EDWARDS 14 -B-

Oil · District 08 · Lease #35347

Operator: COSTILLA ENERGY, INC.

Cum Oil

9k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

1997-05 — 2000-03

Peak Month

1997-12

Production History

Cum Oil: 8,897 BBL Cum Gas: 6,344 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

977 BBL/mo

Di (annual)

171.2%

b-factor

0.2

EUR

8,537 BBL

R-squared

0.752

type

hyperbolic

Operator History (from monthly production reports)

1998-12 — 2000-06 CONCHO RESOURCES INC. 19 mo
1997-05 — 1998-11 COSTILLA ENERGY, INC. 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CONCHO RESOURCES INC.110,5001997-02-07