COOKE, C. N. UNIT

Oil // district 4 // lease#13400

op: TXCO RESOURCES INC.

cum_oil

1k BBL

cum_gas

0 MCF

wells

1

production

2006-11 — 2026-03

peak_month

2006-12

-- production_history

cum_oil: 1,031 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

322 BBL/mo

Di (annual)

839.1%

b-factor

0.1

EUR

529 BBL

R-squared

0.856

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7TERRA RESOURCES, INC.49,1002006-11-07
EOF // data source: Texas Railroad Commission // 2026