Relevant bibliographies by topics / Pipe Inspection Gauge (PIG)

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Academic literature on the topic 'Pipe Inspection Gauge (PIG)'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Pipe Inspection Gauge (PIG)"

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Zhou, Faqi, Haoye Lin, Ying Zhang, Suyang Zhao, Shuangcheng Fu, and Hui Zhang. "Analysis via 3D FEM of the Passing Capacity of Pipeline Inspection Gauges in Bends with Different Curvatures." Processes 11, no. 12 (2023): 3288. http://dx.doi.org/10.3390/pr11123288.

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Pipeline inspection gauges easily become wedged in offshore and onshore small-diameter pipelines (where the outer diameter, D, of the pipe is less than 150 mm), particularly at the bends. To reveal the relationship between PIG capacity and bend curvature radius, a quantitative study on the passing capacity of PIG was conducted in this paper from three key perspectives of performance: safe application, sealing, and driving. The results demonstrate that the pipeline inspection gauge exhibits better passing capacity as the curvature radius of the bend increases. To improve the poorest passing cap
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Zhang, Liang, Jiawei Zhou, and Honggang He. "Modeling and Simulation of Pigging for a Gas Pipeline Using a Bypass Pig." Mathematical Problems in Engineering 2020 (July 15, 2020): 1–12. http://dx.doi.org/10.1155/2020/2047352.

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The pipeline inspection gauge (PIG, lowercase pig is commonly used) with a bypass valve is widely used in pipeline inspection because it operates at a low speed without reducing the flow rate. Understanding the dynamics of a bypass pig in a gas pipeline would contribute to the design of the pig and the control of pig speed. This paper deals with the dynamic model for the process of a bypass pig travelling through a hilly gas pipeline. The method of characteristics (MOC) is used to solve the equations of unsteady gas flow. The backward flow of the gas in the bypass valve and pipe is shown by a
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Dr., Shadrack Mathew Uzoma, M.Ojapah M., and A. Briggs T. "Design and Analysis and Cost Imperative of A Prototype Pig Launcher for Upstream Oil Sector." International Journal of Engineering Research & Science (IJOER) 10, no. 3 (2024): 01–09. https://doi.org/10.5281/zenodo.10899945.

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<strong><em>Abstract</em></strong><strong>&mdash;</strong> <em>This research is on design of and fabrication of a single barrel pig launcher. A 14 inches diameter pipe was used for the main launcher barrel and a 10 inches diameter pipe used for the minor barrel. These parts were joined by welding processes. Components such as signaler, vent, drainer, pressure gauge, eccentric reducer, etc, were welded alongside the pipe. The launcher was designed to withstand fluid pressure of 200bar and also accommodate a single pig during launching operation. Solid cast pig was employed and launcher designed
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Nguyen, Hoa-Hung, Jae-Hyun Park, and Han-You Jeong. "A Simultaneous Pipe-Attribute and PIG-Pose Estimation (SPPE) Using 3-D Point Cloud in Compressible Gas Pipelines." Sensors 23, no. 3 (2023): 1196. http://dx.doi.org/10.3390/s23031196.

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An accurate estimation of pipe attributes, pose of pipeline inspection gauge (PIG), and downstream pipeline topology is essential for successful in-line inspection (ILI) of underground compressible gas pipelines. Taking a 3D point cloud of light detection and ranging (LiDAR) or time-of-flight (ToF) camera as the input, in this paper, we present the simultaneous pipe-attribute and PIG-pose estimation (SPPE) approach that estimates the optimal pipe-attribute and PIG-pose parameters to transform a 3D point cloud onto the inner pipe wall surface: major- and minor-axis lengths, roll, pitch, and yaw
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Mishra, Devesh, Krishna Kant Agrawal, Ali Abbas, Rekha Srivastava, and R. S. Yadav. "PIG [Pipe Inspection Gauge]: An Artificial Dustman for Cross Country Pipelines." Procedia Computer Science 152 (2019): 333–40. http://dx.doi.org/10.1016/j.procs.2019.05.009.

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Tan, Gui Bin, Shi Min Zhang, and Xiao Xiao Zhu. "Design of the Speed Regulating PIG with Butterfly Bypass-Valve." Advanced Materials Research 201-203 (February 2011): 429–32. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.429.

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Foreign development regarding devices for speed regulating of in-pipe robot inspection has been commercially applied in gas pipeline this decade, however, the results of theoretical and structural research on bypass device were scaled in and abroad after the research of literature. First, this paper deals with the new structure of a butterfly bypass-valve, the basic parts and working principle on this speed regulating unit. The using of a butterfly disc in bypass-hole of PIG (pipeline inspection gauge) can achieve a speed regulating purpose in bypass-PIG. Next, the theoretical model of pressur
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John, Binil, and M. Shafeek. "Pipe inspection robots: a review." IOP Conference Series: Materials Science and Engineering 1272, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1757-899x/1272/1/012016.

