ULS 4-27

Oil · District 08 · Lease #41985

Operator: ZARVONA ENERGY LLC

Cum Oil

263k BBL

Cum Gas

397k MCF

casinghead

Wells

3

Production

2011-09 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 263,433 BBL Cum Gas: 397,449 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,259 BBL/mo

Di (annual)

18.9%

b-factor

0.2

EUR

254,904 BBL

R-squared

0.587

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, LLC111,5002011-11-01
1SABALO II OPERATING, LLC211,5002011-05-09