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Research Update April 2019
In line with the plan to complete the active Energy Pipeline CRC’s research projects by the end of April 2019, 6 projects were finalised in this month. The completed projects include two projects of research program 2: “Coatings and Corrosion” and four projects of research program 3: “Design and Construction”.
The final report of project ‘RP6.2-06: Assessing coatings for pipelines installed by HDD’ was published in late April. The project successfully achieved the outcome of developing a standard test method to evaluate the performance of HDD pipe coatings. A test rig was developed at Deakin University and was used to evaluate the gouge resistance behaviour of different HDD coatings. The data from the gouge tests at the different static loads allows the coatings to be ranked in terms of gouge performance which can assist the energy pipeline industry for coating selection during HDD installations.
Another completed project in this month is scoping study of “RP6.2-08: Subsea Pipelines Coatings Degradation”.
The project was planned to gain a greater understanding of the type, properties and degradation behaviour of sub-sea pipeline coatings. The final report of this project recognises the most commonly used subsea coatings. In addition, this study shows that there is limited information currently available concerning physical laboratory testing for degradation rates of the commonly used subsea external pipeline coatings in Australia. This supports the need for a testing program to produce results that can be used to better understand degradation mechanisms and the ultimate life of subsea pipeline external coatings used in Australia.
The two-part final report of project “RP3-10: Emerging Energy Sources and their Transportation” was published in early April. The outcomes of this research assist gas industry sector to identify the compositions, properties, and pipeline operating conditions of the most likely fluids. The research shows the potential safety issues with hydrogen and hydrogen/natural gas blends stem from the increased ease of ignition of hydrogen and less visible flames. The gap analysis also identified gaps in knowledge, and research needs related to pipeline design, operation, construction, safety, and environment, for the most likely pipeline fluids.
The project RP3-11C: “Gas pipeline vent design and operation- high voltage power lines” also was successfully completed in this month. The research was planned to assess the risks of ignition potential from powerlines during pipeline venting operations. The final report of this project shows that the sparks resulting from faulty power-lines are possible and they are capable of igniting the gas. This research provides guidelines for the placement of vents in pipeline design which assists industry with the risk assessment for pipeline venting in the vicinity of power transmission lines.