Anadarko 2010 Annual Report

http://docsearch.derrickpetroleum.com/pageNav/view1/docId/10640-0000/Anadarko_2010_Annual_report_form_10_K.html

Chevron 2010 Annual Report

http://docsearch.derrickpetroleum.com/pageNav/view1/docId/10696-0000/Chevron_2010_Annual_Report_Form_10_K.html

BP 2010 Annual Report

http://docsearch.derrickpetroleum.com/pageNav/view1/docId/10831-0000/BP_2010_Annual_Report_and_Form_20_F.html

Apache 2010 Annual Report

http://docsearch.derrickpetroleum.com/pageNav/view1/docId/10857-0000/Apache_2010_AR_Form_10_K.html

Shell 2010 Annual Report

http://docsearch.derrickpetroleum.com/research/cmp/503/Shell.html