WRISTEN BROS.

Oil // district 10 // lease#20606

op: WALSH & WATTS, INC.

cum_oil

97k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2015-09

peak_month

1993-05

-- production_history

cum_oil: 96,954 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

780 BBL/mo

Di (annual)

25.9%

b-factor

1.5

EUR

125,140 BBL

R-squared

0.552

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
87WALSH & WATTS, INC.14,2002014-03-12
100GULF OIL CORP.14,5001985-03-28
8642-475-10887--------
EOF // data source: Texas Railroad Commission // 2026