COWAN-MCKINNEY -A-

Oil // district 13 // lease#24179

op: WILLOWBEND INVESTMENTS, INC.

cum_oil

14k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2012-03

peak_month

1994-07

-- production_history

cum_oil: 13,580 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

115 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

15,470 BBL

R-squared

0.426

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5LUNN, WILL11,6001990-09-14
3LUNN, WILL11,6001984-09-19
2LUNN, WILL11,6001984-04-17
1LUNN, WILL11,6001983-12-30
EOF // multi-state drilling data platform // 2026