PEN RANCH UNIT

Oil · District 01 · Lease #19839

Operator: ZARVONA ENERGY LLC

Cum Oil

1.5M BBL

Cum Gas

927k MCF

casinghead

Wells

7

Production

2019-04 — 2026-04

Peak Month

2019-11

Production History

Cum Oil: 1,480,204 BBL Cum Gas: 927,343 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,538 BBL/mo

Di (annual)

29.8%

b-factor

0.0

EUR

1,469,021 BBL

R-squared

0.548

type

exponential

Operator History (from monthly production reports)

2023-12 — 2026-07 ZARVONA ENERGY LLC 32 mo
2019-04 — 2023-11 EARTHSTONE OPERATING, LLC 56 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HZARVONA ENERGY LLC19,7002019-02-11
2HZARVONA ENERGY LLC19,7002019-02-11
3HZARVONA ENERGY LLC19,7002019-02-11
4HZARVONA ENERGY LLC19,7002019-02-11
5HZARVONA ENERGY LLC29,5912019-02-11
6HZARVONA ENERGY LLC29,5912019-02-11
7HZARVONA ENERGY LLC29,5482019-02-11