2009
DOI: 10.1016/j.apradiso.2009.05.015
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Assessment of weld thickness loss in offshore pipelines using computed radiography and computational modeling

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Cited by 9 publications
(4 citation statements)
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“…These techniques provide information about surface and near‐surface defects and about the effectiveness of cathodic protection systems for metallic structures. Ultrasonic (Iyer et al., ) and radiographic methods (Correa et al., ) can be applied to a wide range of materials and offer the capability to detect both external and internal defects. Acoustic emission (Sohn et al., ) methods can be used to monitor the progression of damage and estimate the corrosion in reinforced concrete structures.…”
Section: Introductionmentioning
confidence: 99%
“…These techniques provide information about surface and near‐surface defects and about the effectiveness of cathodic protection systems for metallic structures. Ultrasonic (Iyer et al., ) and radiographic methods (Correa et al., ) can be applied to a wide range of materials and offer the capability to detect both external and internal defects. Acoustic emission (Sohn et al., ) methods can be used to monitor the progression of damage and estimate the corrosion in reinforced concrete structures.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the additional effects of water and the need to send an unmanned vehicle to potentially very deep waters, the challenge in offshore pipeline radiography is much greater than for onshore pipelines. 171,172 Oceaneering's subsea radiography solution (Figure 26) is one of the few examples of current industry solutions for using radiographic techniques to detect subsea pipeline defects without needing access to the pipeline bore. Current research into radiographic techniques for subsea pipelines includes development of simulation packages to help predict and improve radiography in subsea conditions.…”
Section: Radiographymentioning
confidence: 99%
“…The parameter analyzed in the simulations was the absorbed energy in Image Plate detector by uncollided and scattered photons flux. In order to take into account the energy response of the BaFBr Imaging Plate detector, the methodology for digital radiography simulation developed by our group was utilized [3,[6][7][8]. This methodology uses an energy-dependent point-wise function to modify the chosen tally response to photon absorption rate (absorbed energy) in a BaFBr Imaging Plate system.…”
Section: Modeled Systemmentioning
confidence: 99%
“…Several non-destructive testing (NDT) have been applied by conventional industry, but very few have been adapted for offshore use. Computed radiography with Imaging Plate detectors is one of the most helpful techniques for the inspection of offshore pipeline [1][2][3][4]. In spite of this, due to the typically large diameters of offshore pipes, this kind of inspection is only viable when the Double Wall Single Image (DWSI) technique is used [1].…”
Section: Introductionmentioning
confidence: 99%