EMERALD A

Oil // district 9 // lease#18255

op: PETX OPERATING LLC

cum_oil

110k BBL

cum_gas

0 MCF

wells

5

production

2013-05 — 2026-03

peak_month

2014-03

-- production_history

cum_oil: 110,431 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,712 BBL/mo

Di (annual)

29.6%

b-factor

0.0

EUR

69,417 BBL

R-squared

0.397

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4303OPAL RESOURCES OPERATING CO.,LLC213,0002014-05-06
4702OPAL RESOURCES OPERATING CO.,LLC213,0002014-03-03
4902OPAL RESOURCES OPERATING CO.,LLC213,0002013-10-21
4701OPAL RESOURCES OPERATING CO.,LLC113,0002013-02-05
4301OPAL RESOURCES OPERATING CO.,LLC113,0002012-03-17
EOF // data source: Texas Railroad Commission // 2026