ALTA-WILLIAMSON -A-

Oil // district 10 // lease#31509

op: PHOENIX HYDROCARBONS OPERATING

cum_oil

34k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2007-04

peak_month

1993-01

-- production_history

cum_oil: 34,306 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

371 BBL/mo

Di (annual)

12.0%

b-factor

0.5

EUR

55,536 BBL

R-squared

0.906

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ALTA ENERGY CORPORATION15,8501988-02-17
1ALTA ENERGY CORPORATION15,8501987-09-14
EOF // multi-state drilling data platform // 2026