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RATLIFF

Oil · District 7C · Lease #9125

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

14k BBL

Cum Gas

15k MCF

casinghead

Wells

2

Production

1993-01 — 2003-11

Peak Month

1993-08

Production History

Cum Oil: 14,102 BBL Cum Gas: 14,773 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

296 BBL/mo

Di (annual)

23.7%

b-factor

0.0

EUR

14,881 BBL

R-squared

0.553

type

exponential

Operator History (from monthly production reports)

2007-07 — 2008-02 PIONEER NATURAL RES. USA, INC. 8 mo
2002-05 — 2007-06 MID-STATES OPERATING COMPANY 62 mo
2001-08 — 2002-04 BC OPERATING, INC. 9 mo
2000-01 — 2001-07 CROWNQUEST OPERATING, LLC 19 mo
1993-11 — 1999-12 BC OPERATING, INC. 74 mo
1993-01 — 1993-10 HALLWOOD ENERGY CORPORATION 10 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-461-31801PIONEER NATURAL RES. USA INC.28,5002002-09-24
242-461-31800PIONEER NATURAL RES. USA INC.18,5001981-07-31