System and method for monitoring downhole operation

Abstract

Systems and methods are discussed for characterizing usage of an operating tool configured for use within a wellbore. As an example, a system is discussed that includes detecting system and a processing device. The processing device receives information from the detecting systems and may use the information to, for example, determine an efficiency using the time period for each of a plurality of tool gestures and a respective expected time period for each of the plurality of tool gestures.

What is claimed: 
     
         1 . A system for evaluating usage efficiency of an operating tool configured for use within a wellbore, the system comprising:
 a detecting system configured to be secured to the operating tool, the detecting system comprising:
 a first sensor, wherein the first sensor is of a first sensor type and provides a first sensor data; and 
 a second sensor, wherein the second sensor is of a second sensor type and provides a second sensor data; 
   a processing device configured to:
 receive a plurality of instances of each of the first sensor data and the second sensor data, wherein each of the plurality of instances corresponds to a respective time; 
 use a combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances to identify a plurality of tool gestures; 
 determine a time period for each of the plurality of tool gestures based on the combination of at least instances of the first sensor data and instances of the second sensor data; and 
 determine an efficiency using the time period for each of the plurality of tool gestures and a respective expected time period for each of the plurality of tool gestures. 
   
     
     
         2 . The system of  claim 1 , wherein the first sensor type is selected from a group consisting of: a strain gauge sensor, an acceleration sensor, an inclination sensor, a magnetometer sensor, a pressure sensor, a temperature sensor, and a capacitance sensor. 
     
     
         3 . The system of  claim 1 , wherein the plurality of tool gestures is a first plurality of tool gestures, wherein the first plurality of tool gestures includes at least two tool gestures in a first sequence, wherein the processing device is communicably coupled to a memory that has stored therein a standard sequence of operations, wherein the standard sequence of operations includes a second plurality of tool gestures and the respective expected time period for each of the second plurality of tool gestures, wherein the second plurality of tool gestures includes at least two tool gestures in a second sequence, and wherein the processing device is further configured to:
 compare the at least two tool gestures of the first plurality of tool gestures and the first sequence with the at least two tool gestures of the second plurality of tool gestures and the second sequence; and   based at least in part on the comparison, determine that the at least two tool gestures of the first plurality of tool gestures and the first sequence correspond to the at least two tool gestures of the second plurality of tool gestures and the second sequence.   
     
     
         4 . The system of  claim 1 , wherein one or more of the plurality of tool gestures is selected from a group consisting of: an above ground operation, a downhole operation, and a non-productive time. 
     
     
         5 . The system of  claim 4 , wherein the above ground operation is selected from a group consisting of: an equipment preparation, a tool assembly, a pick up tool and lubricate, a lubricator land on wellhead, a lubricator pressure test, an open well, a close well, a bleed off/open lubricator, a rig down lubricator, and a tool disassembly. 
     
     
         6 . The system of  claim 4 , wherein the downhole operation is selected from a group consisting of: a run in hole, a run through restriction, a jarring operation, a mission at depth, a tool stuck, a freefall, and a cable cycling fatigue warning. 
     
     
         7 . The system of  claim 1 , wherein the processing device is disposed apart from the operating tool and outside of the wellbore. 
     
     
         8 . The system of  claim 1 , wherein the receiving the plurality of instances of each of the first sensor data and the second sensor data, using the combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances to identify the plurality of tool gestures, determining the time period for each of the plurality of tool gestures based on the combination of at least instances of the first sensor data and instances of the second sensor data, and determining the efficiency are together operations of the processing device; wherein the processing device includes a first processing device and a second processing device; wherein the first processing device is disposed apart from the operating tool and outside of the wellbore, and wherein the second processing device is incorporated with the first sensor and the second sensor in the detecting system, and wherein at least a first subset of operations of the processing device is performed by the first processing device and at least a second subset of operations of the processing device is performed by the second processing device. 
     
     
         9 . The system of  claim 1 , wherein the processing device is incorporated with the first sensor and the second sensor in the detecting system configured to be secured to the operating tool. 
     
     
         10 . The system of  claim 9 , wherein the first sensor type is a weight sensor and the first sensor data is a weight data, and wherein the processing device is further configured to:
 receive the weight data when the operating tool is stationary in a first fluid to yield a first weigh data;   receive the weight data when the operating tool is stationary in a second fluid to yield a second weight data;   calculate a volume of the operating tool based on a combination of the first weight data and the second weight data; and   determine a density of a fluid in the wellbore based upon a combination of the first weight data, the second weight data, and the volume.   
     
