SLASH -Y-

Oil · District 08 · Lease #31844

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

4k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1993-01 — 1996-07

Peak Month

1993-04

Production History

Cum Oil: 4,485 BBL Cum Gas: 7,092 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

160 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

10,481 BBL

R-squared

0.690

type

exponential

Operator History (from monthly production reports)

1998-03 — 1998-09 20TH CENTURY PIPE & EQUIP.CO.INC 7 mo
1997-02 — 1998-02 COSTILLA ENERGY, INC. 13 mo
1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo
1995-03 — 1996-05 PARKER & PARSLEY DEVELOPMENT L.P 15 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COSTILLA PETROLEUM CORPORATION26,6001988-07-26