Flow Level Pressure


with temperature sensors, pressure transducers and viscometers. Experiments were conducted on water- gas and oil-gas systems for a range of flow conditions.


Recent developments Rapid Flow z8000 system


Water-gas flow data using ERT Oil-gas flow data Using ECT Air-oil-water three phase flow visualisation


Recently ITS has developed a fast resistance system for the measurement of rapid flows. The instrument was developed in conjunction with BP Chemicals, BHR Group and University of Leeds. The z8000 can capture data 1,000 dual frames per second, which enables it to measure rapid flows of up to 10 m/s. The z8000 platform measures impedance, which can give information on the real and imaginary part which gives another set of data to understand complex materials and how they are distributed in the course of a process. The instrument is suitable for multi-phase systems such as the measurement of flowing oil water systems and hydraulic conveying of slurries.


Conclusion


The measurement principals of electrical tomography are applicable to many processes within the oil and gas sector. The simplicity of the technique offers a unique and valuable insight into complicated and very often little understood processes such as multiphase flow. It should be noted that electrical tomography systems have not been tested on every flow regime, but are one of the few technologies which can measure flow of opaque fluids in real time. However the ITS m3000 dual modality system is currently under evaluation as part of the NEL Flow Programme at their facilities in East Kilbride


47


Remote Level Sensing for Any Application


HWM’s (France) SonicSens is a versatile ultrasonic level sensor with a 5 year battery life, designed for easy installation and ready to output results either locally or via a range of telemetry options. The SonicSens combines precise ultrasonic measurement with a connected MultiLog data logger to store, interpret and transmit results, making it suitable for a wide variety of level-sensing and flow monitoring situations. The option of cellular wireless telemetry and the long battery life mean that the device is ideal for remote installations where constant access is difficult and traditional communications unsuitable.


Open channel flow or level monitoring for any liquid is made easy by the non-contact ultrasonic sensor, taking instant and accurate readings of targeted


surface levels. Fluid levels in tanks, reservoirs or storage containers can also be remotely checked, with easy mounting options allowing for temporary survey type operations. Data from the SonicSens can also be used as a control for other processes, allowing varying levels or alerts to have different effects. The system is available in four different configurations to suit varying installation requirements and networking preferences. It can be non-ATEX cable linked, ATEX cable linked with a Barrier box, ATEX radio linked to the logger outside the ATEX zone, or the sensor, logger and cable all ATEX rated with total protection for completely below-ground installations.


SonicSens can communicate via GSM, GPRS, PSTN radio or satellite, and the communication module can be sited separately from the sensor itself to maximise signal. Reader Reply Card No 166


Differential Pressure Transmitter for Static Pressure Up to 1035 Bar


Oil and gas producers are drilling to new depths to keep up with demand. Traditional differential pressure transmitters that are not designed to operate above 6000PSI (414 bar) are challenged by the need to operate at high pressure. This challenging application needs a solution that is specifically designed to cope with higher static pressures, aggressive process and environmental conditions.


Based on extensive experience of supplying transmitters for this demanding application, Fuji Electric (France) is proud to announce the release of its latest, ATEX approved, Differential Pressure Transmitter as a direct response to their customers’ requirement in high pressure applications that are traditionally found in oil and gas flow measurement. The experience and technical capability that Fuji built into the new transmitter enables it to measure differential pressures of 130mbar at static pressures of up to 1035 bar (15 000 Psi), typically found in top side and subsea applications.


Reader Reply Card No 167


New Differential Pressure Transmitter Ideal for Level and Flow Measurement


A range of smart differential pressure transmitters for process industry applications has been launched, which can be used for level measurement of closed, pressurised tanks, pump and filter control, or for closed pipe flow measurement in conjunction with an orifice plate, Venturi or nozzle.


The XMD range from Impress Sensors and Systems Ltd (UK) is ideal for flow applications due to the device’s ability to switch the output from a standard linear output to a square root extraction where flow rate can be output. Target industries include chemicals, paper and pulp, petrochemicals, energy & power, food and dairy, and pharmaceuticals.


The XMD has a differential pressure range from 75mbar up to 2 bar and with a static over-pressure capable of 130 bar line pressures. The calibrated pressure range can also be turned down 10:1 times, which means that a 75mbar range can give a full scale output at 7.5mbar, whilst still maintaining the 130 bar line pressure. A 5:1 turn down ratio maintains the accuracy of the transmitter, which is ±0.1% FSO.


Outputs available are 4-20mA as standard with the option of having HART® communication. If this option is selected,


the XMD is ATEX-approved as standard. The device is intrinsically safe for Zone 0/1 and an Ex d version is available with a flameproof enclosure for Zone 1 applications.


The XMD range is designed for harsh process manufacturing environments and so the electrical enclosure is a two- chamber aluminium die cast, powder coated with the option to include an integrated smart display. As Sam Drury, Sales & Marketing Director at Impress Sensors & Systems comments: “The integrated display enables the user to programme the device, including electronic damping of the signal, offset adjustment [of up to 90 per cent of full scale] and a turndown ratio of 10 to 1. The two-chamber aluminium die cast housing is prepared for chemical seals to extend the application possibilities even further.”


Reader Reply Card No 168


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Flow Measurement Distribution Agreement for Canada


In September, AW-Lake Company (USA) inked a distribution agreement with Peacock, a division of Kinecor, to stock, distribute and support flow measurement systems from the AW-Lake brands AW Gear Meters and Sabre Flow Turbines. The agreement unifies AW-Lake’s Canadian market and provides more localized support. The two companies are working together to target oil and gas, HVAC, food & beverage, water and pharmaceutical markets. Although this is an exclusive distribution agreement, it is non-exclusive for the province of Quebec. Peacock will offer both of AW- Lake’s new products, the TW series turbine flow meter specifically designed for the oil & gas market, and the MicroFlow PD gear meter, which is ideal for low flow rate applications, such as chemical injection.


"We are very proud to align with Peacock, a key player and leading source of instrumentation and industrial products,” stated Curt Foreman, Director of Sales & Marketing for AW-Lake Company. “We are confident that Peacock is equipped with the talent and experience necessary to accelerate the growth of our flow measurement products in the Canadian markets.” Simon Bennington, Peacock’s VP & General Manger agrees, “We feel the AW-Lake products as well as the technical support and new product development program will provide Peacock with a strong product offering, allowing Peacock to use our technical sales and service expertise and Canada-wide presence to mutually benefit both companies.”


Reader Reply Card No 169


Annual Buyers’ Guide 2010


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