Oil & GAS

Langan provides an integrated mix of engineering and environmental consulting services in support of pipelines, well pads, compressor stations, and related facilities for the energy industry and land development. Our clients include energy companies, developers, property owners, public agencies, corporations, and institutions.


Upstream projects are your company’s biggest investment. Protecting that investment calls for
more than just construction knowledge. You also need a consultant who can handle all the unique
challenges of your project, from complex subsurface geology to permitting hurdles to creating
access points for remote sites.

Langan has played a major role in the development of dozens of successful upstream facilities.
What sets us apart is our integrated team of experts, all working together to make sure projects
start — and stay — on the right track.

  • Erosion and sediment control, design, and permitting
  • Wetland and waterway surveying and permitting
  • Threatened and endangered species conflict resolution
  • Pre-drill water testing
  • Well plat surveying
  • Geotechnical design
  • As-built surveys
  • GIS site selection
  • Compliance inspection
  • Spill cleanup

Langan’s midstream projects include nearly 200 miles of pipeline and dozens of compressor stations, valve yards, and meter stations for US oil and gas companies. Our team provides the comprehensive engineering, environmental, and regulatory expertise needed to complete large projects faster.

Services provided include:
  • FERC filings
  • Horizontal directional drilling (HDD) design and installation
  • Design, permitting, and construction of access roads
  • Survey for pipeline right-of-way
  • GIS pipeline route development
  • Stormwater management
  • Erosion and sediment control
  • Air quality
  • Scanning and UAV survey
  • Wetland and waterway survey and permitting

Langan has decades of complex facility experience supporting petrochemical manufacturers, utilities, and industrial developers looking for cost-effective approaches to energy development, facility expansion, and site remediation projects.

  • Site/civil design
  • Geotechnical design
  • Due diligence support
  • Brownfield remediation
  • Environmental compliance
  • Survey, laser scanning, and modeling
  • Mobile mapping