HILLGER, BERTHA "A"

Oil // district 10 // lease#40393

op: RIO OIL AND GAS (PERMIAN) II,LLC

cum_oil

252k BBL

cum_gas

0 MCF

wells

1

production

2010-09 — 2020-05

peak_month

2015-03

-- production_history

cum_oil: 251,615 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,030 BBL/mo

Di (annual)

54.2%

b-factor

0.0

EUR

155,636 BBL

R-squared

0.817

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DYAD PETROLEUM COMPANY28,5002010-08-02
EOF // data source: Texas Railroad Commission // 2026