Introduction
The Serbian Oil Industry (Gazprom Neft) oil and gas field stations have only recently been refurbished to meet the most complex production processes. All facilities include a wide range of energy consuming devices such as heavy fuel and gas boilers, steam heaters, glycol dehydrators and compressors. Most of the systems are fueled by natural gas from the gas fields. In order to control the energy efficiency of each of their gas field stations, the company decided to monitor the natural gas consumption of their systems, as well as to detect technical losses due to soot formation in burners.
Implementation
This project consisted of design and delivery of the project documentation, equipment supply, installation and start-up of the System for Measurement of Technical Losses and Own Gas Consumption in all oil and gas field plants. Given the volatile parameters of the medium, it was required that temperature andpressure measurement were included as a part of the solution. ATEX zones 2 Ex d ia approvals were also mandatory.
The solution included Krohne Vortex flowmeter OPTISWIRL 4070C installed on over 70 measuring skids, with integrated pressure and temperature compensation, thereby prevailing over solutions with turbine meters, rotary gas meters or multivariable transmitters as offered by competition. The instruments were mounted on bypass lines to allow easy dismantling without process interruption. The majority of these lines were meant to be part of a permament system of piping with different nominal sizes from DN 15 to DN 100 (classes 150 lb, 300 lb and 600 lb). Flowmeters with sandwich process connection were used at these measuring sites. Five other flowmeters were fitted at mobile metering systems that allow for a temporary flow measurement at 14 varying measuring sites. These flowmeters were installed with flanges.
Standard measuring skid consists of:
Customer benefits
Main customer benefits on this project include:
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