- OGEL 4 (2010)
OGEL 4 (2010) - Host Government Contracts in the Upstream Oil and Gas Sector
Nov 2010
- OGEL 3 (2010)
OGEL 3 (2010) - Oil Spills
Sep 2010
- OGEL 2 (2010)
OGEL 2 (2010) - Kazakhstan
Mar 2010
- OGEL 1 (2010)
OGEL 1 (2010) - Antitrust in the Energy Sector
Feb 2010