ROWLAND -K-"

Oil // district 10 // lease#35267

op: DREYFUS, LOUIS NATURAL GAS CORP

cum_oil

13k BBL

cum_gas

0 MCF

wells

2

production

1996-11 — 2009-02

peak_month

1999-03

-- production_history

cum_oil: 12,766 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

380 BBL/mo

Di (annual)

63.1%

b-factor

0.0

EUR

7,214 BBL

R-squared

0.850

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3404COSTILLA PETROLEUM CORPORATION19,0001996-10-01
4COSTILLA PETROLEUM CORPORATION19,0001996-10-01
EOF // data source: Texas Railroad Commission // 2026