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Pipelines are one of the safe and most economical ways of transporting fluid matters in industries and households. These pipelines get deteriorated due to aging, internal and external corrosion, and so on. This may cause fluid leakages and may contaminate the environment. So, pipelines are inspected regularly to maintain proper functioning and cost-effectiveness. In-pipe inspection robots (IPIR) that move inside pipelines are widely used to carry out inspection operations. IPIR along with visual and other r non-destructive tests (NDT) are proven to be useful compared to manual inspection. Whee
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He, Honggang, and Zheng Liang. "Speed Simulation of Pig Restarting from Stoppage in Gas Pipeline." Mathematical Problems in Engineering 2019 (February 7, 2019): 1–10. http://dx.doi.org/10.1155/2019/4036253.

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Pigging is a common operation in the oil and gas industry. Because of the compressibility of the gas, starting up a pipeline inspection gauge (pig) from a stoppage can generate a very high speed of the pig, which is dangerous to the pipe and the pig itself. Understanding the maximum speed a pig achieves in the restarting process would contribute to pig design and safe pigging. This paper presents the modeling of a pig restarting from a stoppage in gas pipeline. In the model, the transient equations of gas flow are solved by method of characteristics (MOC). Runge-Kutta method is used for solvin
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He, Honggang, Zheng Liang, and Yishan Guo. "Inlet pressure simulation of pigging in uphill gas pipeline." Mechanics & Industry 20, no. 4 (2019): 406. http://dx.doi.org/10.1051/meca/2019020.

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Pipe cleaning is a common operation in the oil and gas industry. In this paper, the governing equation of the pipeline inspection gauge (PIG, lowercase pig is commonly used) speed is combined with the gas flow equations. The method of characteristics (MOC) is used to solve the transient equations of gas flow. And the process of a pig passing over an uphill section of a gas pipeline is simulated. The results indicate that a pig may get stuck in uphill gas pipeline, due to the coupling of the gas and the pig. Under these circumstances, a higher pressure of the upstream could be helpful for drivi
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Li, Rui, Maolin Cai, Yan Shi, Qingshan Feng, Shucong Liu, and Xiaoming Zhao. "Pipeline Bending Strain Measurement and Compensation Technology Based on Wavelet Neural Network." Journal of Sensors 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/8363242.

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The bending strain of long distance oil and gas pipelines may lead to instability of the pipeline and failure of materials, which seriously deteriorates the transportation security of oil and gas. To locate the position of the bending strain for maintenance, an Inertial Measurement Unit (IMU) is usually adopted in a Pipeline Inspection Gauge (PIG). The attitude data of the IMU is usually acquired to calculate the bending strain in the pipe. However, because of the vibrations in the pipeline and other system noises, the resulting bending strain calculations may be incorrect. To improve the meas
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Book chapters on the topic "Pipe Inspection Gauge (PIG)"

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Takagi Toshiyuki, Urayama Ryoichi, Ichihara Toshiaki, Uchimoto Tetsuya, Ohira Taku, and Kikuchi Takayoshi. "Field Application of Electromagnetic Acoustic Resonance to Inspection of Pipe Wall Thinning in a Nuclear Power Plant." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-354-4-312.

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Electromagnetic acoustic resonance (EMAR) with &amp;ldquo;superposition of the nthcompression&amp;rdquo; signal processing was applied to measure the thickness of pipes in nuclear power plants and to assess its feasibility. Thickness values evaluated by EMAR agreed well with those obtained using an ultrasonic thickness gauge. In addition, as a non-contact measurement method, EMAR decreases measurement times of pipe inspections in nuclear power plants.
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Kosaka Daigo, Tabata Hiroki, Nakamoto Hiroyuki, and Kojima Fumio. "Exact Pipe Wall Thinning Management with Flow Accelerated Corrosion using Electro-Magnetic Acoustic Transducer." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2012. https://doi.org/10.3233/978-1-61499-092-5-236.

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This paper describes quantitative nondestructive evaluations of wall thinning in power plants by electro-magnetic acoustic transducers (EMAT). Among Japan's aging plants, their inspections and costs are increasing. Therefore, Interest is currently focused on continuous monitoring to the plants in operation. Inspection using EMAT is suitable for the continuous monitoring, because EMAT itself is attracted on the pipe. In this paper, we tested corrosion shapes of straight pipes which were machined to simulate flow-accelerated corrosions. Additionally, we measured thicknesses of an elbow pipe. The
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Cho S.H., Yoo H.Y., Kim D.K., et al. "Development of Strong Magnetizer and Robust Sensor Mount System to Increase Performance in Detecting Defects on Pipeline." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-023-0-337.

