HOELSCHER

Oil · District 08 · Lease #30708

Operator: COSTILLA PETROLEUM CORPORATION

Cum Oil

2k BBL

Cum Gas

40k MCF

casinghead

Wells

2

Production

1993-01 — 1996-10

Peak Month

1995-07

Production History

Cum Oil: 1,707 BBL Cum Gas: 40,079 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

155 BBL/mo

Di (annual)

385.0%

b-factor

0.3

EUR

676 BBL

R-squared

0.327

type

hyperbolic

Operator History (from monthly production reports)

1997-02 — 1998-03 COSTILLA ENERGY, INC. 14 mo
1993-01 — 1997-01 COSTILLA PETROLEUM CORPORATION 49 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COSTILLA ENERGY INC.111,0501986-02-25
1 CCOSTILLA ENERGY INC.111,0501986-02-25