Pipeline Services: pre-commissioning & commissioning of onshore & offshore oil & gas pipelines including flooding, gauging, testing, dewatering & vacuum / air drying, intelligent pigging including corrosion & geometry surveying techniques, caliper surveys, nitrogen purging / packing, product changeover, gel pigging, methanol swabbing & project management. Process Services: nitrogen/helium leak testing, nitrogen purging, pneumatic and hydrotesting, chemical cleaning and passivating, retro-jetting, pipe freezing, nitrogen drying, refinery reactor cool downs, temporary fuel gas supply, compressor run trials and temporary water injection and specialty pumping services. CLEANING PRODUCTS/EQUIPMENT, FILTRATION, HYDROBLASTING/WATER JETTING, HYDROBLASTING/WATER JETTING