     
         11 . The system of  claim 10 , wherein the first fluid is air and the second fluid is fresh water. 
     
     
         12 . The system of  claim 10 , wherein the second sensor type is a pressure sensor and the second sensor data is pressure data, and wherein the processing device is further configured to:
 determine a vertical depth of the operating tool in the wellbore by comparing the density of the fluid in the wellbore with the pressure data from the pressure sensor.   
     
     
         13 . The system of  claim 1 , wherein the plurality of tool gestures is a first plurality of tool gestures, wherein the combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances is a first combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances, and wherein the processing device is further configured to:
 use a second combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances to identify a second plurality of tool gestures;   determine a time period for each of the second plurality of tool gestures based on the second combination of at least instances of the first sensor data and instances of the second sensor data; and   wherein determining the efficiency using the time period for each of the plurality of tool gestures and the respective expected time period for each of the plurality of tool gestures comprises:
 determining a multi-process efficiency using the time period for each of the first plurality of tool gestures, the time period for each of the second plurality of tool gestures, and the respective expected time period for each of the first plurality of tool gestures and each of the second plurality of tool gestures. 
   
     
     
         14 . The system of  claim 13 , wherein the first plurality of tool gestures correspond to a first standard sequence of operations and the second plurality of tool gestures correspond to a second standard sequence of operations that is different from the first standard sequence of operations. 
     
     
         15 . The system of  claim 1 , wherein operation of the operating tool is managed by an operator, and wherein the processing device is further configured to:
 use the efficiency along with at least one other efficiency for the operator to determine a trend of changes of efficiency for the operator.   
     
     
         16 . The system of  claim 1 , wherein the efficiency is a first efficiency corresponding to a first operator, and wherein the processing device is further configured to:
 obtain a second efficiency corresponding to a second operator; and   determine an efficiency comparison between the first operator and the second operator of the operating tool based at least in part on the first efficiency and the second efficiency.   
     
     
         17 . A method for characterizing usage of an operating tool configured for use within a wellbore, the method comprising:
 receiving, by a processing device, a plurality of instances of a first sensor data from a first sensor and a second sensor data from a second sensor, wherein the first sensor and the second sensor are attached to the operating tool;   using a combination of at least instances of the first sensor data and instances of the second sensor data from the plurality of instances to identify, by the processing device, a plurality of tool gestures;   determining, by the processing device, a time period for each of the plurality of tool gestures based on the combination of at least instances of the first sensor data and instances of the second sensor data; and   determining, by the processing device, an efficiency using the time period for each of the plurality of tool gestures and a respective expected time period for each of the plurality of tool gestures.   
     
     
         18 . The method of  claim 17 , wherein the first sensor is selected from a group consisting of: a strain gauge sensor, an acceleration sensor, an inclination sensor, a magnetometer sensor, a pressure sensor, a temperature sensor, and a capacitance sensor. 
     
     
         19 . The method of  claim 17 , wherein the plurality of tool gestures is a first plurality of tool gestures, wherein the first plurality of tool gestures includes at least two tool gestures in a first sequence, wherein the processing device communicably coupled to a memory that has stored therein a standard sequence of operations, wherein the standard sequence of operations includes a second plurality of tool gestures and the respective expected time period for each of the plurality of tool gestures, wherein the second plurality of tool gestures includes at least two tool gestures in a second sequence, the method further comprising:
 accessing, by the processing device, the standard sequence of operations from the;   comparing, by the processing resource, at least two tool gestures of the first plurality of tool gestures and the first sequence with the at least two tool gestures of the second plurality of tool gestures and the second sequence; and   based at least in part on the comparison, determining, by the processing resource, that the at least two tool gestures of the first plurality of tool gestures and the first sequence correspond to the at least two tool gestures of the second plurality of tool gestures and the second sequence.   
     
     
         20 . The method of  claim 17 , wherein one or more of the plurality of tool gestures is selected from a group consisting of: a non-productive time, an equipment preparation, a tool assembly, a pick up tool and lubricate, a lubricator land on wellhead, a lubricator pressure test, an open well, a close well, a bleed off/open lubricator, a rig down lubricator, a tool disassembly, a run in hole, a run through restriction, a jarring operation, a mission at depth, a tool stuck, a freefall, and a cable cycling fatigue warning.