STATE ARMSTRONG 9-4 D

Oil // district 10 // lease#60285

op: DIAMONDBACK E&P LLC

cum_oil

202k BBL

cum_gas

0 MCF

wells

1

production

2020-04 — 2026-03

peak_month

2020-11

-- production_history

cum_oil: 201,905 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

16,522 BBL/mo

Di (annual)

268.0%

b-factor

0.7

EUR

211,869 BBL

R-squared

0.953

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8BSDIAMONDBACK E&P LLC313,0002021-05-24
EOF // data source: Texas Railroad Commission // 2026