EDWARDS 14 "D"

Oil · District 08 · Lease #35416

Operator: COSTILLA ENERGY, INC.

Cum Oil

8k BBL

Cum Gas

49k MCF

casinghead

Wells

1

Production

1997-06 — 2001-02

Peak Month

1997-07

Production History

Cum Oil: 7,894 BBL Cum Gas: 48,995 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,431 BBL/mo

Di (annual)

157.4%

b-factor

0.0

EUR

18,558 BBL

R-squared

0.767

type

exponential

Operator History (from monthly production reports)

1998-12 — 2001-04 CONCHO RESOURCES INC. 29 mo
1997-06 — 1998-11 COSTILLA ENERGY, INC. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SLANT OPERATING, LLC510,5002025-06-16