CURTIS "M"

Oil · District 10 · Lease #33141

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

74k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2011-04

Production History

Cum Oil: 73,546 BBL Cum Gas: 0 MCF

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

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.211,4002010-06-28
1PARKER & PARSLEY, LTD.29,8001990-12-28
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