Integrated Well Planning System Workflow Control

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Solution Overview

Problem

Current wellbore construction planning systems lack integration of interdependencies among various disciplines, leading to inefficiencies and increased time in creating accurate well design results, as they operate as independent tools rather than interconnected workflows.

Innovation Solution

An automated well planning system that integrates well construction planning with geological and geomechanical models, using a drilling simulator to generate cost estimates and risk assessments, allowing for quick screening and economic evaluation of prospects, and enabling rapid assessment of new technologies or approaches.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If independent tools are used for individual tasks by various disciplines, then each tool can be specialized and easy to operate, but the interdependencies among tasks cannot be accounted for and the overall planning process takes longer

Engineering Contradiction:
Improveease of operationVSAvoidproductivity
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent combines multiple independent disciplinary tools into a single integrated wellbore construction planning system. The system merges geology, geomechanics, drilling engineering, and other disciplinary tools into one unified platform that can process interdependencies across all tasks simultaneously, thereby improving overall productivity while maintaining ease of operation through a cohesive interface.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The planning system is designed as a universal platform that performs multiple functions across different disciplines. It can handle geological modeling, geomechanical analysis, drilling parameter optimization, and risk assessment all within one system, eliminating the need for separate specialized tools and improving workflow efficiency.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If a comprehensive integrated system is created to account for all interdependencies, then planning accuracy and reliability improve, but system complexity increases

Engineering Contradiction:
ImprovereliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The integrated planning system is segmented into distinct functional modules corresponding to different disciplines (geology, geomechanics, drilling engineering, etc.). Each module handles specific tasks while the system manages interdependencies between modules, thereby achieving comprehensive reliability without overwhelming complexity in any single component.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system introduces a workflow management intermediary that coordinates between different disciplinary modules. This intermediary layer manages the complex interdependencies by orchestrating data flow and task sequencing, allowing the system to maintain high reliability while keeping individual module complexity manageable.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Measurement precision

If multiple independent tools are used for wellbore construction planning, then each tool can be optimized for its specific task, but the time required to create accurate results increases

Engineering Contradiction:
ImproveaccuracyVSAvoidtime
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The integrated system enables continuous processing of wellbore construction planning tasks by eliminating the sequential handoff between independent tools. Data flows continuously across disciplinary modules with automatic updates and interdependency resolution, maintaining high accuracy while significantly reducing the time required to produce results.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS7539625B2Method and apparatus and program storage device including an integrated well planning workflow control system with process dependencies
Publication Date: 2009.05.26 SCHLUMBERGER TECH CORP
  • US7539625B2 patent drawing
  • US7539625B2 patent drawing
  • US7539625B2 patent drawing

AI summary

A method of well planning in an automatic well planning system comprises the steps of: selecting one or more tasks in a task manager; verifying by a task dependency a proper order of the one or more tasks; retrieving by the task manager from a task base one or more sets of instructions associated with the one or more tasks selected in the task manager and verified by the task dependency; retrieving by the task manager from an access manager one or more sets of input data associated with the one or more sets of instructions retrieved by the task manager from the task base; verifying that each set of input data of the one or more sets of input data retrieved by the task manager from the access manager is received by a corresponding one of the one or more sets of instructions retrieved by the task manager from the task base; executing, by the task manager, the one or more sets of instructions and using, by the task manager, the one or more sets of input data during the executing step thereby generating a set of results; and recording or displaying, by a task view base, the set of results on a recorder or display device.