RUBY

Oil // district 9 // lease#18449

op: OPAL RESOURCES OPERATING CO.,LLC

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2013-12 — 2017-07

peak_month

2013-12

-- production_history

cum_oil: 1,897 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

596 BBL/mo

Di (annual)

460.5%

b-factor

0.0

EUR

1,570 BBL

R-squared

0.931

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2OPAL RESOURCES OPERATING CO.,LLC213,0002013-07-25
EOF // data source: Texas Railroad Commission // 2026