CHICON CREEK

Oil // district 1 // lease#15106

op: RIO-TEX, INC.

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2009-10 — 2018-10

peak_month

2009-10

-- production_history

cum_oil: 1,596 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

238 BBL/mo

Di (annual)

89.2%

b-factor

2.0

EUR

27,161 BBL

R-squared

0.569

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TXCO RESOURCES INC.310,0002009-10-19
EOF // data source: Texas Railroad Commission // 2026