MCKINNEY UNIT

Oil · District 03 · Lease #20972

Operator: ZARVONA ENERGY LLC

Cum Oil

69k BBL

Cum Gas

951k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 69,358 BBL Cum Gas: 950,937 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

570 BBL/mo

Di (annual)

50.6%

b-factor

1.0

EUR

44,196 BBL

R-squared

0.365

type

hyperbolic

Operator History (from monthly production reports)

2017-11 — 2026-07 PROLINE ENERGY RESOURCES INC 105 mo
2014-01 — 2017-10 ZARVONA ENERGY LLC 46 mo
2012-07 — 2013-12 LLEWELLIN OPERATING COMPANY, LLC 18 mo
1993-01 — 2012-06 COX & PERKINS EXPLORATION, INC. 234 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PROLINE ENERGY RESOURCES INC211,6001990-07-06