UL COTTONFLAT B

Oil · District 08 · Lease #55258

Operator: DIAMONDBACK E&P LLC

Cum Oil

242k BBL

Cum Gas

253k MCF

casinghead

Wells

1

Production

2020-04 — 2026-04

Peak Month

2021-02

Production History

Cum Oil: 241,996 BBL Cum Gas: 252,570 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,959 BBL/mo

Di (annual)

54.4%

b-factor

0.0

EUR

153,578 BBL

R-squared

0.375

type

exponential

Operator History (from monthly production reports)

2020-04 — 2026-07 DIAMONDBACK E&P LLC 76 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4101LSDIAMONDBACK E&P LLC113,0002020-02-06