SHIELDS -A-

Oil · District 14 · Lease #239

Operator: PETCO PETROLEUM CORP.

Cum Oil

103k BBL

Cum Gas

0 MCF

Wells

11

Production

1993-01 — 2026-03

Peak Month

1994-01

Production History

Cum Oil: 103,348 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

598 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

97,774 BBL

R-squared

0.788

type

exponential

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15OXY USA INC.13,4751990-04-02
14CITIES SERVICE COMPANY13,3101980-06-23
1042-179-07145--------
1142-179-07146--------
1242-179-07147--------
1342-179-07148--------
242-179-07137--------
442-179-07139--------
742-179-07142--------
842-179-07143--------
942-179-07144--------
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