Method, system and apparatus for generating decision trees integrated with petro-technical workflows

• US 7,502,771 B2
• Filed: 05/11/2006
• Issued: 03/10/2009
• Est. Priority Date: 05/11/2006
• Status: Active Grant

• Current Assignee: 3es innovation, Inc. (3esi-Enersight Corp.)
• Original Assignee: Schlumberger Technology Corporation (SLB)
• Inventors: Virine, Lev, McVean, Jason, Neisch, Daniel, Bouzas, Horacio R., Brady, Jim
• Primary Examiner(s): Vincent; David R
• Assistant Examiner(s): Bharadwaj; Kalpana
• Application Number:
  US11/432,121
• Publication Number:
  US 20070282774A1
• Time in Patent Office: 1,034 Days
• Field of Search: None
• US Class Current: 706/45
• CPC Class Codes: G06F 8/10 Requirements analysis; Specification techniques
• CPC Class Codes: G06Q 10/0633 Workflow analysis
• CPC Class Codes: G06Q 10/06375 Prediction of business process outcome or impact based on a proposed change

Abstract

A method of generating a decision tree for a seismic to simulation workflow, including: identifying a plurality of elements of the seismic to simulation workflow; receiving a plurality of modeling scenarios for each of the plurality of elements, where each of the plurality of modeling scenarios is associated with a realization of the seismic to simulation workflow; receiving a plurality of probabilities for the plurality of modeling scenarios; and generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, where each level of the decision tree is associated with one of the plurality of elements, where the plurality of nodes are associated with the plurality of modeling scenarios, and where the plurality of branches are based on the plurality of probabilities.

Claims

1. A computerized method of generating a decision tree for a seismic to simulation workflow, comprising:

identifying a plurality of elements of the seismic to simulation workflow;

receiving a plurality of modeling scenarios for each of the plurality of elements, wherein plurality of modeling-scenarios are associated with a plurality of realizations of the seismic to simulation workflow;

receiving a plurality of probabilities for the plurality of modeling scenarios;

generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, wherein each level of the decision tree is associated with one of the plurality of elements, wherein the plurality of nodes are associated with the plurality of modeling scenarios, and wherein the plurality of branches arc based on the plurality of probabilities;

selecting, from the decision tree, a realization of the plurality of realizations; and

running the seismic to simulation workflow based on the realization to eliminate low profitability options of a reservoir.

2. The method of claim 1, wherein generating the decision tree comprises:

selecting an economic engine for calculating a plurality of ecocnomic value measures;

receiving a plurality of economic cases from the economic calculation engine; and

mapping the plurality of economic cases to the plurality of modeling scenarios.

3. The method of claim 2, wherein generating the decision tree further comprises:

receiving a plurality of economic indicators from the economic calculation engine;

selecting a primary value measure from the plurality of economic indicators;

selecting a secondary value measure from the plurality of economic indicators; and

selecting a case as a base case in accordance with the selected economic calculation engine.

4. The method of claim 3, wherein generating the decision tree further comprises:

setting a set of decision criteria, said decision tree being calculated and generated in response to the setting step on the condition that the economic calculation engine and said case and said primary value measure and said secondary value measure is selected.

17. The method of claim 1, wherein at least one of the plurality of elements is selected from a group consisting of flow simulations, wells, and three-dimensional grids.

5. A program storage device readable by a machine tangibly embodying a program of instructions executable by the machine to perform method steps for generating a decision tree for a seismic to simulation workflow, said method steps comprising:

identifying a plurality of elements of the seismic to simulation workflow;

receiving a plurality of modeling scenarios for each of the plurality of elements, wherein the plurality of modeling scenarios are associated with a plurality of realizations of the seismic to simulation workflow;

receiving a plurality of probabilities for the plurality of modeling scenarios;

generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, wherein each level of the decision tree is associated with one of the plurality of elements, wherein the plurality of nodes are associated with the plurality of modeling scenarios, and wherein the plurality of branches are based on the plurality of probabilities;

selecting, from the decision tree, a realization of the plurality of realizations; and

running the seismic to simulation workflow based on the realization to eliminate low profitability options of a reservoir.

