COWDEN

Oil · District 10 · Lease #35580

Operator: PIEDRA OPERATING, LLC

Cum Oil

258k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-11 — 2026-03

Peak Month

1998-01

Production History

Cum Oil: 258,180 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,790 BBL/mo

Di (annual)

19.7%

b-factor

0.5

EUR

282,238 BBL

R-squared

0.755

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
301ENRON OIL & GAS COMPANY213,5001997-10-15
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