X0202 4 2008-02-12 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-02-12 4 P 0 100 10.34 A 561496 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 400 10.35 A 561896 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 200 10.36 A 562096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 1800 10.39 A 563896 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 900 10.4 A 564796 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 200 10.44 A 564996 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 100 10.5 A 565096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 100 10.51 A 565196 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 100 10.52 A 565296 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 400 10.54 A 565696 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 600 10.55 A 566296 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 1200 10.57 A 567496 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 100 10.58 A 567596 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 100 10.595 A 567696 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 31205 10.6 A 598901 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 400 10.62 A 599301 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 174 10.6285 A 599475 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 700 10.6286 A 600175 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 400 10.63 A 600575 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 300 10.635 A 600875 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 1100 10.64 A 601975 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 400 10.6438 A 602375 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 44026 10.65 A 646401 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 300 10.7567 A 646701 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 700 10.76 A 647401 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 1100 10.77 A 648501 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 1300 10.7885 A 649801 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 2000 10.79 A 651801 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-12 4 P 0 10695 10.8 A 662496 I By Associated Petroleum Investors Ltd. Common Stock 1000000 I By Global Oilfield Holdings Limited The Reporting Person is Chairman and President of each of 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. This report is the first of two reports, each on a separate Form 4, but all relating to the Reporting Person's transactions on February 12, 2008. /s/ Theodore F. Pound III through Power of Attorney 2008-02-13