# US 10,865,633 B2 · System and method for downhole and surface measurements for an electric submersible pump > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,865,633 B2 - Document ID: US10865633B2 - Status: Granted - Kind: B2 - Application number: 16/512,258 - Filed: 2019-07-15 - Published: 2020-04-09 - Granted: 2020-12-15 - Earliest claimed: 2014-07-03 - Assignees: Sensia LLC - Applicants: Sensia LLC - Inventors: Emmanuel Coste; Jeffery Anderson - Web page: https://patentgrep.com/patent/US10865633B2 ## CPC - E21B 47/008: Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions - E21B 43/128: {Adaptation of pump systems with down-hole electric drives} - E21B 47/12: Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling - E21B 47/26: Storing data down-hole, e.g. in a memory or on a record carrier - F04D 13/10: adapted for use in mining bore holes - F04D 15/0088: {Testing machines} - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) ## Abstract A method for monitoring an electric submersible pump. The method includes acquiring data indicative of surface measurements obtained while the pump is operating in a downhole environment, acquiring data indicative of downhole measurements obtained while the pump is operating in the downhole environment, storing the downhole data in the downhole environment, periodically transmitting the downhole data from the downhole environment to a remote computing device, and establishing a baseline signature profile based on a correlation of the surface data with the downhole data. ## Claims ### Claim 1 A method for detecting fault conditions in an electric submersible pumping system, the method comprising: operating an electric submersible pumping subsystem in a downhole environment, the subsystem comprising an electric submersible pump and a downhole gauge, the downhole gauge comprising processing circuitry, memory, and one or more sensors; receiving, via a set of surface measuring devices, a continuous surface-level data set indicative of downhole operation of the electric submersible pump; receiving, via the downhole gauge, a first downhole-level data set indicative of downhole operation of the electric submersible pump, the first downhole-level data set comprising stored operational measurements and a frequency analysis of the stored operational measurements; establishing a baseline signature profile based on both surface-level data set and the first downhole-level data set; providing, to the downhole gauge, a request for data transmission after a predetermined time period has passed such that the downhole gauge is able to transmit a second downhole-level data set comprising stored operational measurements and a frequency analysis of the stored operational measurements; comparing the second downhole-level data set with the baseline signature profile to determine whether a difference exists therebetween; and generating an alert if the difference is greater than a predetermined threshold between the second downhole-level data set and the baseline signature profile. ### Claim 2 (depends on 1) The method of claim 1, wherein receiving the continuous surface-level data set further comprises receiving voltage or current measurements of the electronic submersible pump at a high-sampled frequency or in real-time. ### Claim 3 (depends on 1) The method of claim 1, further comprising recalibrating a surface component of the baseline signature profile in response to: observing a change in the surface-level data greater than a predetermined surface threshold; and the difference between the frequency analysis of the second downhole-level data set and the baseline signature profile being less than the predetermined downhole threshold. ### Claim 4 (depends on 1) The method of claim 1, further comprising identifying a change in the surface-level data greater than the predetermined surface threshold, wherein a transmission of the downhole-level data set occurs in response to identifying such a change. ### Claim 5 (depends on 1) The method of claim 1, wherein the frequency analysis comprises a fast Fourier transform (FFT). ### Claim 6 (depends on 1) The method of claim 1, further comprising establishing, for each of a variety of pump operating conditions, signature profiles based on a correlation of the surface data with the first or second set of downhole-level data. ### Claim 7 (depends on 1) The method of claim 1, further comprising storing the first downhole-level data set in the downhole environment, the downhole environment comprising the downhole gauge wherein the downhole gauge is proximate to the electric submersible pump. ### Claim 8 A predictive electronic pumping system for downhole operation, the system comprising: a downhole subsystem, the downhole subsystem comprising an electric submersible pump and a downhole gauge, the downhole gauge comprising, processing circuitry, a memory device, and one or more sensors, the downhole gauge configured to: store a first downhole-level data set indicative of downhole operation of the electric submersible pump; process the first downhole-level data set by performing a frequency analysis on the downhole-level data: provide the processed first downhole-level data set to a surface-level computing device; a surface subsystem, the surface subsystem comprising the surface-level computing device and one or more surface-level measuring devices, the computing device configured to: receive, via the downhole gauge, the processed first