UL 1933 E13

Oil · District 08 · Lease #55778

Operator: QEP ENERGY COMPANY

Cum Oil

538k BBL

Cum Gas

934k MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 538,108 BBL Cum Gas: 934,243 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

51,128 BBL/mo

Di (annual)

247.6%

b-factor

0.6

EUR

585,565 BBL

R-squared

0.913

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 DIAMONDBACK E&P LLC 58 mo
2021-01 — 2021-09 QEP ENERGY COMPANY 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
07DNDIAMONDBACK E&P LLC19,9502020-09-03