JASPER, W. S.

Oil · District 08 · Lease #11430

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

11k BBL

Cum Gas

51k MCF

casinghead

Wells

1

Production

1993-01 — 1999-08

Peak Month

1994-06

Production History

Cum Oil: 10,901 BBL Cum Gas: 51,192 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

276 BBL/mo

Di (annual)

598.7%

b-factor

0.0

EUR

564 BBL

R-squared

0.951

type

exponential

Operator History (from monthly production reports)

1998-01 — 2001-02 CONCHO RESOURCES INC. 38 mo
1997-02 — 1997-12 COSTILLA ENERGY, INC. 11 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
1 UCONCHO RESOURCES INC.111,9351999-06-14