PRELLOP

Oil // district 3 // lease#13496

op: UNION PACIFIC AUSTIN CHALK CO.

cum_oil

121k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2000-01

-- production_history

cum_oil: 120,886 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,338 BBL/mo

Di (annual)

375.3%

b-factor

1.0

EUR

123,123 BBL

R-squared

0.734

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3UNION PACIFIC RESOURCES COMPANY312,0001999-11-12
3REUNION PACIFIC RESOURCES COMPANY312,0001999-11-12
EOF // data source: Texas Railroad Commission // 2026