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Intelligent Pig Inspection

Intelligent pigs are used to provide information about the condition of a pipeline and can be used to locate problem areas. Intelligent pigs are either ‘free flowing’ pigs, that are propelled by the fluid and are totally self-contained (onboard power, data collection, etc.), or they are tethered (or cable) pigs, that are connected to a power supply and/or data acquisition equipment via a cable. The latter can either be driven by motors, or pumped through the pipeline and are particularly useful for ‘unpiggable’ lines such as loading lines.

There are many types of intelligent pig that can perform a multitude of different tasks, including:
  • · geometry measurement
  • · metal-loss detection
  • · leak detection
  • · pipeline profiling and mapping
  • · temperature and pressure recording
  • · bend measurement and curvature monitoring
  • · product sampling
  • · photographic inspection
  • · wax deposit measurement
  • · crack detection
The most common intelligent pigs used for ‘integrity’ monitoring are for geometry measurement and
metal-loss detection, with an increasing use of pigs that can detect cracks, and pigs that can map
pipeline co-ordinates.
Metal-loss detection pigs are used to detect defects that have resulted in wall thinning in the pipeline
and can discriminate to some extent between manufacturing defects and corrosion defects. There are
two main types of metal-loss pigs: magnetic flux leakage and ultrasonic. 


shahram seyyedmirza

Dear sir Arshia Petro Sanat M.E. (APS-ME) is a grade one contractor in Iranian oil and gas industry with more than 30 years of experience in Construction, Installation, Maintenance and repair of Offshore/Onshore Structures, Platforms, Topsides and pipelines. APS-ME is a well-known and reputable contractor in POGC (Pars Oil & Gas Company) with well-established relations and connections, which already has 2 ongoing big projects with this client subjected to maintenance and refurbishment of several platforms in South-pars gas field. Considering our capabilities and also mutual trust between POGC and ASP-ME, we are invited to participate in a giant tender subjected to ILI running tools of 37 offshore pipelines in South Pars with a total length of ~ 3200 KM with Cleaning, Gauging, Caliper, Geo, MFL & TFI pigs while 3 Nos of lines needs EMAT Pigs as well. And honestly we have a great chance and support for winning this tender and tenders upcoming after. Considering the condition of oil and gas pipelines in Iran, there are Thousands Kilometers of aged and obsoleted pipelines which need to be inspected and Repaired or renewed and this is a fantastic Market Demand for your services which could be available for us with minimum difficulties and Mobilization. In order to facilitate you in this cooperation Kindly consider following items in your decision as parts of our offer if mutually agreed: 1. We will provide all your needs and requirements in Iran such as offshore vessels, general equipment, Tools and machinery, Simple and Technical Workers, Logistics, Catering, Hoteling, Transportation in Iran etc. 2. We will provide Bid bond and BGs in Iran 3. In fact, your obligations will be providing the Pigs and ILI tools, Expert Operational Personnel (4 Person Max), Execution, Leading and Monitoring of operation, Data Gathering and Analysis, Technical supports and preparing the Preliminary and Final Reports. Considering all above you don't have any direct connection with Iran. Herewith, your prestigious Company kindly requested to act as our partner to participate jointly in this tender and also future released tenders. Kindly be advised that we have 2 weeks for submission of PQ docs and regarding the Time limitation, your quick response would be highly appreciated. Hope that your interest in this matter starts a long term and satisfactory business relationship between both parties. Our Company profile is attached for your kind consideration. Trusting to have sufficiently informed you, should you require any further clarification please do not hesitate to share with me. Best Regards S. Seyyedmirza Arshia Petro Sanat M.E. BD and Marketing Manager

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