SPINAV is a recently completed 1-year subsea technology development project, transitioning the next generation of autonomous systems for underwater robotic vehicles into a prototype demonstrator for the offshore oil industry. It is funded as a…
The aim of the paper is to give an overview of an autonomous underwater vehicle (AUV) developed by Temasek Polytechnic for pipeline tracking. Besides mechanical design, it is demonstrated that measurement and actuation task require during…
Underwater robots have had a significant contribution in the inspection, maintenance and repair of underwater structures related to the power and oil industry. Underwater robots have a big potential application in Mexico due to, the two federal…
Oil and gas pipelines are inspected for corrosion using magnetic flux leakage (MFL) inspection tools. It has been found that varying line pressure, bending or residual stresses cause changes in the MFL signals. Changes in the amplitude are thought to…
Guided ultrasonic wave is a new non-destructive pipe inspection technology for its rapid, long distance inspection. It can be used to inspect urban pipes, for example, residential drinking water pipe, natural gas pipe, heating pipe, sewage pipe. Most…
For the detection of cracks and corrosion in pipelines an ultrasonic measuring system (pig) was developed. During the pipeline inspection there is no communication to the outside world, the accumulated data have to be stored on a mass storage device.…
It is predicted that by 1980 there will be some 150 steel platforms and over 50 concrete platforms permanently installed in the North Sea to serve the oil industry. Nearly all of these structures will be in water deeper than 30 meters, with some at…
The MID-K, a new kind of multi-pipe string detection tool is introduced. This tool provides a means of evaluating the condition of in-place pipe string, such as tubing and casing. It is capable of discriminating the defects of the inside and outside,…
A demonstration of online real-time signal processing and cross correlation of two data streams is described. The demonstration is used to distinguish between near and far-side corrosion pit signals obtained by magnetic flux leakage detectors used in…
In recent years, research focused on (semi)automatic radiographic inspection methods has gained more attention. The present work proposes a method for detecting defects in radiographic images of welded joints of oil pipes. Real condition images…
This research has been motivated by the need for a reliable, robust, and cost-effective tool for internal pipe inspection with application to preventive and predictive maintenance. A new design for a visual inspection system for the interior of water…
In this paper, is presented the general approach of both thickness gauging and stress magnitude testing over a long distance of the pipeline by ultrasonic guided waves with increased precision and reliable results. We increase the precision by dint…
Well casing integrity is vital for the safe operations of oil wells, and also significant to detect well casing defects. Magnetic flux leakage (MFL) detection technology is widely-used in detecting the defects of various pipelines. Owing to the very…
Well casing integrity is important for the safe operations of oil wells, and is of great significance to detect well casing defects. Magnetic Flux Leakage (MFL) Detection Technology is widely used to detect the defects of various pipelines. Because…
For the detection of cracks and corrosion in pipelines an ultrasonic measuring system (pig) was developed. During the pipeline inspection there is no communication to the outside world, the accumulated data have to be stored on a mass storage device.…
The magnetic flux leakage (MFL) method has established itself as the most widely used in-line inspection technique for the evaluation of gas and oil pipelines. The MFL data obtained from seamless pipeline inspection is usually contaminated by the…
In non-destructive testing and evaluation, the microwave-based synthetic aperture radar (SAR) imaging have shown great potential in the detection of defects on buried objects such as pipes. However, due to the pipe curvature and high stand-off…
More than three million kilometers of high pressure liquid and gas pipelines are installed all over the world. Generally steel pipelines provide the safest means to transport large quantities of oil, oil related products and natural gas. However,…
The present work shows the development of both a pulse-receiver circuit and acquisition circuit prototypes of ultrasonic signals for the measurement of thickness in oil pipelines using a Pipeline Inspection Gauge (PIG). The development parameters…
This paper proposes method for the image based defect detection in the ferromagnetic tube using Non-Destructive Testing (NDT) method. In many oil and gas industries, the leakage in pipelines is the major problem. The leakages leads to loss in this…
The need for enhancing Risk-Based Inspection (RBI) strategies has received significant attraction of many researchers and practitioners in the offshore/onshore oil and gas. Qualitative RBI (QRBI) has many applications in risk assessment of the aging…
In this paper, a new layout optimization approach for health monitoring of locally damaged and non-piggable segments of pipelines is presented. In contrast to the existing literature, the proposed optimization-based approach considers (i) sensors…
This paper presents the design of a manned vehicle for subsea pipeline/cable inspection and maintenance. This vehicle can not only cruise at water surface, but also submerge to sea floor and carry out inspection/maintenance.
