SANZENBACHER "F"

Oil // district 13 // lease#23845

op: WILLOWBEND INVESTMENTS, INC.

fields: LUTZ (STRAWN)

cum_oil

158k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2009-05

-- production_history

cum_oil: 157,568 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,656 BBL/mo

Di (annual)

17.7%

b-factor

0.0

EUR

111,886 BBL

R-squared

0.682

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8BURNS OPERATING LLC15,0002008-05-08
4BURNS PETROLEUM14,6191984-01-05
5BURNS PETROLEUM14,7501984-01-05
6BURNS PETROLEUM14,7171984-01-05
EOF // data source: Texas Railroad Commission // 2026