SPIVEY "A"

Oil · District 13 · Lease #30865

Operator: WILLOWBEND INVESTMENTS, INC.

Cum Oil

95k BBL

Cum Gas

0 MCF

Wells

9

Production

2007-09 — 2026-03

Peak Month

2008-03

Production History

Cum Oil: 94,642 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,019 BBL/mo

Di (annual)

49.9%

b-factor

0.5

EUR

89,929 BBL

R-squared

0.880

type

hyperbolic

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12FARMER, LEWIS & HAYDEN11,5002008-07-09
11FARMER, LEWIS & HAYDEN11,5002008-02-21
10FARMER, LEWIS & HAYDEN11,5002008-01-25
9FARMER, LEWIS & HAYDEN11,5002008-01-25
6FARMER, LEWIS & HAYDEN11,5002007-12-06
8FARMER, LEWIS & HAYDEN11,5002007-12-04
5FARMER, LEWIS & HAYDEN11,5002007-11-30
1FARMER, LEWIS & HAYDEN21,3002007-11-20
2FARMER, LEWIS & HAYDEN21,3002007-08-24
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