ECKERT -444-

Oil · District 7C · Lease #11320

Operator: PRIZE OPERATING COMPANY

Cum Oil

3k BBL

Cum Gas

110k MCF

casinghead

Wells

4

Production

1993-01 — 1999-06

Peak Month

1994-05

Production History

Cum Oil: 3,458 BBL Cum Gas: 110,411 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

76.2%

b-factor

0.0

EUR

1,614 BBL

R-squared

0.605

type

exponential

Operator History (from monthly production reports)

1999-07 — 2002-02 PRIZE OPERATING COMPANY 32 mo
1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4INDIAN WELLS OIL COMPANY18,2001984-10-04
3INDIAN WELLS OIL COMPANY18,2001984-09-04
2INDIAN WELLS OIL COMPANY18,2001984-08-14
1INDIAN WELLS OIL COMPANY18,2001984-07-27