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Erosion

Sand production in oil and gas producing wells can cause rapid erosion and wear of top side equipment such as chokes, valves, and flow-lines. In addition, it may cause serious formation damage. Rapid detection and remediation of sand producing/erosion episodes is necessary to prevent short-term failure of topside equipment, and cumulative formation damage. RCS offers a range of metal loss sensors and instrumentation, designed specifically to detect sand erosion at speeds approaching real time. Sensing elements for the Quicksand erosion measurement system can be made from almost any commercially available, alloy. Less corrosion resistant materials, such as carbon steel, will show the combined effects of corrosion, and erosion, whereas more resistant alloys, such as duplex stainless steel or Hastelloy, will show erosion effects exclusively. Quicksand probes and instrumentation can be fully integrated with other digital loop transmitters manufactured by RCS, such as Linear Polarization (CORRATER ®), or high resolution electrical resistance (MICROCOR®), to provide a comprehensive corrosion/erosion monitoring solution within a single digital communication and data handling system. The areas experiencing the most severe effects of erosion are the outer diameters of bends and areas downstream of changes in pipeline diameter. However, the Quicksand probe is best placed with its sensing element at the center of the line in a straight run pipe section where the greatest flow rates are experienced, since this is the place where the highest concentrations of sand are typically found.

 

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