X0303 4 2009-06-25 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 1 0 Common Stock 2009-06-25 4 M 0 14520 2.5 A 25520 D Common Stock 2009-06-25 4 M 0 4040307 2.5 A 7101146 I By Associated Petroleum Investors Ltd. Common Stock 2009-06-25 4 M 0 1320000 2.5 A 2320000 I By Global Oilfield Holdings Limited Subscription Rights (Right to Buy) 2.5 2009-06-25 4 M 0 14520 0 D 2009-06-03 2009-06-19 Common Stock 14520 0 D Subscription Rights (Right to Buy) 2.5 2009-06-25 4 M 0 4040307 0 D 2009-06-03 2009-06-19 Common Stock 4040307 0 I By Associated Petroleum Investors Ltd. Subscription Rights (Right to Buy) 2.5 2009-06-25 4 M 0 1320000 0 D 2009-06-03 2009-06-19 Common Stock 1320000 0 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. The Reporting Person directly and indirectly owns common stock of the Issuer. As such, the Reporting Person received, at no cost from the Issuer, rights to purchase one share of common stock for every share of common stock owned plus rights to subscribe for additional shares up to 32% of the shares of common stock for which he was otherwise entitled to subscribe in the event not all shares of common stock were subscribed for initially. This Form 4 reports the exercise of subscription rights by the Reporting Person. Receipt of Subscription rights was not reported because such receipt is exempt under rule 16a-9(b). /s/ Theodore F. Pound III 2009-06-29