EMERALD B

Oil // district 9 // lease#20143

op: PETX OPERATING LLC

cum_oil

16k BBL

cum_gas

0 MCF

wells

2

production

2018-04 — 2026-03

peak_month

2018-04

-- production_history

cum_oil: 16,101 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

381 BBL/mo

Di (annual)

23.2%

b-factor

0.0

EUR

19,673 BBL

R-squared

0.370

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4702OPAL RESOURCES OPERATING CO.,LLC213,0002014-03-03
4701OPAL RESOURCES OPERATING CO.,LLC113,0002013-02-05
EOF // data source: Texas Railroad Commission // 2026