UL 2539 E13

Oil · District 08 · Lease #55350

Operator: QEP ENERGY COMPANY

Cum Oil

258k BBL

Cum Gas

957k MCF

casinghead

Wells

1

Production

2020-08 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 257,761 BBL Cum Gas: 956,509 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,309 BBL/mo

Di (annual)

345.2%

b-factor

0.6

EUR

252,240 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 DIAMONDBACK E&P LLC 58 mo
2020-08 — 2021-09 QEP ENERGY COMPANY 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
07MBDIAMONDBACK E&P LLC28,9902019-08-23