Gazprom Libya, Kazakhstan, Uzbekistan, Kyrgyzstan and Tajikistan. Gazprom's Unified Gas Supply System (UGSS) includes of gas trunklines and branches and 218 compressor stations with a 41.4 GW capacity. The UGSS is the largest gas transmission system in the world. In 2008, the transportation system carried of gas. The UGSS has reached its capacity. Major transmission projects include the Nord Stream and South Stream pipelines, as well as pipelines inside Russia. In 2006, Gazprom sold of gas to domestic customers; to the rest of Europe; and to CIS countries and the Baltic states. Gazprom receives about 60 percent of its revenue from
Gazprom Neft limestone, which makes drilling difficult. Therefore, specialists are facing a more labor-intensive task. At the moment all these difficulties have been successfully overcome. Three development wells have now been constructed, successfully tested and their outputs have exceeded planned expectations. New innovative technologies are applied at Badra. Among them are: Solar panels can be another example of the usage of modern technologies. They allow the block valve station to work independently from electricity. The Badra oil field development consortium annually invests in education, medicine and other social projects in Iraq. In 2013 Gazprom Neft donated some buses to the University in