...Similar to UT thickness gauging, the solution is based on the ultrasonic principle as shown in Figure 1 . A transducer is used to convert electrical energy to high frequency (1 to 10 MHz typical) acoustic or ultrasonic energy and vice versa, and is semi-permanently attached to the surface...

... near the critical weld between shell plates and chime plates. Volatile Corrosion Inhibitors (VCIs) have been implemented to reduce corrosion in this area and their effectiveness is presented in this paper. Direct Ultrasonic Thickness (UT) gauge inspection data and weight loss coupon data together...

... point on the waveform, making it the ideal point on the waveform to calculate the thickness from. Most modern UT systems digitize the waveform of the returning echoes and then use digital signal processing techniques to make the thickness measurement. The speed at which the return echo is sampled...

... the implementation of an on-line remote ultrasonic (UT) system at a SAGD (Steam Assisted Gravity Drainage) facility located within the Athabasca oil sands reserves in Northern Alberta. SAGD is a thermal, enhanced oil recovery technology applied to areas of deeper overburden utilizing horizontal wells with steam...

... the superficial liquid and gas velocities. Erosion data has been obtained with state-of-the-art temperature compensated multiple UT transducers. Flow measurements are conducted with the aid of dual Wire Mesh Sensors (WMS). The dual WMS are utilized to measure void fraction distributions of the flow patterns...

... Evaluations (NDE) of piping emphasizing hand-scan Ultrasonic Testing (UT) for wall thickness evaluations. Results and analysis forecast remaining life based on material loss, service life, and safety factors. The NEI 09-14 initiative is the nuclear power industry’s self-imposed strategy to identify...

... pipe diameters. Following are two sample results for the wall loss erosion ratios obtained from the gas and sand only experiments. Units of measurement are millimeter of wall thickness loss per kilogram of sand (mm/kg). The data is displayed at the location of the UT probes with zero values denoting...

... installed on the computer. 5MHz dual element transducers. High precision 100 Ohm 4-wire Pt element surface RTD’s for measuring temperature. Abstract A fixed mount, multichannel UT device with improved temperature compensation has been developed. Utilizing a fixed mount approach and the improved...

... the accuracy of a pipeline survey. Using high resolution NDE surveys (i.e. laser mapping, phased array UT, etc.) combined with information from the multiple data modalities recorded by the ILI tool, allows a method to adapt the ILI inspection to the specific details of the pipeline being inspected...

... with an objective to identify the best available apparatus for a given flow condition for erosion monitoring. The instruments used were an acoustic sand detector, an ultrasonic sand detector, a flexible UT mat, a high sensitivity ultrasonic probe, a conventional ultrasonic probe and a highly sensitive Electrical...

... transport pipelines are based on the results of intelligent pigging. There are two types of pigs on the market used for this purpose: magnetic flux leakage (MFL) pigs and ultrasonic (UT) pigs. For the gas pipelines, MFL pigs are used as they do not require the presence of a liquid phase. However, visual...

...-destructive thermal cracking embrittlement fatigue testing stress corrosion AET NDT UT INTRODUCTION Due to the inherent risks associated with processing highly flammable, explosive and toxic mixtures of hydrocarbons and other hazardous materials at high temperatures and pressures, operational...