6. The program storage device of claim 5, wherein generating a decision tree comprises:

selecting an economic calculation engine for calculating a plurality of economic value measures;

receiving a plurality of economic cases from the economic calculation engine; and

mapping the plurality of economic cases to the plurality of modeling scenarios.

7. The program storage device of claim 6, wherein generating a decision tree further comprises:

receiving a plurality of economic indicators from the economic calculation engine;

selecting a primary value measure from the plurality of economic indicators;

selecting a secondary value measure from the plurality of economic indicators; and

selecting a case as a base case in accordance with the selected economic calculation engine.

8. The program storage device of claim 7, wherein generating the decision tree further comprises:

setting a set of decision criteria, said decision tree being calculated and generated in response to the setting step.

18. The program storage device of claim 5, wherein at least one of the plurality of elements is selected from a group consisting of flow simulations, wells, and three-dimensional grids.

9. A system for generating a decision tree for a seismic to simulation workflow, comprising:

first apparatus for identifying a plurality of elements of the seismic to simulation workflow, for receiving a plurality of modeling scenarios for each of the plurality of elements, wherein the plurality of modeling scenarios are associated with a plurality of realizations of the seismic to simulation workflow, and for receiving a plurality of probabilities for the plurality of modeling scenarios; and

second apparatus for generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, wherein each level of the decision tree is associated with one of the plurality of elements, wherein the plurality of nodes are associated with the plurality of modeling scenarios, and wherein the plurality of branches are based on the plurality of probabilities;

third apparatus for selecting from the decision tree, a realization of the plurality of realizations; and

fourth apparatus for running the seismic to simulation workflow based on the realization to eliminate low profitability options of a reservoir.

10. The system of claim 9, wherein the second apparatus for generating a decision tree comprises:

apparatus for selecting an economic calculation engine for calculating a plurality of economic value measures;

apparatus for receiving a plurality of economic cases from the economic calculation engine; and

apparatus for mapping the plurality of economic cases to the plurality of modeling scenarios.

11. The system of claim 10, wherein the second apparatus for generating a decision tree further comprises:

apparatus for receiving a plurality of economic indicators from the economic calculation engine;

apparatus for selecting a primary value measure from the plurality of economic indicators;

apparatus for selecting a secondary value measure from the plurality of economic indicators; and

apparatus for selecting a case as a base case in accordance with the selected economic calculation engine.

12. The system of claim 11, wherein the second apparatus adapted for generating a decision tree further comprises:

apparatus adapted for setting a set of decision criteria, said decision tree being calculated and generated in response to said setting a set of decision criteria.

19. The system of claim 9, wherein at least one of the plurality of elements is selected from a group consisting of flow simulations, wells, and three-dimensional grids.

13. A computer program to be executed by a processor, said computer program, when executed by said processor, conducting a process for generating a decision tree, said process comprising:

identifying a plurality of elements of the seismic to simulation workflow;

receiving a plurality of modeling scenarios for each of the plurality of elements, wherein the plurality of modeling scenarios are associated with a plurality of realizations of the seismic to simulation workflow;

realizations of the seismic to simulation workflow;

receiving a plurality of probabilities for the plurality of modeling scenarios;

generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, wherein each level of the decision tree is associated with one of the plurality of elements, wherein the plurality of nodes are associated with the plurality of modeling scenarios, and wherein the plurality of branches are based on the plurality of probabilities;

selecting from the decision tree, a realization of the plurality of realizations; and

running the seismic to simulation workflow based on the realization to eliminate low profitability options of a reservoir.

14. The computer program of claim 13, wherein generating the decision tree comprises:

selecting an economic calculation engine for calculating a plurality of economic value measures;

receiving a plurality of economic cases from the economic calculation engine; and

mapping the plurality of economic cases to the plurality of modeling scenarios.

15. The computer program of claim 14, wherein generating the decision tree further comprises:

receiving a plurality of economic indicators from the economic calculation engine;

selecting a primary value measure from the plurality of economic indicators;

selecting a secondary value measure from the plurality of economic indicators; and

selecting a case as a base case in accordance with the selected economic calculation engine.

16. The computer program of claim 15, wherein generating the decision tree further comprises:

setting a set of decision criteria, said decision tree being calculated and generated in response to the setting step.

20. The computer program of claim 13, wherein at least one of the plurality of elements is selected from a group consisting of flow simulations, wells, and three-dimensional grids.