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W. Garney Griggs

fax +1 832.397.3522

W. Garney Griggs represents energy and maritime industry clients in the areas of corporate finance and securities, and mergers and acquisitions. He guides and advises private equity funds in financing and securities matters, and manages domestic and foreign internal investigations for public and private clients.


LL.B., University of Texas School of Law, Austin, Texas, 1968
B.A., The University of Texas at Austin, Austin, Texas, 1966


Named among The Best Lawyers in America® – Admiralty and Maritime Law (2016-2024), Corporate Law (2007-2024), Energy Law (2010-2024) by Best Lawyers (2007-2024)

Named among Best Lawyers in Texas by Wall Street Journal (2016-2021)

Named to Who’s Who in Energy by American Cities Journals (2012-2016)

Named Texas Super Lawyer by Thomson Reuters (2005-2013)


American Bar Association, Member

Houston Bar Association, Member

Maritime Law Association of the United States, Member

State Bar Licenses


Court Admissions

U.S. District Ct., E.D. of Texas
U.S. District Ct., N.D. of Texas
U.S. District Ct., S.D. of Texas
U.S. Court of Appeals, 5th Circuit
U.S. Supreme Court


  • $825 million divestiture of compression services division by an equipment company to a public MLP
  • $600 million sale of oil country tubular goods distributor division of NYSE international oil field service company
  • FCPA internal investigation for a public company relating to operations in China, Mexico, and Brazil
  • Acted as counsel to the Special Committee of the Board of a NASDAQ company in the drop-down acquisition from its affiliate
  • Restructured $500 million refinancing of an international oil field service company
  • Conducted internal investigation for a publicly held Dutch company operating in the United States
  • Purchased interest of natural gas trading and marketing company operating in the US Gulf of Mexico states
  • $550 million purchase of marine transportation company for cash and stock and restructuring of financing thereof
  • Served as counsel to EPC company for $1 billion international refinery project in Russia
  • Purchase of $450 million of oil and gas properties in the Gulf Coast area and the structuring of company and the debt and private equity financing thereof
  • Sale for cash and stock of an international offshore drilling company for $500 million and the subsequent registration and sale of the stock
  • Offering of $130, $150, and $200 million series senior notes
  • Purchased assets of crude oil marketer operating in West Texas and New Mexico
  • Refinanced international company’s senior debt in connection with the restructuring of U.S. and foreign subsidiaries of the company
  • Structuring, financing, and implementation of a joint venture for undertaking secondary recovery efforts in South American oil and gas areas
  • $850 million merger of a NYSE oil field service company and purchase by a NYSE oil field service company
  • Purchase by a NYSE company of $460 million of assets from a UK company
  • Sale of oil and gas properties in North Louisiana for $425 million
  • Formed joint venture for the purchase and sale of petroleum and petrochemical products in the U.S. mid-continent
  • Public Offering of $190 million of common stock for a marine transportation company
  • Offering of convertible exchangeable preferred stock for an oil field service company
  • Sale of oil and gas properties in Texas, Arkansas, and Louisiana for $140 million
  • Conducted an internal investigation for a United States company relating to FCPA