UL ANTHEM MAY 13-12 A

Oil · District 08 · Lease #55841

Operator: DIAMONDBACK E&P LLC

Cum Oil

226k BBL

Cum Gas

458k MCF

casinghead

Wells

1

Production

2021-02 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 226,174 BBL Cum Gas: 457,828 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,474 BBL/mo

Di (annual)

89.6%

b-factor

1.4

EUR

646,155 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 DIAMONDBACK E&P LLC 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HDIAMONDBACK E&P LLC213,0002020-06-01