Natural Resources

environmental law, regulatory law,
water law, title opinions,
lease and transactional review,
commission representation


Oil, Gas & Minerals

oil, gas, and mining companies
small and large rely on us


Real Property

skilled representation for all
proceedings and real estate


S. Thomas Throne, Shareholder
Sheridan Office

S. Thomas Throne is an attorney in Sheridan, Wyoming primarily handling oil and gas matters. Tom has practiced in Sheridan since 1979, starting with Lonabaugh & Riggs before commencing his own practice in September 1982. Since that time, Tom has expanded the size of the firm to its current size of eleven (11) lawyers.

Tom's emphasis is on representing oil and gas companies in preparation of title opinions, administrative hearings in front of the Wyoming Oil and Gas Conservation Commission and North Dakota Industrial Commission, and in litigation and transactions surrounding operating agreements, title issues and other surface and mineral use issues. Tom was active on the Coalbed Methane Ad Hoc Committee that secured the passage of the Enzi bill in the fall of 1998. In addition, Tom has been trustee for the Wyoming State Bar Association to the Rocky Mountain Mineral Law Foundation and is a member of the Public Lands Committee of the Interstate Oil and Gas Compact Commission on behalf of the State of Wyoming. Tom frequently gives presentations to oil and gas attorneys as well as land professionals in the Rocky Mountain region.

Tom was raised on a ranch in Campbell County, Wyoming that the family still owns. In addition to representing oil companies, Tom is the owner of mineral rights in Campbell County, Wyoming. Tom and his wife raised 4 daughters.

Bar Admissions

  • Wyoming, 1979
  • U.S. Federal Court, 1979
  • North Dakota, 2010


  • University of Wyoming, College of Law, Laramie, Wyoming
    • J.D. - 1977
  • University of Denver. Denver Colorado
    • B.S.B.A., cum laude – 1973
    • Major: Business Administration

Representative Cases


  • Speaker, Rocky Mountain Mineral Foundation, 1998
  • Speaker, Wyoming Bar Association Convention
  • Speaker, Multiple Engagements, Wyoming Association Petroleum Landmen
  • Speaker, Multiple Engagements, Denver Association Petroleum Landmen
  • Speaker, Multiple Engagements, American Association Petroleum Landmen
  • Speaker, Title Examination in Wyoming, 2004 - 2005

Professional Associations and Memberships

  • Wyoming State Bar
    • Fourth Judicial District, Commissioner, 1990 – 1993
  • State Bar Association of North Dakota
  • American Bar Association
  • Coalbed Methane Ad Hoc Committee, Member
  • Wyoming Association Professional Landmen, Member
  • Denver Association Professional Landmen, Member
  • American Association Professional Landmen, Member
  • Rocky Mountain Mineral Foundation
  • Petroleum Association of Wyoming

Other Activities

  • Sheridan County School District #2, Member, Board of Trustees, 1998 – 2002
  • Save the Wyo Committee, Organizing Member
  • Whitney Foundation, Member, Board of Directors, 1999 – 2003
  • Sheridan County Community Tennis Association, Organizer and Member
  • Coach, Sheridan County Soccer Association