STATE ARMSTRONG 9-4 A

Oil // district 10 // lease#56174

op: DIAMONDBACK E&P LLC

cum_oil

235k BBL

cum_gas

0 MCF

wells

1

production

2020-03 — 2026-03

peak_month

2020-06

-- production_history

cum_oil: 235,362 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

16,243 BBL/mo

Di (annual)

497.0%

b-factor

1.3

EUR

366,133 BBL

R-squared

0.799

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6BSDIAMONDBACK E&P LLC211,6322019-12-11
EOF // data source: Texas Railroad Commission // 2026