COWDEN -46-

Oil // district 10 // lease#32413

op: QUAY VALLEY, INC.

cum_oil

125k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2008-09

-- production_history

cum_oil: 124,716 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,275 BBL/mo

Di (annual)

23.8%

b-factor

0.5

EUR

109,887 BBL

R-squared

0.534

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.110,7002008-03-03
4PIONEER NATURAL RES. USA, INC.110,4252007-08-07
3MLC CO., INC.18,9001989-09-19
1CONTINENTAL U S EXPLORATION, INC29,8391984-11-20
EOF // multi-state drilling data platform // 2026