CRESPI "S"

Oil · District 10 · Lease #33134

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

78k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2006-03

Production History

Cum Oil: 77,920 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

628 BBL/mo

Di (annual)

18.5%

b-factor

0.3

EUR

55,516 BBL

R-squared

0.775

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.19,6002005-09-15
1PARKER & PARSLEY, LTD.19,2001991-02-28
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