ROCK RIVER STATE 30

Oil // district 10 // lease#49067

op: DIAMONDBACK E&P LLC

cum_oil

355k BBL

cum_gas

0 MCF

wells

1

production

2017-01 — 2026-03

peak_month

2017-02

-- production_history

cum_oil: 354,816 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

27,904 BBL/mo

Di (annual)

191.2%

b-factor

0.6

EUR

408,999 BBL

R-squared

0.898

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HBRIGHAM RESOURCES OPERATING, LLC121,0002016-09-23
EOF // data source: Texas Railroad Commission // 2026