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 0 800 12.52 A 1000800 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 2004 12.56 A 1002804 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 500 12.58 A 1003304 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 400 12.62 A 1003704 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1696 12.64 A 1005400 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1034 12.65 A 1006434 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 3700 12.68 A 1010134 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 900 12.6811 A 1011034 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 8803 12.69 A 1019837 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 4000 12.7 A 1023837 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1596 12.7012 A 1025433 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1400 12.7079 A 1026833 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 13048 12.71 A 1039881 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 400 12.715 A 1040281 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 16353 12.72 A 1056634 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1100 12.7209 A 1057734 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1400 12.725 A 1059134 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 800 12.727 A 1059934 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1102 12.73 A 1061036 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 309 12.74 A 1061345 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 4755 12.75 A 1066100 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 6400 12.751 A 1072500 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 298 12.76 A 1072798 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1500 12.77 A 1074298 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1500 12.78 A 1075798 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 4200 12.79 A 1079998 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1100 12.795 A 1081098 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1502 12.8 A 1082600 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 3598 12.81 A 1086198 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-29 4 P 0 1700 12.815 A 1087898 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 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