The existing method of pipeline health monitoring, which requires an entire pipeline to be inspected periodically, is unproductive. A risk-based decision support system (DSS) that reduces the amount of time spent on inspection has been presented. The…
The ultrasonic in-line inspection is one of the important ways to inspect the wall-loss defects on-line for crude oil pipeline. As an integrative device, ultrasonic in-line inspection system contains complex mechanism, electronic instruments and a…
The inspection process of oil and gas platforms is highly crucial. Multiple factors need to consider in such a process. Cost, safety, environment considered to be crucial factors in the inspection process. Current processes to conduct such inspection…
This paper deals with the automation of oil pipelines inspection by means of a pig. The modern methods of pig location and navigation have been examined. The experience of aerospace technologies for construction of an inertial navigation system is…
For everyday inspection jobs in offshore oil and gas industry, the human divers are being replaced by underwater vehicles. This paper proposes a visual feedback based control of an autonomous underwater vehicle for pipeline inspection. The…
Wireless sensor networks (WSNs) provide an effective approach for underground pipeline inspection. Such WSNs comprise sensor nodes (SNs) and relay nodes (RNs) for information sensing and communication. WSNs can perform accurate and realtime…
Wireless sensor networks (WSNs) provide an effective approach for underground pipeline inspection. Such WSNs comprise of sensor nodes (SNs) and relay nodes (RNs) for information sensing and communication. WSNs can perform accurate and realtime…
Robotic sensor networks provide an effective approach for underground pipeline inspection. Such networks are comprised of sensor nodes (SNs) and relay nodes (RNs) carried by robots for information sensing and communication, and are able to perform…
In this paper, a novel and effective NDT method named intense magnetic memory (IMM) was introduced to inspect transmission pipeline, which can provide early indications of residual stress status and eventual failure in pipeline. An experimental…
Dynamic modeling and its analysis for the PIG (pipeline inspection gauge) flow through a 90/spl deg/ curved pipe with compressible and unsteady flow are studied. The PIG dynamics model is derived by using a Lagrange equation under the assumption that…
Modernization of the MS3002 gas turbine has been accomplished with the application of advanced technology components in redesigned turbine hot sections. Texas Eastern Pipeline Co. began installing these modernization packages in 1986 in an effort to…
The oil and gas industry has a strong demand of subsea knowledge in order to determine seafloor characteristics, to provide secure installation of underwater structures, to check its conditions, among others. In this context, acoustic methods have…
High-speed inspection of defects on thick-wall steel pipes is important to pipeline inline inspection (ILI) in the oil and gas industry. Traditional inspection methods are limited by the main challenges of inspection principle, sensor design and…
Inspection of petroleum pipelines is very crucial for oil and gas companies. Using a ROV (Remotely Operated Vehicle) for pipeline inspection requires extensive expenses due to heavy equipment and a large number of crew members for operations. In…
A new type of oil pipe inspection robot will be presented and the structure and function movement of which will be described in this paper, what's more, the obstacle avoidance control system of the robot will be researched in the paper according to…
The correction methods for inertial navigation system of the "pig" are proposed in this paper. These methods are related with such sensors as inclinometers and potentiometers and provide independent information about the angles used for improving the…
The pipeline Robots have several purposes during the travel into the pipes, some of them are: maintenance, cleaning, removal of liquids, separation of products and inspection, among others. In these tasks the processes demands the evaluation of…
The intelligent PIG's is denominated by this way because it is implemented in them electronic, mechanics, ultrasonic, or electromagnetic systems, that allow to know the physical state of the pipe that they travel. The present work describes the…
One method of pipeline identification based on AUV echo-sounder data is considered in this paper. Seabed terrain rendering, echo-sounder system modeling and the AUV's internal environment model are described and used in modeling experiments. Modeling…
The magnetic flux leakage (MFL) technique, commonly used for nondestructive testing of oil and gas pipelines, involves the detection of defects and anomalies in the pipe wall and the evaluation of the severity of these defects. The difficulty with…
The pipeline leakage problem is a very challenging and critical issue. Solving this problem will save the nation a lot of money, resources and more importantly, it will save the environment. This paper discusses the state of the art of leak detection…
For ferromagnetic materials, Low frequency acoustic waves can be excited by implementation of magnetostrictive effects and received by piezomagnetic effects. For guided waves inspection in steel plate, it is prerequisite to design a transducer that…
Magnetic Flux Leakage (MFL) techniques are the commonly used methods in the inspection of oil pipelines. This technique presents several limitations in detecting cracks. In this paper we present a novel method using ultrasound waves to obtain 3-d…
The ultrasonic detection is one of the important ways to inspect the wall-loss defects on-line for oil pipeline. The on-line power spectral estimation what characterized short time serial, higher resolution and anti-noise was a key technology to…
In the field of industrial ultrasonic testing, ultrasonic thickness measurement (UTM) is a method of performing non-destructive measurement of the local thickness of a solid element basing on the time taken by the ultrasound wave to return to the…
A VLSI implementation of a data acquisition system processor for failure detection and location inside oil pipelines is presented. The DAQP02 prototype is capable of reading and storing information inside pipelines. With support for two analog…
This paper introduces a current research project carried out in the Robert Gordon University for developing the prototype of the vibro-impact capsule robot for pipeline inspection. The project aims to address the technical bottlenecks which have been…