X0202 4 2008-02-14 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-02-14 4 P 0 2000 12 A 806996 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1600 12.01 A 808596 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1700 12.02 A 810296 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 600 12.03 A 810896 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1590 12.05 A 812486 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 200 12.06 A 812686 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 500 12.08 A 813186 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 5100 12.1 A 818286 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 300 12.1033 A 818586 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 2000 12.11 A 820586 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 2700 12.12 A 823286 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1200 12.13 A 824486 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 2537 12.14 A 827023 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 600 12.145 A 827623 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 400 12.1473 A 828023 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 698 12.1486 A 828721 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 14865 12.15 A 843586 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 100 12.155 A 843686 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 500 12.158 A 844186 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 8900 12.16 A 853086 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 4800 12.17 A 857886 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 100 12.175 A 857986 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 15590 12.18 A 873576 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1500 12.1867 A 875076 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 6310 12.19 A 881386 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 3500 12.2 A 884886 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 3610 12.21 A 888496 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 5000 12.22 A 893496 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 900 12.24 A 894396 I By Associated Petroleum Investors Ltd. Common Stock 2008-02-14 4 P 0 1800 12.25 A 896196 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 14, 2008. /s/ Theodore F. Pound III through POA 2008-02-19