Strategy to Manage Pump Interactions in Multi-Rig Applications

Abstract

A system for managing a pump arrangement is provided. The system may include at least one pressure sensor configured to generate a pressure signal indicative of a pump pressure of a targeted pump within the pump arrangement, and at least one controller in electrical communication with the pressure sensor. The controller may be configured to receive the pressure signal from the pressure sensor, apply a band pass filter on the pressure signal to filter frequencies associated with untargeted pumps, isolate at least a base frequency of the filtered pressure signal, and detect at least the pump pressure of the targeted pump based on the base frequency.

What is claimed is: 
     
         1 . A system for managing a pump arrangement, comprising:
 at least one pressure sensor configured to generate a pressure signal indicative of a pump pressure of a targeted pump within the pump arrangement; and   at least one controller in electrical communication with the pressure sensor, the controller being configured to receive the pressure signal from the pressure sensor, apply a band pass filter on the pressure signal to filter frequencies associated with untargeted pumps, isolate at least a base frequency of the filtered pressure signal, and detect at least the pump pressure of the targeted pump based on the base frequency.   
     
     
         2 . The system of  claim 1 , wherein the pressure sensor is configured to generate pressure signals including pump pressure information measured in terms of pump speed. 
     
     
         3 . The system of  claim 1 , wherein the pressure sensor is configured to generate pressure signals including pump failure information measured in terms of vibrations in the pump. 
     
     
         4 . The system of  claim 1 , wherein the controller is configured to apply the band pass filter to isolate at least the base frequency of the targeted pump. 
     
     
         5 . The system of  claim 1 , wherein the controller is configured to apply the band pass filter to isolate a failure frequency of the targeted pump, and detect a pump failure of the targeted pump based on the failure frequency. 
     
     
         6 . The system of  claim 1 , wherein the controller is configured to detect when pump speeds of the targeted pump and one or more untargeted pumps are substantially the same, compare amplitudes of the detected base frequencies to a theoretical amplitude of the base frequency of the targeted pump at the given pump speed, and apply an adjustment factor to the pressure signal based on the amplitude comparison to exclude base frequencies of untargeted pumps. 
     
     
         7 . A controller for managing a targeted pump in a pump arrangement, comprising:
 a receiver module configured to receive a pressure signal from a pressure sensor associated with the targeted pump;   a filter module configured to apply a band pass filter on the pressure signal to filter frequencies associated with untargeted pumps and isolate at least a base frequency of the targeted pump; and   a detection module configured to detect at least a pump pressure of the targeted pump based on the base frequency.   
     
     
         8 . The controller of  claim 7 , wherein the receiver module is configured to receive pressure signals including pump pressure information measured in terms of pump speed. 
     
     
         9 . The controller of  claim 7 , wherein the receiver module is configured to receive pressure signals including pump failure information measured in terms of vibrations in the pump. 
     
     
         10 . The controller of  claim 7 , wherein the filter module is configured to center the band pass filter on at least the base frequency of the targeted pump. 
     
     
         11 . The controller of  claim 7 , wherein the filter module is configured to apply the band pass filter to isolate a failure frequency of the targeted pump, and the detection module is configured to detect a pump failure of the targeted pump based on the failure frequency. 
     
     
         12 . The controller of  claim 7 , wherein the detection module is configured to detect when pump speeds of the targeted pump and one or more untargeted pumps are substantially the same. 
     
     
         13 . The controller of  claim 12 , further comprising:
 a comparison module configured to compare amplitudes of the detected base frequencies to a theoretical amplitude of the base frequency of the targeted pump at the given pump speed; and   an adjustment module configured to apply an adjustment factor to the pressure signal based on the amplitude comparison to exclude base frequencies of untargeted pumps.   
     
     
         14 . A controller-implemented method for managing a pump arrangement having a targeted pump and one or more untargeted pumps, comprising:
 receiving a pressure signal from a pressure sensor associated with the targeted pump;   applying a band pass filter on the pressure signal configured to filter frequencies associated with the untargeted pumps;   isolating at least a base frequency of the targeted pump based on the filtered pressure signal; and   detecting at least a pump pressure of the targeted pump based on the base frequency.   
     
     
         15 . The controller-implemented method of  claim 14 , wherein the pressure signal includes at least pump pressure information measured in terms of pump speed. 
     
     
         16 . The controller-implemented method of  claim 14 , wherein the pressure signal includes pump failure information measured in terms of vibrations in the pump. 
     
     
         17 . The controller-implemented method of  claim 14 , wherein the band pass filter is centered on the base frequency and a failure frequency of the targeted pump. 
     
     
         18 . The controller-implemented method of  claim 17 , further comprising:
 isolating at least the failure frequency of the targeted pump based on the filtered pressure signal; and   detecting at least a pump failure of the targeted pump based on the failure frequency.   
     
     
         19 . The controller-implemented method of  claim 14 , further comprising:
 detecting when pump speeds of the targeted pump and one or more untargeted pumps are substantially the same;   comparing amplitudes of the detected base frequencies to a theoretical amplitude of the base frequency of the targeted pump at a given pump speed; and   applying an adjustment factor to the pressure signal based on the amplitude comparison to exclude base frequencies of untargeted pumps.   
     
     
         20 . The controller-implemented method of  claim 19 , wherein detected failure frequencies caused by interactions with pressure sensors associated with one or more untargeted pumps are also excluded based on amplitude comparisons and adjustment factors.