GARY "36"

Oil // district 10 // lease#35200

op: COSTILLA ENERGY, INC.

cum_oil

9k BBL

cum_gas

0 MCF

wells

1

production

1996-11 — 1999-06

peak_month

1996-12

-- production_history

cum_oil: 8,677 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,192 BBL/mo

Di (annual)

933.8%

b-factor

1.3

EUR

17,379 BBL

R-squared

0.871

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COSTILLA PETROLEUM CORPORATION110,5001996-09-18
EOF // data source: Texas Railroad Commission // 2026