UL COTTONFLAT A

Oil · District 08 · Lease #55257

Operator: DIAMONDBACK E&P LLC

Cum Oil

289k BBL

Cum Gas

453k MCF

casinghead

Wells

1

Production

2020-05 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 288,547 BBL Cum Gas: 452,820 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,473 BBL/mo

Di (annual)

24.8%

b-factor

0.0

EUR

313,309 BBL

R-squared

0.409

type

exponential

Operator History (from monthly production reports)

2020-05 — 2026-07 DIAMONDBACK E&P LLC 75 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4101MSDIAMONDBACK E&P LLC113,0002020-02-10