< leases

UNIVERSITY "15" "B"

Oil · District 7C · Lease #12145

Operator: PRIZE OPERATING COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

3k BBL

Cum Gas

13k MCF

casinghead

Wells

1

Production

1993-01 — 1995-09

Peak Month

1993-06

Production History

Cum Oil: 2,781 BBL Cum Gas: 13,047 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

107 BBL/mo

Di (annual)

56.7%

b-factor

0.0

EUR

2,241 BBL

R-squared

0.397

type

exponential

Operator History (from monthly production reports)

2008-01 — 2013-10 PIONEER NATURAL RES. USA, INC. 70 mo
2006-05 — 2007-12 CIMAREX ENERGY CO. OF COLORADO 20 mo
2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo
1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-383-32505PARKER & PARSLEY DEVELOPMENT L.P28,1001983-04-08