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Improving Scale Management Using ESEM Bulk Scale Analysis

Improving Scale Management Using ESEM Bulk Scale Analysis
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Inorganic scale deposition is a major issue for the oil and gas industry as it can block perforations, production tubing, valves, chokes and prevent topside heat exchangers and fluid separation equipment from functioning effectively.   

Product Number: 51322-18215-SG
Author: Stephen Heath, Marius Stamnes, Ole Magnar Drønen
Publication Date: 2022
Industries: Oil and Gas , Coatings
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Scale deposition in oil and gas wells is a major issue in the oil and gas industry as it reduces hydrocarbon production, restricts well access to production logging tools and, in addition, causes safety issues due to blocking and ineffective operation of chokes and valves.  Scale is predominantly controlled with chemical scale inhibitors and the most common methods to control scale deposition are through continuous injection and scale squeeze treatments although some non-chemical methods can be applied.     

The performance of continuous injection and scale squeeze treatments is traditionally monitored by the analysis of scaling ion and residual inhibitor concentrations (RSI) in collected produced water samples in conjunction with other parameters such as productivity index (PI) and temperatures and pressures throughout the whole production system. However, these methods are not always sufficient to identify the onset of scale formation and there can be some uncertainty as to whether the produced water is fully protected.  

Scale deposition in oil and gas wells is a major issue in the oil and gas industry as it reduces hydrocarbon production, restricts well access to production logging tools and, in addition, causes safety issues due to blocking and ineffective operation of chokes and valves.  Scale is predominantly controlled with chemical scale inhibitors and the most common methods to control scale deposition are through continuous injection and scale squeeze treatments although some non-chemical methods can be applied.     

The performance of continuous injection and scale squeeze treatments is traditionally monitored by the analysis of scaling ion and residual inhibitor concentrations (RSI) in collected produced water samples in conjunction with other parameters such as productivity index (PI) and temperatures and pressures throughout the whole production system. However, these methods are not always sufficient to identify the onset of scale formation and there can be some uncertainty as to whether the produced water is fully protected.  

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