Design and Implementation of a New Nonradioactive-Based Machine for Detecting Oil–Water Interfaces in Oil Tanks

Al-Naamany, Ahmed; Meribout, Mahmoud; Busaidi, Khamis

doi:10.1109/tim.2007.895665

Cited by 30 publications

(16 citation statements)

References 3 publications

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“…Detection of changes of composition in a medium with the aid of ultrasound waves has been disclosed in [9]. The probe comprises two ultrasonic sensors (one emitting and another receiving sensor) mounted into two vertical stands to detect the upper and lower levels of the emulsion layer inside a laboratory-scale tank of 1 meter height.…”

Section: An Alternative: Ultrasonic-based Devicementioning

confidence: 99%

Interface Layers Detection in Oil Field Tanks: A Critical Review

Meribout¹,

Naamany²,

Busaidi³

2011

Expert Systems for Human, Materials and Automation

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Section: An Alternative: Ultrasonic-based Devicementioning

confidence: 99%

Interface Layers Detection in Oil Field Tanks: A Critical Review

Meribout¹,

Naamany²,

Busaidi³

2011

Expert Systems for Human, Materials and Automation

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“…The pulser/selector circuit enables periodically each of the sensors in a time multiplexed manner with a short burst signal. A one-stage operational amplifier-based noninverting preamplifier amplifies the signal generated by the transducer with a gain factor of ten (10). Its output is fed to a pass-band amplifier, with a cutoff frequency of and a gain of 3.…”

Section: A Electronic Designmentioning

confidence: 99%

“…This leads to a significant decrease of the voltage amplitude of the received echo, function of the number of bubbles and consequently to a clear discrimination between the emulsion layer and one-phase liquid. On the other hand, in [10], where 23 kHz ultrasonic sensors were used, the device could only detect bubbles having a diameter greater than 65 mm. The same procedure is similarly performed for all the transducers of the device to provide the vertical profile of the column.…”

Section: E Feature Extraction and Pattern Recognition Algorithm 1) Fmentioning

confidence: 99%

“…Experimental results accuracy in various condition of temperature. This constitutes an improvement over the previous ultrasound-based system [10], which was designed for a lab-scale tank with much more constraints.…”

Section: Introductionmentioning

confidence: 99%

“…In [10], a multilayer device comprising two ultrasonic sensors (emitting and receiving sensors, respectively) mounted into two vertical stands, respectively, have been presented to detect the upper and lower levels of the emulsion layer between oil and water inside a laboratory-scale tank of 1 meter height with a resolution of 15 cm. Both sensors move up and down at the same horizontal level to provide information on the liquid within that level (i.e., oil, water, emulsion, or gas).…”

Section: Introductionmentioning

confidence: 99%

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An Industrial-Prototype Acoustic Array for Real-Time Emulsion Layer Detection in Oil Storage Tanks

2009

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In this paper, a low-cost and nonradioactive industrial field prototype device that provides continuous and real-time information of the vertical distribution of the oil, water, and emulsion (oil-water mixture) in the oil tank separator is presented. The device which is capable of detecting the emulsion layer with 15 cm resolution is installed into the vessel through an 8" (i.e., 20.3 cm) flange. It consists of a one dimensional array of 28 ultrasonic transducers which are activated in a time multiplexed manner by a separate transmitter located at the top of the tank. The transmitter explores the collected data, using a dedicated pattern recognition algorithm, to provide the position of the emulsion layer which is then transferred to the control room using industrial standard protocols (i.e., RS-485 and 4-20 mA output). The whole system is intrinsically safe and uses one single power source (12 VDC).

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