Lonquist Co., LLC

Leading the Future of Energy with Innovative Consulting and Strategic Project Execution

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About the firm

Lonquist is a globally recognized subsurface engineering and construction firm specializing in the energy sector since 2005. Full-service regulatory, engineering, geological, and operations groups have completed thousands of projects throughout North America, consistently meeting clients' highest standards. Services span salt cavern solution mining, underground injection well engineering, reservoir engineering, CO2 sequestration, lithium reserves evaluation, regulatory support, safety services, expert witness, and acquisition support. With close to 100 employees and consultants and offices in multiple countries, Lonquist is ISO 9001:2015 certified. Chairman and Founder Richard R. Lonquist, P.E. is based in Austin, Texas.

Established
2005
Team
Small
Firm type
Petroleum Engineering · Environmental Engineering

Credentials

ISO 9001:2015 (Certificate No. US4737)

People

Richard R. LonquistChairman and Founder

Capabilities

Solution Mining

  • Salt Cavern Engineering
  • Cavern Drilling and Construction

Underground Injection

  • Injection Well Drilling
  • Well Workover Services
  • Mechanical Integrity Testing (MIT)

Reservoir Engineering

  • Geological Studies
  • Supply Studies and Economic Evaluations

New Energy

  • CO2 Sequestration
  • Lithium Reserves Evaluation

Regulatory Support

Full-service regulatory consulting for underground injection, salt cavern, and subsurface energy projects across North American jurisdictions.

Safety Services

Safety programs and field operations support for subsurface drilling, well workover, and construction activities.

Expert Witness

Technical expert testimony for legal and regulatory proceedings involving subsurface engineering, injection well operations, and petroleum matters.

Acquisition Support

Technical due diligence and asset evaluation for energy sector acquisitions, including subsurface assessments of salt cavern and injection well assets.

Industries

Oil & Gas · Carbon Capture · Natural Resources

Projects

No projects listed yet.