WHIRLAWAY 101-99 D

Oil · District 08 · Lease #61639

Operator: DIAMONDBACK E&P LLC

Cum Oil

149k BBL

Cum Gas

284k MCF

casinghead

Wells

1

Production

2024-04 — 2026-04

Peak Month

2025-08

Production History

Cum Oil: 148,862 BBL Cum Gas: 284,119 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,041 BBL/mo

Di (annual)

554.5%

b-factor

1.7

EUR

828,770 BBL

R-squared

0.967

type

hyperbolic

Operator History (from monthly production reports)

2024-04 — 2026-07 DIAMONDBACK E&P LLC 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TSDIAMONDBACK E&P LLC111,1302024-01-09