Derek S. Green

Deputy Department Chair - Tax (Firmwide) Partner

Derek Green Photo


P: +1.713.229.1695 F: +1.713.229.2895

Mergers & Acquisitions

  • 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


  • 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