JOYCE

Oil // district 3 // lease#22652

op: UNION PACIFIC AUSTIN CHALK CO.

cum_oil

173k BBL

cum_gas

0 MCF

wells

1

production

1995-02 — 2026-03

peak_month

1995-02

-- production_history

cum_oil: 173,106 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,949 BBL/mo

Di (annual)

38.7%

b-factor

0.2

EUR

191,264 BBL

R-squared

0.640

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WCS OIL AND GAS CORPORATION310,0001994-12-19
EOF // data source: Texas Railroad Commission // 2026