X0202 4 2008-02-15 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-02-15 4 P 0 495 11.63 A 954391 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 1600 11.64 A 955991 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.649 A 956191 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 8402 11.65 A 964593 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 400 11.659 A 964993 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 7503 11.66 A 972496 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 1200 11.67 A 973696 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 4200 11.68 A 977896 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 1900 11.69 A 979796 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 300 11.698 A 980096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.6985 A 980296 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 1800 11.7 A 982096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 700 11.71 A 982796 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 1100 11.72 A 983896 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 300 11.73 A 984196 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 400 11.75 A 984596 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 500 11.77 A 985096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.78 A 985296 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 300 11.79 A 985596 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.8 A 985796 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.82 A 985996 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 100 11.85 A 986096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 700 11.86 A 986796 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 600 11.87 A 987396 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 200 11.88 A 987596 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 500 11.89 A 988096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 2000 11.9 A 990096 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 900 11.91 A 990996 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 700 11.92 A 991696 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-15 4 P 0 100 11.93 A 991796 I By Associated Petroleum Investors Ltd. 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 is the first of two reports, each on a separate Form 4, but all relating to the Reporting Person's transactions on February 15, 2008. /s/ Theodore F. Pound III through POA 2008-02-19