EDWARDS "22"

Oil // district 10 // lease#35206

op: COSTILLA ENERGY, INC.

cum_oil

15k BBL

cum_gas

0 MCF

wells

1

production

1996-12 — 2000-02

peak_month

1997-01

-- production_history

cum_oil: 15,398 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,635 BBL/mo

Di (annual)

533.6%

b-factor

0.7

EUR

17,754 BBL

R-squared

0.977

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COSTILLA PETROLEUM CORPORATION110,5001996-10-02
EOF // data source: Texas Railroad Commission // 2026