BURRUS 187

Oil · District 10 · Lease #8478

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

48k BBL

Cum Gas

250k MCF

casinghead

Wells

1

Production

2011-08 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 48,394 BBL Cum Gas: 250,122 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,676 BBL/mo

Di (annual)

169.3%

b-factor

0.6

EUR

44,037 BBL

R-squared

0.906

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2011-08 — 2022-01 EOG RESOURCES, INC. 126 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VHHIGHMARK ENERGY OPERATING, LLC19,0002011-05-19