Mergers & Acquisitions

• Cabot Oil & Gas Corporation – $17 billion combination with Cimarex Energy Co.
• McDermott International, Inc. – $6 billion combination with Chicago Bridge & Iron Company N.V.
• Transocean Ltd. – sale of jackup fleet to Norwegian based Borr Drilling Limited for $1.35 billion
• Schlumberger Limited – $10 billion acquisition of Cameron International
• Transocean Ltd. – sale of 38 shallow water drilling rigs to Shelf Drilling
• Noble Corporation – $2.16 billion acquisition of FDR Holdings Limited
• Schlumberger Limited – $11 billion acquisition of Smith International
• Pride International, Inc. – merger with Ensco plc
• McMoran Exploration Co. – acquisition of Plains Exploration & Production Company's shallow water Gulf of Mexico shelf assets
• Liberty Global, Inc. – sale of its 54%-owned subsidiary AUSTAR United Communications Limited to FOXTEL for $1 billion

Spin-offs

• Noble Corporation plc – spin-off of Paragon Offshore plc
• Chesapeake Energy Corporation – spin-off of Seventy Seven Energy, Inc.
• McDermott International, Inc. – spinoff of The Babcock & Wilcox Company
• Pride International, Inc. – spin-off of Seahawk Drilling, Inc.

International MLPs

• Transocean Ltd. – acquisition of Transocean Partners LLC in a share-for-unit merger transaction
• Transocean Ltd. – IPO of Transocean Partners LLC

Redomestication Transactions

• Noble Corporation – redomestication to the UK
• Noble Corporation – redomestication to Switzerland
• Transocean Inc. – redomestication to Switzerland

Joint Ventures

• Transocean Ltd. – formation of Orion Holdings joint venture with Hayfin Capital Management LLP
• Schlumberger Limited – formation of OneSubsea joint venture with Cameron International Corporation
• Carrizo Oil & Gas, Inc. – joint venture with Avista Capital Holdings, LP to acquire and develop Marcellus Shale properties
• Petroleum Development Corporation – formation of PDC Mountaineer joint venture with Lime Rock Partners
• Schlumberger Limited – formation of IntelliServ joint venture with National Oilwell Varco