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In-Line Inspection (ILI) with MFL tool and Ultrasonics tool is the best and prevailed technology to inspect integrity of buried pipelines. KOGAS developed MFL tool named KogasMFL (ver 1.0) consists of MFC (Magnetic Flux Circuit) module, DAS (Data Acquisition System) module connected by universal joint in 2004, and data analysis system through the field experiments using artificial defects to implement ILI on pipeline owned by KOGAS. But we decided to develop an alternative design to increase performance in piggability and robustness, grow up magnetic flux strength applied to pipe wall, and mad
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Conference papers on the topic "Pipe Inspection Gauge (PIG)"

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Shamblin, Terry R. "Intelligent Pig Inspection, Evaluation & Remediation of Uncoated Seamless Pipelines." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99539.

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Abstract Many gas pipelines in operation in the United States today were constructed prior to coating and cathodic protection (CP) current practices. A number of these vintage pipelines had no coating and had CP installed long after their construction thus allowing initial corrosion growths. With continual public and industrial growth and development on and around these pipelines, plus normal maintenance, there is a need to conduct periodic integrity assessments to insure public safety and maintain pipeline efficiency. One of the best tools currently available to measure or gauge pipeline inte
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Ulrich, Lloyd W. "Dot’s Perspective on In-Line Inspection." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96053.

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Abstract The Department of Transportation and its Office of Pipeline Safety have been involved with in-line inspection (ILI) pigs since the construction of the Alaska crude oil pipeline in the early 1970s. Two Congressionally mandated reports concerning ILI pigs and a regulation requiring new and replaced pipe and components to be designed and constructed to accommodate ILI pigs have been issued by the Department. Although there is no present federal requirement to run ILI pigs, they are required by the Office of Pipeline Safety in selected compliance cases. The Department will continue to use
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Adinandra, Sisdarmanato, Unggul Priambodo, Mohamad Rohmannuddin Yusuf, and Hasbi Nur Prasetyo Wisudawan. "A Low Cost Pipeline Inspection Gauge for Pipe Thickness Using Eddy Current Instrumentation System." In 2024 11th International Conference on Information Technology, Computer, and Electrical Engineering (ICITACEE). IEEE, 2024. https://doi.org/10.1109/icitacee62763.2024.10762822.

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Rust, Steven W., Patrick H. Vieth, Elden R. Johnson, and Michael L. Cox. "Quantitative Corrosion Risk Assessment Based on Pig Data." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96051.

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Abstract In-line inspection of underground pipelines for corrosion damage using “smart” pigs is now quite common. With the advent of high-resolution pigs that can identify large numbers of potential anomalies, more sophisticated methodologies are required for interpreting the results of an in-line inspection. Of particular interest is the probability that the depth of corrosion in a particular location exceeds a critical depth defined by the local pipe characteristics and maximum operating pressure. In this paper, a Bayesian statistical methodology for determining the probability that corrosio
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de Raad, J. A. "Experience with Cable-Operated Ultrasonic Pigs for Pipeline and Riser Pipe Inspection." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95028.

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Abstract In order to establish the integrity of ageing pipelines, the use of self contained intelligent pigs has become of increasing interest. For several decades, pigs using magnetic flux leakage (MFL) were the only tools available on the market for this purpose. Over the past decade also ultrasonic pigs have been developed. [1] (Off)loading lines and open risers often only provide single sided access and are not equipped with pig launch-and receive traps. For this category of pipelines, RTD developed cable operated ultrasonic pigs. This paper provides an overview of the possibilities of suc
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Herpin, Daniel S. "Pipeline Efficiency & Integrity Assessment through Cleaning & in-Line Tool Inspection." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99526.

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Abstract Pipeline efficiency and integrity are critical factors in the cost effective and prudent operation of a gas transmission company. Factors that hinder efficiency are deposits such as sand, silt, glycol, oil, and iron sulfide, which adheres to the pipe wall. These factors are directly related to friction loss; therefore, more expenses are incurred in compression fuel consumption. Through thorough cleaning, three objectives can be achieved. The first objective is to clean the system for increased efficiency; the second is to thoroughly inspect the system for assurance of pipeline reliabi
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Shankar, Vignesh, and Emer Flounders. "Case Studies on Application of Indirect Inspection Technology and Methodology in Municipal Water and Wastewater Systems." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-21056.

