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PRCI PR-15-9507
- Assessment of NDT Needs for Pipeline Integrity Assurance II
- Report / Survey by Pipeline Research Council International, 01/01/1996
- Publisher: PRCI
$25.00$49.00
L51747e
Southwest Research Institute
Need: During the 10 years prior to this research project, a number of important research projects have been underway to extend the understanding of magnetic flux leakage inspection technology, to evaluate new corrosion detection technologies, and to seek solutions to the detection and characterization of other pipeline defects. Most of these projects are consistent with the recommendations of the 1986 NDT Needs report. That report also recommended the establishment of a "Center of Excellence" in pipeline inspection research. The dedication, in 1995, of the GRI Pipeline Simulation Facility (PSF) was the realization of that industry goal. The opening of the PSF suggested that it was time to revisit the questions and ideas that have guided research in pipeline integrity for the last 10 years. In light of the advances in smart pig design since then, it was appropriate to update the surveys and analyses that were part of the 1986 report and to make another statement of the industry's priorities and inspection needs.
Result: This project was done to reassess the industry's perceptions of NDT needs and to recommend areas of research pertinent to those needs. The project included two survey questionnaires-one sent to 41 pipeline operating companies, yielding 31 responses, and the other sent to 10 inspection vendors with 9 responses. The surveys covered pipeline integrity issues, NDT technologies, and the perceptions of both operators and vendors regarding the need for new or improved inspection capabilities. The survey responses showed the four most important pipeline integrity issues to be (in order of priority):
Corrosion
Coating failure
Mechanical damage (third-party damage)
Stress-corrosion cracking
While acknowledging that some improvements could be made, the industry expressed general satisfaction with current in-line inspection (ILI) systems except for the crack pig, which they said needs significant improvement and which they feel is too expensive for use except in critical applications. They had similar opinions of the cost of the mapping pig, though to a lesser degree than for the crack pig. A question regarding conventional versus high-resolution corrosion inspection drew the response that although high-resolution tools are recognized for superior performance, there will always be a need for both classes of tools.
Benefit: Results of the surveys are discussed in detail, and conclusions drawn
from the survey responses are presented. The report then concludes with recommendations for the direction of research to be sponsored by PRCI to meet the needs expressed by the survey respondents.
Southwest Research Institute
Need: During the 10 years prior to this research project, a number of important research projects have been underway to extend the understanding of magnetic flux leakage inspection technology, to evaluate new corrosion detection technologies, and to seek solutions to the detection and characterization of other pipeline defects. Most of these projects are consistent with the recommendations of the 1986 NDT Needs report. That report also recommended the establishment of a "Center of Excellence" in pipeline inspection research. The dedication, in 1995, of the GRI Pipeline Simulation Facility (PSF) was the realization of that industry goal. The opening of the PSF suggested that it was time to revisit the questions and ideas that have guided research in pipeline integrity for the last 10 years. In light of the advances in smart pig design since then, it was appropriate to update the surveys and analyses that were part of the 1986 report and to make another statement of the industry's priorities and inspection needs.
Result: This project was done to reassess the industry's perceptions of NDT needs and to recommend areas of research pertinent to those needs. The project included two survey questionnaires-one sent to 41 pipeline operating companies, yielding 31 responses, and the other sent to 10 inspection vendors with 9 responses. The surveys covered pipeline integrity issues, NDT technologies, and the perceptions of both operators and vendors regarding the need for new or improved inspection capabilities. The survey responses showed the four most important pipeline integrity issues to be (in order of priority):
Corrosion
Coating failure
Mechanical damage (third-party damage)
Stress-corrosion cracking
While acknowledging that some improvements could be made, the industry expressed general satisfaction with current in-line inspection (ILI) systems except for the crack pig, which they said needs significant improvement and which they feel is too expensive for use except in critical applications. They had similar opinions of the cost of the mapping pig, though to a lesser degree than for the crack pig. A question regarding conventional versus high-resolution corrosion inspection drew the response that although high-resolution tools are recognized for superior performance, there will always be a need for both classes of tools.
Benefit: Results of the surveys are discussed in detail, and conclusions drawn
from the survey responses are presented. The report then concludes with recommendations for the direction of research to be sponsored by PRCI to meet the needs expressed by the survey respondents.
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