WILLIAMSON, CARL ESTATE

Oil // district 13 // lease#16790

op: SWANSON, TOM

cum_oil

235k BBL

cum_gas

0 MCF

wells

19

production

1993-01 — 2026-03

peak_month

2009-06

-- production_history

cum_oil: 235,447 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,535 BBL/mo

Di (annual)

26.5%

b-factor

1.2

EUR

209,372 BBL

R-squared

0.954

type

hyperbolic

-- wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27FELTY DRILLING CO. INC11,9002009-06-02
28FELTY DRILLING CO. INC11,9002009-06-02
26FELTY DRILLING CO. INC11,9002008-10-02
25FELTY DRILLING CO. INC11,9002008-04-15
23FELTY DRILLING CO. INC11,9502006-03-27
24FELTY DRILLING CO. INC11,9502006-03-27
22FELTY DRILLING CO. INC11,9502005-05-31
20FELTY DRILLING CO. INC11,9002004-06-30
21FELTY DRILLING CO. INC11,9002004-06-30
142-485-31148--------
1042-485-31444--------
1242-485-31894--------
1542-485-32379--------
1742-485-32404--------
1842-485-93902--------
342-485-31223--------
542-485-31183--------
742-485-31319--------
842-485-31318--------
EOF // data source: Texas Railroad Commission // 2026