Ratigan Engineering & Consulting LLC

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  • Geologic Engineering and Site Characterization Project Feasibility and Conceptual Design
  • Permitting and Regulatory Agency Interaction
  • Gas Cavern Thermodynamics and Heat Transfer
  • Subsidence Monitoring
  • Due Diligence
  • Rock Properties Assessment
  • Litigation Support and Expert Witness Testimony
  • Mechanical Integrity Test Design & Analysis

Technical Approach:

Dr. Ratigan has a history of executing successful engineering and consulting projects with former employers RESPEC, Sofregaz US, and PB Energy Storage Services. His project management and execution approach is to develop a Project Team that best addresses a client’s needs. The Project Team can range in size from a “one man force” to a comprehensive and superior cadre of professional consultants and/or consulting or service companies under Dr. Ratigan’s management.

3824 Jet Drive
Rapid City, SD  57703
P.O. Box 725
Rapid City, SD  57709
(605) 394-6445 


Ratigan Engineering & Consulting LLC was formed in 2011 to offer experienced engineering & consulting services to the solution-mined cavern industry.

Dr. Joe L. Ratigan, Principal Consultant and President of Ratigan Engineering & Consulting is a Registered Professional Engineer in South Dakota, Texas, and Kansas with over 35 years of experience in engineering and consulting in the solution-mined cavern industry. Dr. Ratigan is the 2012 President of the Solution Mining Research Institute.

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