JORDAN

Oil // district 4 // lease#10489

op: ROYKO OIL COMPANY

cum_oil

28k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2013-10

-- production_history

cum_oil: 28,462 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

378 BBL/mo

Di (annual)

165.4%

b-factor

0.0

EUR

2,741 BBL

R-squared

0.822

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4RPETRO-LEWIS CORPORATION28,0001985-04-11
4RUPETRO-LEWIS CORPORATION28,0001985-04-11
EOF // data source: Texas Railroad Commission // 2026