CHALLENGER 228-512 UNIT

Oil · District 08 · Lease #53487

Operator: DIAMONDBACK E&P LLC

Cum Oil

138k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 137,554 BBL Cum Gas: 1,628,901 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,257 BBL/mo

Di (annual)

612.1%

b-factor

1.1

EUR

140,712 BBL

R-squared

0.860

type

hyperbolic

Operator History (from monthly production reports)

2019-08 — 2026-07 DIAMONDBACK E&P LLC 84 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WADIAMONDBACK E&P LLC29,8002019-03-01