BIRD

Oil · District 03 · Lease #13000

Operator: ZARVONA ENERGY LLC

Cum Oil

99k BBL

Cum Gas

1.5M MCF

casinghead

Wells

2

Production

1993-01 — 2019-06

Peak Month

1995-01

Production History

Cum Oil: 99,306 BBL Cum Gas: 1,523,870 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,093 BBL/mo

Di (annual)

21.0%

b-factor

0.1

EUR

69,250 BBL

R-squared

0.724

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PROLINE ENERGY RESOURCES INC110,5001991-06-21
1PROLINE ENERGY RESOURCES INC28,5501980-04-24