SPIVEY "A"

Oil // district 13 // lease#30865

op: 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
EOF // multi-state drilling data platform // 2026