOUTHERN OPERATING CO LLC

Cum Oil

322k BBL

Cum Gas

367k MCF

casinghead

Wells

1

Production

2006-12 — 2021-09

Peak Month

2007-06

Production History

Cum Oil: 322,417 BBL Cum Gas: 366,692 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,023 BBL/mo

Di (annual)

70.0%

b-factor

0.2

EUR

257,454 BBL

R-squared

0.871

type

hyperbolic

Operator History (from monthly production reports)

2018-11 — 2022-03 DAVIS SOUTHERN OPERATING CO LLC 41 mo
2006-12 — 2018-10 DAVIS BROS. OIL PRODUCERS, INC. 143 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DAVIS SOUTHERN OPERATING CO LLC79,4002021-12-22