BRIGGS RANCH D & E UNIT

Oil · District 01 · Lease #19192

Operator: VERDUN OIL EF II LLC

Cum Oil

155k BBL

Cum Gas

948k MCF

casinghead

Wells

2

Production

2013-06 — 2026-04

Peak Month

2013-12

Production History

Cum Oil: 154,956 BBL Cum Gas: 947,916 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,726 BBL/mo

Di (annual)

13.5%

b-factor

0.0

EUR

152,777 BBL

R-squared

0.488

type

exponential

Operator History (from monthly production reports)

2025-03 — 2026-07 VERDUN OIL EF II LLC 17 mo
2022-05 — 2025-02 EP ENERGY E&P COMPANY, LLC 34 mo
2018-05 — 2022-04 EP ENERGY E&P COMPANY, L.P. 48 mo
2013-06 — 2018-04 SANCHEZ OIL & GAS CORPORATION 59 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
E 8HVERDUN OIL EF II LLC19,7452012-02-18
D 6HVERDUN OIL EF II LLC19,6902012-01-25