HOELSCHER

Oil // district 10 // lease#30708

op: COSTILLA PETROLEUM CORPORATION

cum_oil

2k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 1998-03

peak_month

1994-03

-- production_history

cum_oil: 1,707 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

155 BBL/mo

Di (annual)

385.0%

b-factor

0.3

EUR

676 BBL

R-squared

0.327

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GWR OPERATING CO.111,0501986-02-25
1 CGWR OPERATING CO.111,0501986-02-25
EOF // multi-state drilling data platform // 2026