CURTIS "N"

Oil · District 08 · Lease #33140

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

70k BBL

Cum Gas

109k MCF

casinghead

Wells

2

Production

1993-01 — 2014-10

Peak Month

2011-04

Production History

Cum Oil: 69,960 BBL Cum Gas: 108,765 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,001 BBL/mo

Di (annual)

102.1%

b-factor

0.7

EUR

61,645 BBL

R-squared

0.879

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,5002010-07-22
1PIONEER NATURAL RES. USA INC.29,7501991-01-10