Method and module for determination of erosion in systems

Abstract

A method of providing information regarding erosion in an oil and/or a gas production system, which system includes at least one equipment/piping, the method including the steps of obtaining CFD results regarding hot spots in the equipment/piping from a CFD analysis of the equipment/piping for a range of pressures, flow rates and sand rates; and to, during production, obtaining data regarding erosion rates in a particular location in the system; and combining the data regarding erosion rates and CFD results to estimate and monitor sand erosion rates in the hot spots of the system. Further disclosed is a module performing the method steps as well as a computer program.

1 . A method of providing information regarding erosion in an oil and/or a gas production system, which system comprises at least one equipment/piping, the method comprising the steps of:
 obtaining CFD results regarding hot spots in the equipment/piping from a CFD analysis of the equipment/piping for a range of pressures, flow rates and sand rates; and to, during production   obtaining data regarding erosion rates in a particular location in the system;   combining said data regarding erosion rates and CFD results to estimate and monitor sand erosion rates in the hot spots of the system.   
     
     
         2 . The method according to  claim 1 , wherein also data regarding flow rates, sand rates and pressures are obtained. 
     
     
         3 . The method according to  claim 1 , wherein unadjusted, interpolated or extrapolated CFD results are used for obtaining an erosion pattern depending on the obtained data. 
     
     
         4 . The method according to  claim 1 , wherein said obtained data regarding erosion rates is derived from previously obtained and stored data. 
     
     
         5 . The method according to  claim 4 , wherein said estimated sand erosion rates are correlated and adjusted against actual erosion results. 
     
     
         6 . The method according to  claim 1 , wherein said data regarding erosion rates also is obtained from sensors arranged in said equipment/piping. 
     
     
         7 . The method according to  claim 6 , wherein said sensors include at least one of physical sensors and virtual sensors. 
     
     
         8 . The method according to  claim 1 , wherein said erosion rates are estimated instantaneously. 
     
     
         9 . The method according to  claim 1 , wherein accumulated erosion rates are estimated. 
     
     
         10 . The method according to  claim 7 , wherein data from sensors comprise data from sand detectors, erosion probes, pressure sensors, flow sensor, temperature sensors. 
     
     
         11 . The method according to  claim 1 , wherein data further is obtained from at least one of production management tools and simulation tools. 
     
     
         12 . The method according to  claim 1 , wherein it further comprises the step of correlating available data with analytical models based on models from said CFD results of the actual geometry of said system. 
     
     
         13 . A module for providing information regarding erosion in an oil and/or a gas production system, which system comprises at least one equipment/piping, the module comprising:
 means for obtaining CFD results regarding hot spots in the equipment/piping from a CFD analysis of the equipment/piping for a range of pressures, flow rates and sand rates;   means for, during production, obtaining data regarding erosion rates in a particular location in the system;   means for, during production, combining said data regarding erosion rates and CFD results to estimate and monitor sand erosion rates in the hot spots of the system.   
     
     
         14 . The method according to  claim 1 , wherein also data regarding flow rates, and pressures are obtained. 
     
     
         15 . The module according to  claim 13 , wherein also data regarding flow rates, sand rates and pressures are obtained. 
     
     
         16 . The module according to  claim 13 , wherein unadjusted, interpolated or extrapolated CFD data are used for obtaining an erosion pattern depending on the obtained data. 
     
     
         17 . The module according to  claim 13 , wherein said module is connected to and receives data from at least one of virtual sensors and physical sensors such as sand detectors, erosion probes, pressure sensors, flow sensor, temperature sensors. 
     
     
         18 . The module according to  claim 13 , wherein data further comprises data from production at least one of management tools and simulation tools. 
     
     
         19 . The module according to  claim 13 , wherein it further comprises means for correlating available data with analytical models based on models from said computational fluid dynamics of the actual geometry of said system. 
     
     
         20 . A computer program product comprising software code portions for making a processor perform the steps of  claim 1 . 
     
     
         21 . The computer program product according to  claim 20  supplied via a network, such as Internet. 
     
     
         22 . A computer readable medium containing a computer program product according to  claim 19 . 
     
     
         23 . A computer program comprising software code portions for making a processor perform the steps of  claim 1 . 
     
     
         24 . The computer program according to  claim 23  supplied via a network, such as Internet.