Pipeline coating inspection technology
Using the international advanced technology detection method (PCM buried pipeline current mapping technology), the completion of the new soil pipe back to the final acceptance, to ensure that the pipeline construction from the beginning that is in good condition. Completed to obtain complete information, and in the scientific monitoring under the operating pipelines for the regular monitoring of routine, can be found in pipeline coating damage point outside the position and frequency of problems for urgent rectification point of repair, to ensure that the pipeline security operations and projections of aging pipeline coatings, pipe service life and so on. In the establishment of catholic protection stations before and after, for the protection of the pipeline coating testing and repairing abnormal pipe, can guarantee negative security current normal distribution, to prevent less protection or excessive protection current caused by coating peeling off phenomenon . Yin does not work on the security station, through the detection and analysis of the system can find the crux of failure. According to the latest oil and gas industry standards promulgated by the provisions of section VIII SY/T5922-2003 (excerpt):
8.4.4.1 New pipelines should be carried out within a year of general inspection, pipeline running under the security situation after 1 year -3 years of testing time.
8.4.4.2 New pipelines should be a comprehensive test in 3 years, after the pipeline runs under the security conditions for the comprehensive testing period, no more than 8 years.
Buried pipeline coating monitoring system features
1 in the case without excavation, identifies the specific pipeline direction, depth and distance.
2 infect pipeline coating condition.
3 test the effectiveness of catholic protection system.
4 determine the direction of the current function of the normal channels of non-overlapping.
5, high-performance pipeline locator.
6 super anti-jamming capability.
7 directly on the computer imaging
8, with specialized processing software, anti-corrosion layer coating insulation resistance calculated.
9, ultra-low frequency ultra-high-power transmitters DC, a 30 km could be detected, especially for long-distance pipeline detection.
Data Processing System pipeline coatings
Coating inspection data processing system is introduced by ZhongTuo integrated treatment of the collected data to draw the right conclusions of the assessment of software support systems. The data processing system form the graphic intuitive and clear. Through a large number of practical applications demonstrate the effectiveness of the system for data processing and reliability. The system can detect the respective foreign trade data entry, data entry pipes, fault location, coating insulation resistance Rg calculations and results into a graph, comparing the frequency and time comparison, data report printing.
Division of Billiton by detection of Zhongyuan Oil Field, Daqing Oil Field and other places for long-distance pipelines and pipeline applications, and achieved good results, has been widely recognized.
System features:
1, high-performance underground pipeline detector can accurately measure the pipe on the ground signal current.
2, support the "detection of buried pipeline coatings for computer data processing system"
3, can accurately locate damage and to determine the severity of position.
4, on the full range of test piles, pile corner accurate statistics.
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