HARPER-E- OIL UNIT

Oil · District 7C · Lease #18516

Operator: VITAL ENERGY, INC.

Cum Oil

23k BBL

Cum Gas

251k MCF

casinghead

Wells

1

Production

2013-10 — 2026-04

Peak Month

2013-12

Production History

Cum Oil: 23,481 BBL Cum Gas: 250,724 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,447 BBL/mo

Di (annual)

302.5%

b-factor

0.9

EUR

24,202 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-02 — 2025-12 VITAL ENERGY, INC. 35 mo
2013-10 — 2023-01 LAREDO PETROLEUM, INC. 112 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17HCRESCENT ENERGY OPERATING, LLC111,0002013-08-26