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- Title
UPLIFTING THE STUDY OF THE INLINE INSPECTION TECHNIQUE ON THE BUCKLING PIPELINES IN PIPELINE INTEGRITY MANAGEMENT STRATEGY.
- Authors
Soelistiyono, Dony; Soedarsono, Johny Wahyuadi; Munir, Badrul; Oktavianes, Michael; Setiawan Kaban, Agus Paul; Aribowo, Sidhi; Iskandar, Dedy
- Abstract
This work reports the development of inline inspection (ILI) methodology to enhance the pigging activity for the dented pipeline, facilitate the pigging process to prevent Pipeline Inspection Gauge (PIG) from getting stuck and improve the safety passage for buckled pipelines. The recent report unveils the condition of the UNPIGGABLE pipelines, which reduce the inner diameter of pipelines to 257.51 mm, equivalent to 27.58 % of the initial diameter and restricts the pigging activity. In this report, the pull-through test coupled with the collapsibility test was conducted. The success of the test above allows the ILI equipment based on the magnetic flux leakage (MFL) technique to record the internal and external wall loss inwardly and geometric defect on diameter of the pipelines. The prepared artificial dented pipeline was made before it underwent several tests. Based on the pullthrough test, the maximum force of 27000 N is more significant than the pipeline operating pressure to enable the MFL tool to pass through the pipelines despite exhibiting the geometry anomaly. Compressing the opposite magnetic yoke of the collapsibility test is critical, showing that the ILI MFL tool reaches its maximum compression of 242 mm. The value is lower than the minimum internal diameter of 257 mm. The ILI results show that the highest metal loss was achieved at 73 % at 15504 m at the bottom of the inspected pipelines. At the same time, the dented area reduces to more than 6 % of the pipelines’ nominal outer diameter and imposes the pipe’s integrity status to red. The distinctive result of the research can be used to model the future unprecedented pigging process when buckles appear in pipelines
- Subjects
MAGNETIC flux leakage; PIPELINE inspection; EXTERIOR walls; PIPELINES
- Publication
Eastern-European Journal of Enterprise Technologies, 2024, Vol 128, Issue 1, p73
- ISSN
1729-3774
- Publication type
Article
- DOI
10.15587/1729-4061.2024.301542