PRENTICE

Oil · District 8A · Lease #66328

Operator: VALLA ENERGY CORPORATION

Cum Oil

66k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2024-09

Peak Month

1993-01

Production History

Cum Oil: 66,336 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

767 BBL/mo

Di (annual)

12.8%

b-factor

0.0

EUR

71,739 BBL

R-squared

0.654

type

exponential

Operator History (from monthly production reports)

2015-01 — 2026-07 MAVERICK OPERATING, LLC 139 mo
2002-05 — 2014-12 KIMBROUGH ENGINEERING CO, LLC 152 mo
1999-07 — 2002-04 VALLA ENERGY CORPORATION 34 mo
1993-01 — 1999-06 JCR, JR - OPERATING, INC. 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1380MAVERICK OPERATING LLC17,0001989-01-12