ULS 4-33

Oil · District 08 · Lease #41791

Operator: ZARVONA ENERGY LLC

Cum Oil

98k BBL

Cum Gas

98k MCF

casinghead

Wells

3

Production

2011-09 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 98,199 BBL Cum Gas: 97,530 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,114 BBL/mo

Di (annual)

34.3%

b-factor

1.0

EUR

113,038 BBL

R-squared

0.578

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
2011-09 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 60 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SABALO II OPERATING, LLC111,5002012-01-18
2SABALO II OPERATING, LLC111,5002011-11-02
1SABALO II OPERATING, LLC211,5002010-07-29