SLAVIN 110

Oil · District 10 · Lease #8432

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

59k BBL

Cum Gas

314k MCF

casinghead

Wells

1

Production

2011-03 — 2026-04

Peak Month

2011-04

Production History

Cum Oil: 59,460 BBL Cum Gas: 314,409 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,975 BBL/mo

Di (annual)

131.3%

b-factor

0.5

EUR

52,798 BBL

R-squared

0.750

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
2HHIGHMARK ENERGY OPERATING, LLC29,0002010-11-15