PORTWOOD

Oil · District 13 · Lease #18862

Operator: SHAWVER & SHAWVER

Cum Oil

4k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2001-05

Peak Month

1995-12

Production History

Cum Oil: 4,028 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

315 BBL/mo

Di (annual)

564.8%

b-factor

0.6

EUR

1,517 BBL

R-squared

0.355

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NATURAL RESOURCES CORPORATION15,6001978-02-23
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