ULS BB 4-10

Oil · District 08 · Lease #40556

Operator: ZARVONA ENERGY LLC

Cum Oil

28k BBL

Cum Gas

34k MCF

casinghead

Wells

1

Production

2010-07 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 28,196 BBL Cum Gas: 33,701 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

706 BBL/mo

Di (annual)

255.7%

b-factor

1.6

EUR

35,157 BBL

R-squared

0.625

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 SABALO II OPERATING, LLC 10 mo
2017-02 — 2025-09 ZARVONA ENERGY LLC 104 mo
2016-09 — 2017-01 PIONEER NATURAL RES. USA, INC. 5 mo
2010-07 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 74 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SABALO II OPERATING, LLC211,4002010-03-31