China Dagang Zitong United States California Texas Canada Alberta Technology HTL - Heavy Oil Upgrading GTL - Natural Gas to Liquids PhotoGallery Ivanhoe produces oil and natural gas from wells in the Spraberry Trend located in West Texas. In Spraberry we are producing approximately 40 equivalent barrels per day from 23 wells, in which ourworking interest ranges from 31% to 40%.   About Ivanhoe | Corporate Responsibility | News | Operations | Investor Relations | Home Legal Disclaimer  © 2004 Ivanhoe Energy Inc.  All Rights Reserved.