Frequently Asked Questions

SANGEA™ software is the American Petroleum Institute's (API) tool for estimating emissions designed to assist petroleum and natural gas companies with estimating, managing and reporting greenhouse gas (GHG) emissions.

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Yes, for the purchase of two or more licenses of SANGEA within one transaction, we provide a multiple license discount.

Yes, we offer a 20% academic discount for licenses of SANGEA that are purchased by universities and used solely for academic purposes.
To purchase SANGEA, you may pay via credit card (VISA, Mastercard, or American Express), bank wire transfer, or check. We also accept Purchase Orders for which we offer net 30-day payment terms.
The minimum system requirements are:
  • Windows 7, Windows 8, Windows 10 or Windows 11 operating system
  • Microsoft Office 2007 or higher installed
  • Microsoft .NET Framework 2.0 or 4.2 (preferred) installed
  • Unzipping utility program
  • At least 100 MB of free disk space
  • 512 MB RAM as minimum, and 1 GB preferred


It is strongly recommended that you install and register this application through an administrator account.
Technical support can be obtained by contacting the SANGEA Support Team.

SANGEA Support Team Email: support@apisangea.org.
Your purchase will include one year of free maintenance and support. Once this year of free maintenance and support expires, you will have the option to renew your software maintenance to continue to have access to the latest software versions and to the support team. Note that you will still be able to use your software if you opt not to renew the maintenance, however, you will not have access to download the latest versions or access to the Support Team. As such, we recommend that all users keep their maintenance up to date. Once this first year expires, the annual fee to renew one API member license will be $750 USD, and the annual fee to renew one non-API member license will be $1,000 USD.
Note: if you have multiple licenses, then a multiple license discount may apply