X0202 4 2008-02-29 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-02-29 4 P 0 2600 12.82 A 1090498 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 300 12.8233 A 1090798 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 15400 12.83 A 1106198 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 700 12.8343 A 1106898 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 5000 12.835 A 1111898 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 4300 12.837 A 1116198 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 21100 12.84 A 1137298 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 2900 12.8426 A 1140198 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 402 12.8437 A 1140600 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 200 12.845 A 1140800 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 2700 12.847 A 1143500 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 7800 12.85 A 1151300 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 3700 12.855 A 1155000 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 4700 12.857 A 1159700 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1100 12.86 A 1160800 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 3100 12.87 A 1163900 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 15905 12.88 A 1179805 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1600 12.8882 A 1181405 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1600 12.8894 A 1183005 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 10794 12.89 A 1193799 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 895 12.8911 A 1194694 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 500 12.894 A 1195194 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1600 12.8947 A 1196794 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 3600 12.895 A 1200394 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1400 12.897 A 1201794 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 700 12.8971 A 1202494 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 2601 12.8972 A 1205095 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1400 12.8986 A 1206495 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 12590 12.9 A 1219085 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1200 12.905 A 1220285 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 second of three reports, each on a separate Form 4, but all relating to the Reporting Person's transactions on February 29, 2008. /s/ Theodore F. Pound III through POA 2008-03-03