FETTE -C-

Oil // district 13 // lease#16010

op: WFW PRODUCTION COMPANY, INC.

fields: GATEWOOD

cum_oil

698k BBL

cum_gas

0 MCF

wells

28

production

1993-01 — 2026-03

peak_month

2010-10

-- production_history

cum_oil: 698,281 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,464 BBL/mo

Di (annual)

18.5%

b-factor

2.0

EUR

545,773 BBL

R-squared

0.755

type

hyperbolic

-- wells (28)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28BIFFLE, JIMMY JACK11,9992011-05-26
29BIFFLE, JIMMY JACK11,9992011-05-26
26BIFFLE, JIMMY JACK11,9992008-11-07
27BIFFLE, JIMMY JACK11,9992008-11-07
25BIFFLE, JIMMY JACK11,9992007-12-06
15BIFFLE, JIMMY JACK11,6842003-01-17
23BIFFLE, JIMMY JACK21,9992000-01-19
24BIFFLE, JIMMY JACK21,9992000-01-19
21BIFFLE, JIMMY JACK31,9991985-12-12
22BIFFLE, JIMMY JACK31,9991985-12-12
17BIFFLE, JIMMY JACK21,9991985-12-11
142-097-30025--------
1042-097-30258--------
1142-097-30287--------
1242-097-30404--------
1342-097-30555--------
1442-097-30556--------
1842-097-30680--------
1942-097-30806--------
242-097-30035--------
2042-097-30815--------
342-097-30033--------
442-097-30052--------
542-097-30055--------
642-097-30056--------
742-097-30093--------
842-097-30198--------
942-097-30200--------
EOF // data source: Texas Railroad Commission // 2026