RIO 27-15 I

Oil · District 08 · Lease #62040

Operator: DIAMONDBACK E&P LLC

Cum Oil

355k BBL

Cum Gas

794k MCF

casinghead

Wells

1

Production

2024-05 — 2026-04

Peak Month

2025-05

Production History

Cum Oil: 355,077 BBL Cum Gas: 794,133 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39,340 BBL/mo

Di (annual)

164.5%

b-factor

0.2

EUR

359,051 BBL

R-squared

0.875

type

hyperbolic

Operator History (from monthly production reports)

2024-05 — 2026-07 DIAMONDBACK E&P LLC 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9LSDIAMONDBACK E&P LLC210,2502022-08-30