The Specialist Buyers Guide for the Oil and Gas Industry


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Here is YourGuide to the leading suppliers of Sub Surface Engineering

Denholm Valvecare Ltd.

Denholm Valvecare Ltd. provides services to our customers in the Oil & Gas Sector. Denholm Oilfield Services is an international service provider providing leading edge services principally to the oil and gas sector.

Our multi-disciplinary services include:

  • Asset maintenance
  • Heavy and light fabrication
  • Precision engineering, machining and welding
  • Electrical and installation
  • Decommissioning
  • Decontamination
  • HP/UHP cleaning
  • Metrology and calibration
  • Valve sales, management, service, repair and maintenance
  • Energy logistics

Denholm Oilfield Services employs over 4,000 people delivering safe, reliable, innovative solutions across our industries from our operating bases in UK, Caspian, Middle East & USA.

Denholm Oilfield Services has been serving the oil and gas and marine industries for 150 years and has an annual turnover of £170m.

Sales Contact
Mr. Roy Wood
Telephone Number
+44 (0) 1224 894400
Minto Place, Altens Industrial Estate, Aberdeen, AB12 3SN.
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Patriot International

Patriot International is a dominant force in the field of specialist maintenance and construction equipment for the Oil & Energy industry.

Patriot International is at the forefront of providing integrated solutions to piping problems and offers a wide variety of equipment, training and manpower. With the supply of engineering, equipment, production support, and ECITB approved training courses; Patriot International aims to deliver a professional and dependable service to our clients.

With bases around Europe, we are strategically positioned to service our customer needs at all times, worldwide.

Telephone Number
+44 (0)1224 724726
Wellheads Trading Estate, Wellheads Crescent, Dyce, Aberdeen, AB21 7GA, UK
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Seabed Scour Control Systems

Seabed Scour Control Systems designs and manufactures its frond scour control systems for all types of Subsea and Underwater Installations.

The SSCS Frond Systems are used globally for applications including Offshore Wind turbine foundations, cables and other structures; subsea pipelines, platform legs and umbillicals for the offshore Oil & Gas sector; Inshore Civil sector requirements; Environmental projects; and for the protection of Archaeological sites.

Seabed Scour Control Systems Frond Mats are made in-house and can be manufactured to any shape and size and to suit various deployment methods, including removing the need for diver or ROV intervention during installation.

Seabed Scour Control Systems are able to provide advice and solutions designed for specific projects related to existing and planned installations, and use of our 'self-maintaining' Frond Mats eliminates the requirements for ongoing maintenance programmes and procedures.

Sales Contact
Brian Smith
Telephone Number
+44 (0)1493 443380
Harfreys Road, Harfreys Industrial Estate, Great Yarmouth, Norfolk, NR31 0LS.
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Isotek Oil And Gas Ltd.

Isotek Oil And Gas Ltd. specialise in electronic, electrical, mechanical and software control engineering for extreme environments.

Isotek Oil And Gas Ltd. has unrivalled knowledgeand expertise gained through 20 years designing and building all aspects of remotely controlled welding repair equipment for use in subsea pipeline repair applications. Isotek's specialist team is a key part of the group running the Pipeline Repair System JV located in Haugesund, Norway.

Isotek Oil And Gas Ltd. is a founding member of 4C Solutions, an engineering partnership aimed at providing industrial customers with practical, flexible solutions for applications needed in tough environments.

Telephone Number
+44 (0)113 275 1339
9 Clayton Wood Bank, Leeds, LS16 6QZ.
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Semco Maritime

Semco Maritine bring more than 30 years of experience to the oil and gas industry, supplying engineering and project management solutions. From design and procurement to construction and installation, our multi-disciplinary approach ensures that our customers get maximum performance from their platforms, FPSOs and refineries within the following focus areas:

  • Studies & engineering services
  • EPCI & modification projects
  • Fabrication & service
  • Operation support
  • Engineering experts

Semco Maritine's highly qualified engineers provide feasibility studies, front-end engineering design (FEED), theoretical studies, detailed design and analysis using the latest technologies, including 3-D modelling. Our full range engineering departments provide a wide range of solutions to meet our customers’ offshore needs within all disciplines. 

Telephone Number
+44 (0) 1224 702211
Tern Place, Denmore Industrial Estate, Bridge of Don, Aberdeen, AB23 8JX.
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