downhole-level data set and surface-level data via the surface-level measuring devices; establish a baseline signature profile based on both the processed first downhole-level data set and the surface-level data; receive, via the downhole gauge, data transmission of a second processed downhole-level data set after a predetermined time period; compare the processed second downhole-level data set with the baseline signature profile to determine whether a substantial difference exists therebetween. ### Claim 9 (depends on 8) The system of claim 8, wherein the computing device is further configured to: generate an alert if a difference is greater than a predetermined threshold between the processed second downhole-level data set and the baseline signature profile; and alter a parameter of the system that affects operation of the electric submersible pump based on comparing the processed second downhole-level data set with the baseline signature profile. ### Claim 10 (depends on 8) The system of claim 8, wherein receiving the surface-level data further comprises receiving voltage or current measurements of the electronic submersible pump at a high-sampled frequency or continually. ### Claim 11 (depends on 8) The system of claim 8, further comprising recalibrating a surface component of the baseline signature profile in response to: observing a change in the surface-level data greater than a predetermined surface threshold; and the difference between the frequency analysis and the baseline signature profile being less than the predetermined downhole threshold. ### Claim 12 (depends on 8) The system of claim 8, further comprising identifying a change in the surface-level data greater than a predetermined surface threshold, wherein a transmission of the processed second downhole-level data set occurs in response to identifying such a change. ### Claim 13 (depends on 8) The system of claim 8, wherein the frequency analysis comprises a fast Fourier transform (FFT). ### Claim 14 (depends on 8) The system of claim 8, further comprising establishing, for each of a variety of pump operating conditions, signature profiles based on a correlation of the surface data with the first downhole-level data set or second downhole-level data set. ### Claim 15 (depends on 8) The system of claim 8, wherein the downhole gauge is further configured to store the first downhole-level data set and the second downhole-level data set in the downhole environment, the downhole environment comprising the downhole gauge wherein the downhole gauge is proximate to the electric submersible pump. ### Claim 16 An electric submersible pump controller, the controller comprising a processing circuit and a memory, the processing circuit configured to: operate an electric submersible pumping subsystem in a downhole environment, the subsystem comprising an electric submersible pump and a downhole gauge, the downhole gauge comprising processing circuitry, memory, and one or more sensors; receive, via a set of surface measuring devices, a continuous surface-level data set indicative of downhole operation of the electric submersible pump; receive, via the downhole gauge, a first downhole-level data set indicative of downhole operation of the electric submersible pump, the first downhole-level data set comprising stored operational measurements and a frequency analysis of the stored operational measurements; establish a baseline signature profile based on both surface-level data set and the first downhole-level data set; after establishing a baseline signature profile, provide, to the downhole gauge, a request for data transmission after a predetermined time period has passed such that the downhole gauge is able to transmit a second downhole-level data set comprising stored operational measurements and a frequency analysis of the stored operational measurements; compare the second downhole-level data set with the baseline signature profile to determine whether a difference exists therebetween; and generate an alert if the difference is greater than a predetermined threshold between the second downhole-level data set and the baseline signature profile; and system that affects operation of the electric submersible pump. ### Claim 17 (depends on 16) The processing circuit of claim 16, wherein receiving the continuous surface-level data set further comprises receiving voltage or current measurements of the electronic submersible pump at a high-sampled frequency or continually. ### Claim 18 (depends on 16) The processing circuit of claim 16, further comprising recalibrating a surface component of the baseline signature profile in response to: observing a change in the surface-level data greater than a predetermined surface threshold; and the difference between the frequency analysis of the second downhole-level data set and the baseline signature profile being less than the predetermined downhole threshold. ### Claim 19 (depends on 16) The processing circuit of claim 16, further comprising identifying a change in the surface-level data greater than a predetermined surface threshold, wherein a transmission of the second downhole-level data set occurs in response to identifying such a change. ### Claim 20 (depends on 16) The processing circuit of claim 16, further comprising establishing, for each of a variety of pump operating conditions, signature profiles based on a correlation of the surface-level data with the first or second set of downhole-level data.