CASTON

Oil // district 5 // lease#3439

op: URSUS OIL AND GAS

cum_oil

32k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 32,087 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

300 BBL/mo

Di (annual)

11.3%

b-factor

0.0

EUR

31,906 BBL

R-squared

0.629

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TXO PRODUCTION CORP.411,3001998-05-26
1TXO PRODUCTION CORP.211,3001992-12-29
EOF // data source: Texas Railroad Commission // 2026