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We provide expertise in the field of Hazardous production facility safety as well as  a full range of diagnostics of non-destructive testing in compliance with adopted standards:

  • Visual and dimensional inspection;
  • Penetrant non-destructive testing;
  • Metal magnetic memory testing;
  • Сontactless magnetometric diagnostics (CMD);
  • Magnetic powder testing;
  • Ultrasonic testing;
  • Acoustic emission control;
  • Thermo-vision examination;
  • Vibration-based diagnostics.



We provide expert examination of the following equipment:    

  • Tanks and pressure vessels with or without internals, operated by pressure, vacuum, loading;
  • Column equipment and reactor engineering;
  • Heat exchangers of different types;
  • Horizontal and vertical oil and fuel storage tanks;
  • Baloon and isometric tank cisterns;
  • Cryogenic containers and pipes;
  • All categories of Industrial conduits;
  • Steam boilers and hot-water boilers;
  • Heat network pipes;
  • Installations of air separation;
  • Technological furances;
  • Pumps and compressors;
  • Main conduits.


We offer the following services:       

  • Technical diagnostics of technical equipment on hazardous industrial objects chemical, petrochemical and oil and gas industry;
  • Technical audit of readiness of oil processing facilities for prolonged runs between major overhauls;
  • Acoustic emission testing:
      • to test  pressure  conduits and vessels;                                
      • to detect progressing dangerous equipment defects;
      • to assess the danger level of the defects revealed by other methods of non-destructive testing;  
      • in on-stream equipment monitoring.  
  • Acoustic emission technology in the enterprise risk management monitoring program (API 580/581 «RiskBasedInspection»);
  • Assessment of defective equipment operational capability based on standard API 579-1/ASME FFS Fitness-For-Service - 2007;
  • Examination of corrosion in processing facilities, development of corrosion tables and equipment corrosionprevention measures;
  • Designand development ofcorrosion monitoring systemfor processing facilities;
  • Development of optimization programs for technical expertise, audit and examination of equipment and installations based on API 580/581 «RiskBasedInspection» standards.

Comprehensive Inspection:

Description of methods

Acoustic emission (AE)

  • Quickly estimate 100% of the surface
  • Identify developing defects that threaten structural integrity
  • No access to the entire surface of the control object is required
  • Placement of several sensors in strategically important locations

Method of magnetic memory of metal (MMM)

  • Definitions of stress concentration zones, defects, heterogeneity of metal structure and welded joints
  • Contact and non-contact method


  • Assessment and monitoring of identified defects
  • Portable system
  • Hermetically sealed valves

Ultrasonic thickness checks and electromagnetic-acoustic thickness checks

  • Detection of structural heterogeneity
  • Determination of values of corrosion wear
  • Control at high temperatures
  • No cleaning and surface preparation required

Thermo-vision examination

  • Registration of changes in thermal or temperature fields of controlled objects caused by defects


  • Software for calculating the stress-strain state of pipelines
  • Software for calculating equipment
  • Software for calculating the consequences of accidents and incidents (Toxi-Risk)

Underground and aboveground sections of pipelines

MMM - Detection of problem areasMethod (MMM) is a method based on the registration and analysis of the distribution of intrinsic magnetic scattering fields on the surface of products with the purpose of determining zones of stress concentration, defects, heterogeneity of metal structure and welded joints. Contactless magnetometric diagnostics (CMD) for pipes located under ground or under water.Acoustic emission (AE) and UNISCOPE - Evaluation of defects in stress concentration zones is determined by the presence of a dangerous defect. By means of the AE method, the risk of a defect is assessed.

Underground inspection of valves, latches, tees

Zones unavailable for pigging diagnostics
  • Valves, elbows, corners, bends, tees
  • Large oil and gas pipelines
  • Process pipelines
  • Camera launching and receiving pigging shells
  • Equipment of compressor stations
  • Vessels, tanks, apparatus
  • Stop valves
  • Transitions of diameters

NON PIGGABLE (not available for control) camera start/reception, bypasses

Inspection by the method of magnetic memory of metals

  • Defects of the fastening mechanisms and joint hinges and 100% inspection of welded joints.

AE Inspection + UNISCOPE

  • Detect leakproof cover
  • Detection of leakage
  • Prevention of leakage

AE Inspection + A-Line 32D

  • 100% inspection of main metal and welds
  • Inspection of underground / aboveground pipelines
  • Bypass inspection

Acoustic emission inspection during operation

    In accordance with the traditional AE control technologies used in the European Union, the United States, Russia and other countries, AE control is carried out under hydro- or pneumatic tests. To conduct the tests, it is necessary to stop the installation (or the corresponding technological unit), turn off the equipment, fill the equipment with water (during hydrotesting). These works are related to downtime of installations, they require significant organizational and financial costs.

    At the same time, it is allowed to carry out AE control at the operating mode, provided that the technological process allows exceeding the pressure in the tested equipment by not less than 5-10% of the operating pressure according to the technological regulations. With AE control at the operating mode with a pressure increase of 5 to 10%, the main difficulties are related to the need:

   a. installation of waveguides (for equipment operating at wall temperatures above 70 ° C);

   b. filtration of technological noise to isolate the signals of "true acoustic emission" (AE from developing defects).

    The need for filtering technology noise significantly (2-3 times) increases the complexity of the interpretation of the results of AE monitoring compared to AE monitoring during hydro or pneumatic tests.    However, the main problems of carrying out AE control at the operating mode are that the technological process, as a rule, does not allow exceeding the pressure in the tested equipment by 5-10% of the working pressure according to the technological regulations. The AE method can also be used in this case, however, there are no prescribed methods for collecting and processing AE information, there is no risk assessment of AE sources at constant operating mode.

   "The technique of acoustic emission control in the operation of vessels (in the operating mode), when the technological process does not allow changing the working pressure" is KNOW-HOW company "Diagnostics and Risk Analysis".