NEFF WEST A 9-4

Oil · District 7C · Lease #22822

Operator: DIAMONDBACK E&P LLC

Cum Oil

369k BBL

Cum Gas

862k MCF

casinghead

Wells

2

Production

2024-10 — 2026-04

Peak Month

2025-03

Production History

Cum Oil: 369,247 BBL Cum Gas: 862,229 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42,444 BBL/mo

Di (annual)

122.9%

b-factor

0.0

EUR

414,895 BBL

R-squared

0.874

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2024-10 — 2025-04 DE IV OPERATING, LLC 7 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4201HDIAMONDBACK E&P LLC210,5552024-01-08
4401HDIAMONDBACK E&P LLC210,5552024-01-08