Two-stage multi-objective optimization scheme for wellbore cleanup with an emissions measure

Abstract

A method comprising designing an arrangement for cleanup of a wellbore 302; placing data relating to the arrangement into a simulator 304 from which the output feeds into both an emissions engine and

Claims

1. A method, comprising:designing an arrangement for cleanup of a wellbore;placing data pertaining to the arrangement for cleanup of the wellbore into a simulator designed to determine a simulator output for the arrangement;feeding the simulator output for the arrangement into both an emissions engine and a cleanup evaluator to achieve an emissions engine output and a cleanup evaluator output;inputting the cleanup evaluator output and the emissions engine output into an aggregator to achieve an aggregated solution;optimizing the aggregated solution to achieve optimized results; and performing the method repetitively for all times related to a choke schedule.

2. The method according to claim 1, wherein the arrangement includes at least one pump.

3. The method according to claim 1, wherein the designing of the arrangement is performed by a computer.

4. The method according to claim 1, wherein the designing of the arrangement for cleanup of the wellbore is performed by an operator.

5. The method according to claim 1, wherein the optimizing the aggregated solution is through a radial basis function.

6. The method according to claim 1, wherein the choke schedule determines a flow from the wellbore during cleanup activities.

8. An article of manufacture having a non-volatile memory configured to receive and store a set of instructions to be performed on a computing device, the set of instructions including a method comprising:designing an arrangement for cleanup of a wellbore;placing data pertaining to the arrangement for cleanup of the wellbore into a simulator designed to determine a simulator output for the arrangement;feeding the simulator output for the arrangement into both an emissions engine and a cleanup evaluator to achieve an emissions engine output and a cleanup evaluator output;inputting the cleanup evaluator output and the emissions engine output into an aggregator to achieve an aggregated solution;optimizing the aggregated solution to achieve optimized results; and performing the method repetitively for all times related to a choke schedule.

9. The article of manufacture according to claim 8, wherein the method contained on the non-volatile memory wherein the designing of the arrangement for cleanup of the wellbore is performed by an operator.

10. The article of manufacture according to claim 8, wherein the method contained on the non-volatile memory specifies that the optimizing the aggregated solution is through a radial basis function.

11. The article of manufacture according to claim 8, wherein the method on the nonvolatile memory specifies that the choke schedule determines a flow from the wellbore during cleanup activities.

12. The article of manufacture according to claim 11, wherein the method on the non-volatile memory specifies that the choke schedule has at least one of an open status for flow from the wellbore, a closed status for flow from the wellbore and a free flow status for flow from the wellbore.

13. A method for optimizing a cleanup of a wellbore, comprising:designing a mechanical arrangement configured to perform the cleanup of the wellbore, the mechanical arrangement having performance data;placing the performance data pertaining to the arrangement for the cleanup of the wellbore into a simulator and determining a simulator output for the arrangement;feeding the simulator output for the arrangement into both an emissions engine and a cleanup evaluator to achieve an emissions engine output and a cleanup evaluator output;inputting the cleanup evaluator output and the emissions engine output into an aggregator to achieve an aggregated solution;optimizing the aggregated solution through use of a radial basis function to achieve optimized results; andperforming the method repetitively for all times related to a choke schedule as well as for different mechanical arrangements, wherein the choke schedule is determined for safe operations at the wellhead and in the wellbore.

14. The method according to claim 13, wherein the arrangement includes at least one of a pump and a flare system.

15. The method according to claim 12, wherein the designing of the arrangement is performed by a computer equipped with artificial intelligence.

16. The method according to claim 12, wherein the choke schedule determines a flow from the wellbore over a time interval during cleanup activities.

18. The method according to claim 12, wherein method is performed on one of a personal computer, a cloud-based computer and a mobile computer.

19. The method according to claim 12, wherein the differing mechanical arrangements are chosen with respect to an emissions measure.

20. The method according to claim 19, wherein the emissions measure is a total production of carbon dioxide emitted during the cleanup process.

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