X0202 4 2007-10-04 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2007-10-04 4 A 0 4000 A 7000 D Common Stock 500000 I By Associated Petroleum Investors Lts. Common Stock 1000000 I By Global Oilfield Holdings Limited These shares were issued as a restricted stock award and therefore no consideration was paid by the Reporting Person. The restricted stock award vests on October 4, 2008. The Reporting Person is Chairman and President of each Associated Petroleum Investors Ltd. and Global Oilfield Holdings Limited. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for the purposes of Section 16 or for any other purpose. /s/ Alejandro P. Bulgheroni 2007-10-05