ROMAN 20

Oil // district 10 // lease#42819

op: DIAMONDBACK E&P LLC

cum_oil

163k BBL

cum_gas

0 MCF

wells

4

production

2011-12 — 2026-03

peak_month

2013-10

-- production_history

cum_oil: 163,041 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,482 BBL/mo

Di (annual)

269.5%

b-factor

1.5

EUR

151,334 BBL

R-squared

0.508

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4COBRA OIL & GAS CORPORATION112,0002013-06-28
3COBRA OIL & GAS CORPORATION112,0002012-06-18
2COBRA OIL & GAS CORPORATION112,0002012-03-02
1COBRA OIL & GAS CORPORATION112,0002011-10-20
EOF // data source: Texas Railroad Commission // 2026