PATTERSON G

Oil // district 3 // lease#23164

op: XTO ENERGY INC.

cum_oil

163k BBL

cum_gas

0 MCF

wells

1

production

1997-01 — 2012-07

peak_month

1997-02

-- production_history

cum_oil: 162,729 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,015 BBL/mo

Di (annual)

103.1%

b-factor

0.7

EUR

183,770 BBL

R-squared

0.752

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCOSTILLA PETROLEUM CORPORATION18,0001996-11-12
EOF // data source: Texas Railroad Commission // 2026