JENSEN

Oil // district 3 // lease#16254

op: UNION PACIFIC AUSTIN CHALK CO.

cum_oil

192k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1996-10

-- production_history

cum_oil: 192,024 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,204 BBL/mo

Di (annual)

76.1%

b-factor

0.4

EUR

212,343 BBL

R-squared

0.714

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7WINDSOR ENERGY, INC.39,4001996-08-21
7REWINDSOR ENERGY, INC.39,4001996-08-21
8WINDSOR ENERGY, INC.29,2001983-07-26
6WINDSOR ENERGY, INC.18,5701982-12-27
EOF // data source: Texas Railroad Commission // 2026