UL 2539 E1

Oil · District 08 · Lease #55443

Operator: QEP ENERGY COMPANY

Cum Oil

232k BBL

Cum Gas

824k MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2021-07

Production History

Cum Oil: 232,196 BBL Cum Gas: 824,422 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,584 BBL/mo

Di (annual)

40.7%

b-factor

0.0

EUR

164,665 BBL

R-squared

0.425

type

exponential

Operator History (from monthly production reports)

2021-10 — 2026-07 DIAMONDBACK E&P LLC 58 mo
2020-03 — 2021-09 QEP ENERGY COMPANY 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
01MBDIAMONDBACK E&P LLC28,9902019-07-31