CURTIS "I"

Oil · District 08 · Lease #33031

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

98k BBL

Cum Gas

186k MCF

casinghead

Wells

4

Production

1993-01 — 2014-10

Peak Month

2011-05

Production History

Cum Oil: 97,711 BBL Cum Gas: 185,559 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,111 BBL/mo

Di (annual)

64.6%

b-factor

0.2

EUR

48,934 BBL

R-squared

0.913

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2015-01 PIONEER NATURAL RES. USA, INC. 209 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
4PIONEER NATURAL RES. USA, INC.211,5342010-08-19
3PIONEER NATURAL RES. USA, INC.111,5002009-09-24
2PIONEER NATURAL RES. USA, INC.210,0002004-12-16
1PIONEER NATURAL RES. USA INC.19,7501990-12-21