DARK, ANNIE BELL

Oil // district 6 // lease#11202

op: WAGNER, DUER & CO.

fields: HOLLEYTREE

cum_oil

19k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-04

-- production_history

cum_oil: 19,251 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

123 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

20,721 BBL

R-squared

0.399

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BASIN OPERATING CO. LTD.110,7001983-05-02
EOF // data source: Texas Railroad Commission // 2026