ULS BC 4-10

Oil · District 08 · Lease #41650

Operator: ZARVONA ENERGY LLC

Cum Oil

39k BBL

Cum Gas

42k MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2011-07

Production History

Cum Oil: 39,151 BBL Cum Gas: 42,279 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,512 BBL/mo

Di (annual)

327.1%

b-factor

1.2

EUR

39,226 BBL

R-squared

0.766

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
2011-06 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 63 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SABALO II OPERATING, LLC311,5002010-07-29