PEYTON 111

Oil · District 10 · Lease #8400

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

50k BBL

Cum Gas

208k MCF

casinghead

Wells

1

Production

2011-03 — 2026-04

Peak Month

2011-04

Production History

Cum Oil: 50,189 BBL Cum Gas: 207,953 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,263 BBL/mo

Di (annual)

290.3%

b-factor

0.8

EUR

32,609 BBL

R-squared

0.645

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2011-03 — 2022-01 EOG RESOURCES, INC. 131 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHIGHMARK ENERGY OPERATING, LLC29,0002010-10-21