Optimise crude processing with the Profiler™
The Challenge: Refiners aim to optimise feedstock blends to improve margins, but variability can bring significant operational challenges during the process. One critical need is the efficient removal of solids, salts and water from crude feedstock. It is essential that washing of the crude is effective at removing high levels of these, and the oilcan be efficiently separated prior to crude distillation. Efficient separation needs accurate and reliable interface control to manage its position and quality.
The Solution: The Tracerco Profiler™ has been successfully used for desalter interface control. The device gives an accurate measurement of the density distribution within a desalter, offering continuous high-resolution imaging and control of each phase. This monitors the effectiveness of chemical additives and mud washing and allows the most efficient operating conditions to be maintained.
With accurate and reliable real-time process measurements, the ProfilerTM provides operators with interface confidence. When the interface is controlled correctly, the desalter can be operated at the ideal level to maximise performance, which enhances separation of crude from water. By optimising separation, mixing can be increased to maximise wash water contact, thus removing more undesirable materials. This allows improved feedstock flexibility. By providing a high-resolution measurement around the emulsion layer, the tendency to overdose chemicals is reduced. This enables refiners to reduce chemical dosing costs, enhance safety and benefit from reduced environmental impact.
By providing a continuous high-resolution measurement throughout the level range, interfaces such as emulsion can be monitored and controlled, reducing the tendency to overdose chemicals. This enables operators to reduce costs, enhance safety and benefit from improved environmental compliance by reducing grid energy demand and consumption. The likelihood of process trips is also reduced and while this is important for reliable production, it also has the potential to reduce associated Green House Gases (GHG) and emissions from flaring.
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