CURTIS "M"

Oil · District 08 · Lease #33141

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

74k BBL

Cum Gas

167k MCF

casinghead

Wells

2

Production

1993-01 — 2021-05

Peak Month

2011-04

Production History

Cum Oil: 73,546 BBL Cum Gas: 167,119 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,042 BBL/mo

Di (annual)

27.6%

b-factor

0.2

EUR

56,337 BBL

R-squared

0.515

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 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.211,4002010-06-28
1PIONEER NATURAL RES. USA INC.29,8001990-12-28