LANDERS 522

Oil · District 10 · Lease #7526

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

16k BBL

Cum Gas

428k MCF

casinghead

Wells

1

Production

2004-07 — 2026-04

Peak Month

2004-07

Production History

Cum Oil: 16,389 BBL Cum Gas: 428,429 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

474 BBL/mo

Di (annual)

97.8%

b-factor

0.7

EUR

15,168 BBL

R-squared

0.516

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2004-07 — 2022-01 EOG RESOURCES, INC. 211 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGHMARK ENERGY OPERATING, LLC18,0002004-03-17