Refining & Upgrading

TWD has a significant history in the refining industry and has held positions in operations, maintenance, projects, process, logistics and senior management.

Our project capabilities range from small plant upgrades to large grass roots facilities. TWD provides optimization services to assist our clients with improvement of current operating assets. Our refining track record includes experience with the following processes and critical equipment.

  • Amine

  • Alkylation

  • Asphalt

  • Blending, terminalling & transfer

  • Catalytic cracking & reforming

  • Crude and vacuum units

  • Critical compressor systems

  • Delayed coking

  • Distillation

  • Environmental units

    • FGD reduction units

    • SCR reduction units

    • NOx reduction units

    • CO2 reduction units

    • Water treatment

    • Oily water treatment

  • Flare systems / flare gas recovery

  • Gasoline desulphurization

  • Hydrogen plants

  • Hydrocracking

  • Hydrotreating

  • Isomerization units

  • Lubricants refining

  • Solvent de-asphalting and visbreaking

  • Utilities and offsites systems

    • Cogeneration

    • Cooling tower / cooling water systems

    • Renewable fuels blending

      • Biodiesel

      • Ethanol

    • Steam generation

    • Sulphur recovery

Oil Sands Recovery

TWD experience includes the development, implementation and optimization of projects in areas of and mining facilities.


TWD also provides services to assist our clients with the optimization of current operating assets in the following areas:

  • Conventional oil production / processing systems

  • Primary heavy oil production

  • Steam assisted gravity drainage (SAGD) systems

  • Steam generation and piping systems

  • Material conveying and equipment design

  • Tankage and transfer

Midstream & Pipeline

TWD experience includes pipeline and midstream processing facilities including the following areas:

  • LNGs, NGLs, ethane, propane, butane, condensates, crude oils

  • Vapourization

  • Liquefaction

  • Gas processing

  • Extraction

  • Fractionation

  • Sulphur removal

  • Pipelines

  • Pipeline integrity and maintenance

  • Pumping and compressor stations

  • Custody transfer systems

  • Terminalling, Storage and Blending





Location:     Sarnia, ON

Project Highlights:
  • Over 100 projects completed since 2012

  • TWD has provided project management, engineering, and procurement services for a large number of sustaining capital projects.

  • Upgraded projects including process engineering, piping design, and civil works.

  • Mechanical specialty studies (pipe stress, lifting lugs, integrity, metallurgical investigations)

  • Replacement of piping, valves, pumps, and vessels

  • Various civil upgrades (pipe racks and supports, road crossing 'coffins')


  • Operation and maintenance technical support

  • Turnaround Engineering Support

Lets connect to discuss upcoming opportunities
Burnaby Office

#162 - 4664 Lougheed Hwy

Burnaby, BC V5C 5T5

T: 236.317.2866

Burlington Office

905 Century Drive
Burlington, ON L7L 5J8
T: 905.634.3324

Calgary Office 

Calgary Place One
Suite 750, 330 5th Ave SW
Calgary, AB T2P 0H9
T: 403.262.3083

Atlantic Office

199 Chesley Drive, Suite 110

Saint John, NB E2K 4S9

T: 506.345.0667


Edmonton Office

2055 Premier Way, Unit 257
Sherwood Park, AB T8H 0G2
T: 780.410.0542

Pittsburgh Office

965 Greentree Road

Pittsburgh, PA 15220
T: 412.615.4030

Toll-free number: 888.624.5142

Sarnia Office

201 Front Street North, Suite 210

Sarnia, ON N7T 7T9
T: 519.464.7390

Greece Office

Asklipiou 26

41222, Larissa

T: +30 2411 810535

© 2020 TWD