Areas of Practice
Practice-Specific Experience
  • Paul M. Hebert Law Center, Louisiana State University, J.D., 1991; Chancellor's List; Louisiana Law Review; Paul M. Hebert Academic Scholarship; American Jurisprudence Awards
  • Louisiana State University, B.S. in Petroleum Land Management, 1987; President, Alpha Lambda Delta Honor Society; Omicron Delta Kappa Honor Society; Mortar Board Honor Society
Bar Admissions
  • Louisiana, 1992
Marjorie McKeithen
201 St. Charles Ave
New Orleans, LA 70170-5100
504.582.8420 tel
504.589.8420 fax

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Marjorie McKeithen is a partner in the firm's Business & Commercial Transactions Group and co-chairs the firm's Energy, Environment, and Natural Resources Industry Team. She affiliated with the firm after serving as Secretary of the Louisiana Mineral and Energy Board and Assistant Secretary of the Louisiana Department of Natural Resources, Office of Mineral Resources, where she oversaw the granting and administering of mineral leases, storage agreements and alternative energy agreements on state-owned lands and water bottoms. While serving as Secretary of the Louisiana Mineral and Energy Board, Ms. McKeithen undertook a comprehensive revision of Louisiana's statutory scheme relating to leases for underground storage.

In addition to her upstream oil and gas practice, Ms. McKeithen serves as counsel on a number of large energy infrastructure projects, including pipelines, LNG facilities, hydrocarbon storage facilities (both salt dome and depleted reservoir storage), solution-mining facilities and commercial saltwater disposal facilities. Ms. McKeithen also represents a number of energy service companies and renewable energy companies.

After clerking with the Honorable Frank J. Polozola in the U.S. District Court for the Middle District of Louisiana, Ms. McKeithen was in the private practice of law from 1992–2006 with a concentration in civil litigation, including environmental and toxic tort litigation. Previously, she served as campaign manager to her father, W. Fox McKeithen, during his initial campaign for the office of Louisiana Secretary of State.

Ms. McKeithen received her juris doctor degree from the Paul M. Hebert Law Center, Louisiana State University, in 1991, and her Bachelor of Science in Petroleum Land Management from Louisiana State University in 1987. She is currently an appointed Member of the Interstate Oil and Gas Compact Commission and serves on the Board of the Louisiana Oil & Gas Association. She has also been an active participant in Women of the Storm's grassroots volunteer efforts to return funds to the Gulf states for coastal restoration efforts.


  • Recognized in "Chambers USA – America's Leading Lawyers for Business" in the area of Energy & Natural Resources: Oil & Gas (listed annually since 2015)
  • Listed in the 2018 edition of Louisiana Super Lawyers in the area of Energy & Natural Resources (listed annually since 2014)
  • New Orleans CityBusiness Leadership in Law Award (2010)
  • New Orleans CityBusiness Top 50 Women of the Year Award (2010)
  • Honored by the Louisiana State Mineral Board for her service to the State of Louisiana (2009)
  • Recipient of Petroleum Landmen's Association of New Orleans' Betty Barone Award for outstanding public service (2008)
  • Recipient of Louisiana State Bar Association's Crystal Gavel Award (2002)
  • Recipient of Baton Rouge Bar Association's Outstanding Community Leadership Award (2001)
  • Named to Baton Rouge Business Report's "Top Forty Under 40" (1999)
  • Recipient of Southern University's Women's Studies Program Award, recognizing outstanding female leaders (1998)




  • "The Napoleonville Salt Dome Sinkhole and the Regulatory Aftermath", April 30, 2014, Kinetica Partners Shippers Meeting
  • "Storage Caverns Bayou Corne and Resulting Legislation", September 16, 2013, Louisiana Oil & Gas Association Industry Seminar and CLE
  • "Basic Legal Issues Regarding Salt Dome and Depleted Reservoir Underground Storage of Natural Gas", May 10, 2011
  • "Beyond the Moratorium: Changes in OCS Regulation", March 25, 2011
  • "Greenhouse Gas Law: Regulation & Solar, Geothermal, and Energy Districts", October 14, 2010
  • "Status of the Federal Drilling Moratorium Litigation", September 2, 2010



  • Council for a Better Louisiana (Member, Board of Directors)
  • Governor Bobby Jindal's Transition Advisory Council (Member, 2007)
  • Interstate Oil and Gas Compact Commission (Member, 2007 to date; Legal and Regulatory Affairs Committee, 2010 to date)
  • Lighthouse for the Blind New Orleans (Member, Board of Directors, 2010 to date)
  • Louisiana Association of Business and Industry (Member, Board of Directors, 2015)
  • Louisiana Board of Commerce and Industry (Board Member, 1999–2004)
  • Louisiana Mid-Continent Oil & Gas Association (Member, 2009 to date)
  • Louisiana Mineral Board (Chairman, Legal and Title Controversy Committee, 2004–2006; Vice-Chairman, 2004–2006)
  • Louisiana Nature Conservancy (Board Member, 2010 to date)
  • Louisiana Oil and Gas Association (Member, Board of Directors, 2009 to date)
  • LSU John P. Laborde Energy Law Center (Member, Inaugural Advisory Board)
  • New Orleans City Park Improvement Association (Board of Commissioners, 2010 to date)
  • New Orleans Regional Leadership Institute (Class of 2012)
  • Professional Landmen's Association of New Orleans (PLANO)
  • Save America's Coast Political Action Committee (Member, 2006)
  • Women's Energy Network (Member, 2009 to date)