PEARL WHEAT 'A' 765

Oil · District 10 · Lease #7737

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

78k BBL

Cum Gas

444k MCF

casinghead

Wells

2

Production

2007-01 — 2026-04

Peak Month

2007-05

Production History

Cum Oil: 78,179 BBL Cum Gas: 444,440 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

730 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

73,315 BBL

R-squared

0.508

type

exponential

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2007-01 — 2022-01 EOG RESOURCES, INC. 181 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGHMARK ENERGY OPERATING, LLC19,0002006-10-12
1HHIGHMARK ENERGY OPERATING, LLC19,0002006-10-12