The survey is done and can be downloaded here.
Or you can read a brief description of the results on the Natural Gas for Europe website.
Description of gas transit projects:
Nabucco:
Companies:
Countries
Austria, Hungary, Romania, Bulgaria, Turkey
Possible gas sources:
Azerbaijan, Iraq, Kazakhstan, Turkmenistan,
Length:
3,300 kilometres (2,100 mi)
Capacity:
31 billion cubic meters per year
Cost:
€7.9 billion
South Stream:
Companies:
South Stream AG: Gazprom, Eni and Électricité de France
National joint companies (partial list): Gazprom with, Bulgargaz, Srbijagas,Hungarian Development Bank MFB, Geoplin Plinovodi (Slovenia), and other state supported development companies.
Countries:
Russia, Bulgaria, Greece, Italy, Serbia, Hungary, Croatia, Slovenia, Austria
Possible gas source:
Russia
Length:
900-kilometre (560 mi) long offshore section
Capacity:
63 billion cubic meters per year
Cost:
€19—24 billion
Azerbaijan–Georgia–Romania Interconnector (AGRI):
Companies:
Romgaz, State Oil Company of Azerbaijan Republic, Georgian Oil and Gas Corporation, MVM Hungary
Countries:
Azerbaijan, Georgia, Romania, Hungary
Possible gas source:
Azerbaijan
Length:
Transport Azerbaijani natural gas to Romania. Natural gas would be transported by the pipeline from Sangachal Terminal in Azerbaijan to the at the Kulevi Terminal at the Black Sea coast of Georgia. In Kulevi, the liquefied natural gas export terminal (LNG plant) would be built. Liquefied natural gas will be transported by LNG tankers to the Constanţa terminal in Romania. After regasificaton natural gas will be delivered through the existing gas grid to Romania and other European countries.(Wikipedia)
Capacity
7 billion cubic metres per year
Cost:
€4–6 billion
Trans Adriatic Pipeline (TAP):
Companies:
EGL Group, Statoil, E.ON
Countries:
Albania, Greece, Italy (uses existing and planned Turkish pipeline network)
Possible gas source:
Caspian and Middle Eastern gas sources
Length:
520 kilometers (320 mi)
Capacity:
10 billion cubic meters per year
Cost:
€1.5 billion
Interconnector-Turkey-Greece-Italy (ITGI):
Companies:
Edison, Botas, Depa
Countries:
Turkey, Greece, Italy
Gas source:
Azerbaijan
Length:
800 kilometers
Capacity:
8 billion cubic meters per year
Cost:
€2.5 billion (unofficial)
Questions? Please drop me a line: michael.labelle [at] limaxenergy.com
