Oil & gas


have also allowed for several unique and application-specific software solutions to be developed that support CBC facility operation. The principle of condition-based calibration


and monitoring is a component of a much larger concept, broadly referred to as ‘Digital Oilfield’. The overall aim of this is to optimise facility operating costs by streamlining areas such as maintenance, staff scheduling, production and data analysis. The specification and commissioning of such a system requires an in-depth understanding of the facility’s electronic, electrical and mechanical design as well as its normal operating requirements and capabilities. When predictive information is initially generated it should be validated by staff with relevant knowledge and experience before key decisions are made on the data. Over time, after multiple tuning iterations, confidence in the data is built up and in doing so the facility can star t to adopt an efficient and intelligent decision-making process as opposed to a regimented and potentially inefficient one. Research is currently underway in multiple


industry and academic sectors with the aim of helping end users build confidence. The UK’s National Standards for flow and density measurement, operated by TÜV SÜD National Engineering Laboratory, is currently tackling this research area. It aims to develop correlations between the data output from field devices and their operational efficiency. Parameters such as device age and structural integrity, facility ambient conditions and


properties of the fluid will be considered, as well as bigger picture flow facility components, such as pump speeds and valve positions. Additionally, many companies are in the


process of analysing the historical big data sets associated with the specifics of their operation. This is not limited to the oil and gas industry, but includes sectors such as food production, retail and automotive, which are all undertaking “digitisation” strategies with the aim of getting to grips with the unrealised potential of historical and live data.


controlling flow at a petroleum storage and distribution project


petroleum terminal in Malaysia. Neway Valve (Suzhou) Co has ordered more


R


than 570 IQ3 multi-turn actuators to be installed on gate and ball valves ranging from eight to 42 inches at the Pengerang Deepwater Petroleum Terminal. Phase two of the project involved the construction of storage and distribution facilities needed to transport crude oil, petroleum, chemical and petrochemical products to the Refinery & Petrochemicals Integrated Development (RAPID) tank farm, also in southern Johor. The second phase also included the construction of Liquefied Natural Gas (LNG) facilities, comprised of a regasification unit and two 200,000m3


LNG


storage tanks, as well as the building of berths for the loading and unloading of LNG vessels. The project’s third phase got underway in


May and will see the construction of petroleum and petrochemical storage tanks for medium to long term customers.


Instrumentation Monthly October 2019


otork’s Pakscan control system will be used to control hundreds of additional intelligent Rotork IQ actuators at a new


Rotork’s IQ3 actuators will be used to control


the flow of the products on to carriers which use a deepwater jetty with depths up to 24m to carry products to the two sites, and will also ensure the complete isolation of the hydrocarbon products to prevent contamination. The Pakscan network bus system will be connected to seven hot standby Rotork Master Stations. Suitable for use in all industries, the Rotork


Master Station is capable of operating up to 240 actuators across three separate field networks allowing the optimum network to be used in different plant areas. It supports Modbus RTU protocol with third party device integration and Pakscan Classic, Rotork’s standard two-wire closed loop system, which has more than 170,000 existing devices installed in networks around the world. The Rotork Master Station can be supplied with built-in redundancy support via a hot standby configuration, allowing a replica unit to assume network control in the event of an error in the primary unit. The end user is already successfully operating


IQ3 actuators at six other sites in the Pengerang Integrated Petroleum Complex, a 6,239 acre


downstream development in Malaysia. The local support offered through Rotork


Site Services (RSS) was also key in securing the order. RSS is carrying out extensive on site commissioning of both the IQ3 actuators and Rotork Master Stations. RSS provides field support for repairs, commissioning, upgrades and maintenance through a global network of fully trained and experienced service engineers. With support for both Rotork and non-Rotork products available, RSS can also assist with planned shutdown support through project management and supervision, on-site overhaul and testing, and a large stock of OEM spares.


www.rotork.com 43


With the ever-growing interest in logging


and understanding diagnostic data, it is reasonable to suggest that the day is coming where facility operators and technology end- users will have the confidence to fully switch over from traditional time-based calibrations to automated and intelligently lead condition- based calibrations.


TÜV SÜD National Engineering Laboratory www.tuv-sud.co.uk/uk-en/about-tuev- sued/tuev-sued-in-the-uk/nel


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