OPEN RANGE 28-29 B

Oil · District 08 · Lease #59459

Operator: DIAMONDBACK E&P LLC

Cum Oil

787k BBL

Cum Gas

1.8M MCF

casinghead

Wells

2

Production

2023-06 — 2026-04

Peak Month

2023-12

Production History

Cum Oil: 787,465 BBL Cum Gas: 1,754,697 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

80,143 BBL/mo

Di (annual)

211.9%

b-factor

0.5

EUR

892,246 BBL

R-squared

0.992

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 DIAMONDBACK E&P LLC 38 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11WADIAMONDBACK E&P LLC19,6002023-03-16
2JMDIAMONDBACK E&P LLC19,6002023-03-16