< leases

TXL -B-

Oil · District 08 · Lease #26666

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

19k BBL

Cum Gas

187k MCF

casinghead

Wells

1

Production

1993-01 — 2003-11

Peak Month

1993-01

Production History

Cum Oil: 19,076 BBL Cum Gas: 187,472 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

301 BBL/mo

Di (annual)

32.6%

b-factor

0.0

EUR

11,049 BBL

R-squared

0.619

type

exponential

Operator History (from monthly production reports)

2003-12 — 2004-06 MOMENTUM ENERGY CORPORATION 7 mo
2002-09 — 2003-11 MOMENTUM ENERGY, LLC 15 mo
2000-12 — 2002-08 PARKER & PARSLEY ACQ. GROUP LLC 21 mo
2000-02 — 2000-11 PARKER & PARSLEY OPERATING LLC 10 mo
1999-02 — 2000-01 OGA OPERATING L.L.C. 12 mo
1997-09 — 1999-01 PIONEER NATURAL RES. USA, INC. 17 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
142-329-30997MOMENTUM ENERGY, LLC29,6001981-07-29