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Abstract Indirect inspection surveys have successfully inspected piggable and difficult to pig buried onshore Oil and Gas steel pipelines for decades. Indirect inspection methodologies such as ACVG, DCVG, CIS, GPS, leak detection, and DOC have aided oil and gas pipeline operators to monitor the health of their assets and completing mitigation to ensure their assets are functioning as per design, standards, and code. There has been extensive continuous improvement in monitoring oil and gas pipelines using indirect inspection technology. The water and wastewater pipelines have varying pipe mater
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Piccardino, J. R., M. Stuvik, Y. Gunaltun, and T. Pornthep. "Internal Inspection of Wet Gas Lines Subject to Top of Line Corrosion." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04354.

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Abstract The Bongkot field is a high CO2 (&amp;gt;20%) wet gas field located in the Gulf of Thailand. Thirteen infield carbon steel sea lines are laid in 80 meters of water. The lines sizes are 14” to 22”. Almost 2/3 of the lines circumferences remain in contact with sea water; 1/3 buried on the sea bed by natural burial. The average flowing temperature at wellhead is about 90°C but declines rapidly to almost ambient temperature after a few kilometres. The major part of heat transfer through the pipe wall takes place along the first 500 meters after touch down. Due partial line burial, heat ex
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Prewitt, T. J. "Application of 3D Metrology Technology in Inspection, Corrosion Mapping, and Failure Analysis." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07672.

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Abstract Three dimensional (3D) optical measurement systems have seen ongoing development with regards to both technologies and applications. While previously targeted primarily toward manufacturing and quality control environments, significant benefits have been recognized for utilizing precision optical metrology systems across the oil and gas industry. Specific applications have developed in field and facility defect assessment and mapping, NDE services, failure analysis, evidence preservation, and forensic reconstruction. This paper presents recent work and research comparing 3D laser scan
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Russell, D. A., B. Snodgrass, and J. Lawson. "A Technique for the Assessment of Pipeline Internal Corrosion by the Measurement of Cleaning Pig Vibration." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05136.

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Abstract The use of Intelligent Pigs to survey pipelines as part of pipeline integrity management has become almost routine in the oil and gas industry. The now mature pipeline infrastructures of the world, together with more prescriptive regulatory regimes, is likely to lead to increasing needs of such inspections with the attendant increase in demand for methods of economical inspection to provide corrosion data for those lines that currently may not be accessible using conventional intelligent pigs. A new industry sponsored study in the form of a Joint Industry Project has been undertaken a
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Reports on the topic "Pipe Inspection Gauge (PIG)"

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Unknown, Author. L51658 Subsea Pig Recovery Concepts. Pipeline Research Council International, Inc. (PRCI), 1991. http://dx.doi.org/10.55274/r0010603.

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The technology and procedures for the inspection of pipelines from offshore production and process facilities to shore or other offshore installations has developed rapidly in recent years. This rapid development can be attributed to several factors including pipeline operators protecting their investment in their lines, heightened environmental protection concerns, and increasing regulatory requirements. A limited number of the offshore pipeline systems in the U.S. currently include the ability to inspect the trunkline using either an ultrasonic or magnetic particle inspection pig. This pig i
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Bala. L51600 Engineering Critical Assessment of Girth Welds in Small Diameter Pipe. Pipeline Research Council International, Inc. (PRCI), 1989. http://dx.doi.org/10.55274/r0010101.

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Transmission pipeline girth welds are fabricated and inspected to rigorous material standards such as API 1104, CSA Z 184 and BSI 4515. These standards contain weld defect acceptance levels based on good workmanship criteria and have been arrived at on the basis of traditional welding and inspection practices. In certain instances, defects that do not meet the workmanship standards have been accepted on the basis of an engineering critical assessment (ECA) using the British Standard PD 6493 assessment technique. The use of ECA is now being incorporated into the pipeline codes. Four girth welds
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Alexander, Chris, and Chantz Denowh. PR-652-195104-R01 Development of Heavy Wall ILI Test Samples. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011680.

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Guidance is needed for the pipeline industry's in-line inspection (ILI) technologies as current industry practices address mainly thin-wall pipe specifications as well as spool and defect design. Heavy-wall pipe is mostly found in subsea applications where the predominant threats are internal; however, external defects cannot be discounted. Nondestructive evaluation (NDE) sensing technologies for heavy-wall pipe often have very different specs for examining external versus internal features. The end uses for ILI technologies in the heavy-wall subsea applications often put a premium on low limi
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Unknown, Author. WINMOP-R03 Performance of Offshore Pipelines. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0011744.

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The objective of the project was to validate existing pipeline integrity prediction models through field testing multiple pipelines, validate the performance of in-line instrumentation through smart pig runs, and finally, to assess the actual integrity of aging damaged and defective pipelines. The objectives were accomplished by the testing of aging out-of-service lines using "smart pigs", followed by hydrotesting of the lines to failure, recovery of the failed sections, and determination of the pipeline characteristics in the vicinity of the failed sections (failure analysis). One objective o
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