Tài liệu PIPELINE PIGGING TECHNOLOGY- P13 doc

Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. [...]... total pipeline condition, determine which dents, wrinkles, or wall thinning need to be replaced to maintain system integrity 363 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology REFERENCES P.St.J.Price, R.L.Wade and HAAnderson, 1990 Pipeline geometry pigging: data acquisition, data management and structural interpretation Presented at the Pipeline Pigging. .. be seen 355 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology Fig.4 356 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm High-accuracy calliper surveys Fig.5 357 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology Fig.6 358 Please purchase PDF Split-Merge on www.verypdf.com to remove... the dent, ovality or other feature Profile section: plots the readings from each of the calliper sonars within a section of pipeline as it transits the pipeline Each sonar reading is plotted 353 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology relative to a theoretical horizontal line that would represent a point on a circle The plotted deviations... Occidental in 1978 on the 18-in gas pipeline between Piper Alpha and MCP-01 Illustrated in Fig.2, it was made from a 365 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology Fig.1 North Sea wye locations 366 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Recent advances in piggable Y design Pipelines Operator Product Size (inches)... Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology Fig.2 Wye piece machined from a forged block 368 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Recent advances in piggable Y design Fig.3 Cast or forged wye 369 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm Pipeline Pigging Technology they pass through the junction The... may be selected as a criterion for those features that are included in the summary Curve As part of the Dent mode there is also the ability to plot the curvature of the pipeline The ratio of the detected bend in the pipeline to the pipeline radius is indicated as potential strain according to the formula: 352 Please purchase PDF Split-Merge on www.verypdf.com to remove this waterm High-accuracy calliper... in field development is discussed Regarding design, this paper reviews the designs that have been used to date, the pigging tests which were carried out on them, and operators' experiences of pigging them in practice Based on recent work on the design of wyes for two high-pressure gas pipelines, this paper goes on to suggest ways of improving present designs to make them lighter and more easily manufactured... deviations from this line represent the magnitude of the dent, ovality or other feature Round section: plots each set of sonar readings within a section of the pipeline at a distance or time along the pipeline The view is as if looking in the end of the pipeline at the end of the section Each sonar reading is plotted as a residual from a circle Contour section: is similar to the Thermal section, except that... for that menu Thermal: depicts a section of the pipeline in a selectable colour scheme Each calliper sonar reading in the window area is colour plotted as a function of its residual value from a circle on each scan line and for the display width Cross section: plots all sonar ring readings within a section of the pipeline at a distance or time along the pipeline (scan line) Each sonar reading is plotted... 16-in Vestefrikk and Oseberg C pipelines to OsebergA This reinforces the marked trend for those, such as Occidental and Statoil, who already have wye junctions, to install more Two further operators are to install wyes, both of them largediameter One is to be inserted in the 32-in Frigg to MCP-01 gas pipeline for the Total Bruce project, and the other in the 30-in Beryl pipeline by Mobil As shown in