ROGERS 320

Oil · District 10 · Lease #8871

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

113k BBL

Cum Gas

1.3M MCF

casinghead

Wells

2

Production

2013-04 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 112,691 BBL Cum Gas: 1,259,004 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,437 BBL/mo

Di (annual)

698.5%

b-factor

0.9

EUR

101,504 BBL

R-squared

0.939

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2013-04 — 2022-01 EOG RESOURCES, INC. 106 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HHIGHMARK ENERGY OPERATING, LLC19,0002013-02-22
3HHIGHMARK ENERGY OPERATING, LLC19,0002013-01-14