`EARL WHEAT 765

Oil · District 10 · Lease #7677

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

67k BBL

Cum Gas

275k MCF

casinghead

Wells

1

Production

2006-08 — 2017-11

Peak Month

2006-09

Production History

Cum Oil: 66,777 BBL Cum Gas: 274,934 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,158 BBL/mo

Di (annual)

99.6%

b-factor

0.5

EUR

73,198 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2006-08 — 2022-01 EOG RESOURCES, INC. 186 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HHIGHMARK ENERGY OPERATING, LLC19,0002006-06-26