CUMBERLAND WEST B

Oil · District 08 · Lease #55323

Operator: DIAMONDBACK E&P LLC

Cum Oil

1.6M BBL

Cum Gas

4.9M MCF

casinghead

Wells

4

Production

2020-03 — 2026-04

Peak Month

2020-07

Production History

Cum Oil: 1,576,372 BBL Cum Gas: 4,919,276 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

43,071 BBL/mo

Di (annual)

44.5%

b-factor

0.0

EUR

1,162,855 BBL

R-squared

0.487

type

exponential

Operator History (from monthly production reports)

2020-03 — 2026-07 DIAMONDBACK E&P LLC 77 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3402LSDIAMONDBACK E&P LLC313,0002019-08-02
3402MSDIAMONDBACK E&P LLC313,0002019-08-02
3402WADIAMONDBACK E&P LLC313,0002019-08-02
3402WBDIAMONDBACK E&P LLC313,0002019-08-02