KING ERNEST -3-

Oil · District 8A · Lease #69415

Operator: ZONE RIDGE OPERATING, LLC

Cum Oil

64k BBL

Cum Gas

147k MCF

casinghead

Wells

1

Production

2007-04 — 2019-11

Peak Month

2007-09

Production History

Cum Oil: 63,899 BBL Cum Gas: 146,674 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,431 BBL/mo

Di (annual)

70.8%

b-factor

0.4

EUR

67,524 BBL

R-squared

0.844

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 ZONE RIDGE OPERATING, LLC 7 mo
2024-06 — 2025-12 HICKS EXPLORATION, LLC 19 mo
2020-01 — 2024-05 STRAWN PETROLEUM OPERATING, LLC 53 mo
2007-04 — 2019-12 KING OPERATING CORPORATION 153 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HZONE RIDGE OPERATING LLC29,0002007-01-04