SIBLEY 3-2

Oil // district 10 // lease#48230

op: DIAMONDBACK E&P LLC

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

3

production

2016-03 — 2026-03

peak_month

2017-10

-- production_history

cum_oil: 1,171,112 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

18,313 BBL/mo

Di (annual)

21.4%

b-factor

0.0

EUR

1,029,015 BBL

R-squared

0.532

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WADIAMONDBACK E&P LLC111,4802017-04-20
3WADIAMONDBACK E&P LLC111,4802017-04-17
1HBRIGHAM RESOURCES OPERATING, LLC318,0002015-11-20
EOF // data source: Texas Railroad Commission // 2026