Methods and systems to optimize downhole condition identification and response using different types of downhole sensing tools

Patent metadata

Field	Value
Publication number	US-11630234-B2
Application number	US-201616338026-A
Country	US
Kind code	B2
Filing date	Dec 8, 2016
Priority date	Dec 8, 2016
Publication date	Apr 18, 2023
Grant date	Apr 18, 2023

Abstract

A system includes different types of downhole sensing tools deployed in a borehole, wherein the different types of downhole sensing tools are optimized to identify a downhole condition based on a predetermined downhole evaluation plan that accounts for sensing tool availability and performance constraints. The system also includes at least one processing unit configured to analyze measurements collected by the different types of downhole sensing tools, wherein the collected measurements are analyzed together to identify the downhole condition. The system also includes at least one device that performs an operation in response to the identified downhole condition.

First claim

What is claimed is:

1. A system that comprises:
different types of downhole sensing tools deployed in a borehole, wherein the different types of downhole sensing tools are selected, arranged, and controlled to optimize identification of a downhole condition based on a predetermined downhole evaluation plan that accounts for sensing tool availability and performance constraints, wherein the predetermined downhole evaluation plan involves:
modeling a relationship between sensor configurations, formation conditions, and intermediate decision variables, the model correlating different combinations of the different types of downhole sensing tools with the intermediate decision variables, and
solving a decision-making problem formulated in a space defined by all the intermediate decision variables that corresponds to a desired sensor configuration;

at least one processing unit configured to analyze measurements collected by the different types of downhole sensing tools, wherein the collected measurements are analyzed together to identify the downhole condition; and
at least one device that performs an operation in response to the identified downhole condition.

2. The system of claim 1 , wherein the performance constraints include a cost constraint, an accuracy constraint, a reliability constraint, and a time constraint.

3. The system of claim 1 , wherein the predetermined downhole evaluation plan is based on a selection of one of a plurality of different downhole evaluation plans.

4. The system of claim 3 , wherein the selection is performed by a user.

5. The system of claim 3 , wherein the selection is performed based on minimizing an objective function.

6. The system according to claim 1 , wherein the at least one processing unit analyzes the measurements together to identify the downhole condition based on a predetermined correlation matrix.

7. The system according to claim 1 , wherein the at least one processing unit analyzes the measurements together to identify the downhole condition based on a predetermined weighting matrix.

8. The system according to claim 1 , wherein the at least one device comprises a perforator.

9. The system according to claim 1 , wherein the at least one device comprises an output device that displays a representation of the downhole condition.

10. The system according to claim 1 , wherein some of the different types of downhole sensing tools are permanently installed in the borehole.

11. The system according to claim 1 , wherein some of the different types of downhole sensing tools are temporarily deployed in the borehole.

12. A method that comprises:
selecting, arranging, and controlling different types of downhole sensing tools deployed to optimize identification of a downhole condition based on a predetermined downhole evaluation plan that accounts for sensing tool availability and performance constraints, wherein the predetermined downhole evaluation plan involves:
modeling a relationship between sensor configurations, formation conditions, and intermediate decision variables, the model correlating different combinations of the different types of downhole sensing tools with the intermediate decision variables, and
solving a decision-making problem formulated in a space defined by all the intermediate decision variables that corresponds to a desired sensor configuration;

analyzing, by at least one processing unit, measurements collected by the different types of downhole sensing tools, wherein the measurements are analyzed together to identify the downhole condition; and
performing, by at one least device, an operation in response to the identified downhole condition.

13. The method of claim 12 , wherein the performance constraints include a cost constraint, an accuracy constraint, a reliability constraint, and a time constraint.

14. The method of claim 12 , wherein the predetermined downhole evaluation plan is based on a selection of one of a plurality of different downhole evaluation plans.

15. The method according to claim 12 , wherein analyzing the measurements together to identify the downhole condition is performed based on a predetermined correlation matrix and a weighting matrix.

16. The method according to claim 12 , wherein the at least one device comprises a perforator deployed in a borehole.

17. The method according to claim 12 , wherein some of the different types of downhole sensing tools are permanently installed in a borehole.

18. The method according to claim 12 , wherein some of the different types of downhole sensing tools are temporarily deployed in a borehole.

Assignees

• Halliburton Energy Services Inc

Inventors

• Dykstra Jason D
• Zhao Yiming
• Song Xingyong
• Bu Fanping

Classifications

• G01V1/50

  Analysing data · CPC title

• G01V2210/663

  Modeling production-induced effects · CPC title

• G01V3/38 Primary

  Processing data, e.g. for analysis, for interpretation, for correction · CPC title

• G01V3/18

  specially adapted for well-logging · CPC title

• G01V11/00

  Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00 · CPC title