X0202 4 2004-12-22 0000003982 ALLIS CHALMERS CORP ALY 0001167769 ENERGY SPECTRUM PARTNERS L P 5956 SHERRY LANE, SUITE 900 DALLAS, TX 75225 0 0 1 0 Common Stock 2004-12-22 4 S 0 60000 3.00 D 2391062 D (1) Energy Spectrum Capital LP is the general partner of Energy Spectrum Partners LP. Energy Spectrum LLC is the general partner of Energy Spectrum Capital LP. Each entity listed in the signature block below shall be deemed to be a reporting person for purposes of this Form 4, and the signature of Thomas O. Whitener below shall be deemed to be the signature of all such reporting persons for purposes of this Form 4. /s/ Thomas O. Whitener 2004-12-27 Energy Spectrum Partners LP, By: Energy Spectrum Capital, LP, General Partner, Energy Spectrum LLC, General Partner 2004-12-27