UNIVERSITY "D"

Oil // district 10 // lease#33256

op: WALSH & WATTS, INC.

fields: DUNE

cum_oil

78k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 78,061 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

725 BBL/mo

Di (annual)

50.7%

b-factor

1.6

EUR

87,113 BBL

R-squared

0.910

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TOPAT OIL CORPORATION13,4001993-08-03
107TOPAT OIL CORPORATION27,9001990-10-31
EOF // data source: Texas Railroad Commission // 2026