Reactivity Mapping for Cement Composition Selection

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Solution Overview

Problem

The development of cement compositions for well cementing that achieve satisfactory mechanical properties in a reasonable time period is challenging due to unpredictable behavior of cement components, requiring extensive testing and a best-guess approach, and varying component availability across regions.

Innovation Solution

The method involves identifying and categorizing silica sources, cements, and other materials based on physicochemical properties through reactivity mapping, which generates correlations between these properties to predict mechanical properties and optimize cement compositions, reducing the need for heuristic testing and accommodating regional variations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a best-guess approach with extensive testing of multiple cement compositions is used, then satisfactory mechanical properties may be achieved, but the process becomes time-consuming and complex

Engineering Contradiction:

Improvemechanical propertiesVSAvoidselection process time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-establishing a reactivity mapping database that correlates physicochemical properties with reactivity behavior before actual cement composition selection. This allows practitioners to predict performance based on predefined correlations rather than conducting extensive trial-and-error testing for each new application, significantly reducing selection time while maintaining reliability

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent uses copying by creating a standardized reactivity mapping model that can be replicated across different regions and applications. Once the mapping between physicochemical properties and reactivity is established for a given set of materials, this correlation framework can be copied and applied to similar material sets, eliminating the need to repeat extensive testing for each new cement composition selection

Inventive Principle:

Principle #26Copying

2Reliability

If multiple cement compositions with varying additives are tested to meet engineering requirements, then satisfactory mechanical properties may be achieved, but the resulting slurry becomes complex

Engineering Contradiction:

Improvemechanical propertiesVSAvoidslurry complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical trial-and-error testing system with a predictive computational system based on reactivity mapping. By substituting physical experimentation with a database-driven prediction approach that correlates physicochemical properties to reactivity behavior, the system identifies optimal cement compositions through calculation rather than extensive physical testing, reducing slurry complexity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent applies parameter changes by focusing on key physicochemical parameters (such as composition, particle size, surface area) that correlate with reactivity behavior. By identifying and optimizing these critical parameters through the reactivity mapping database, the system determines effective cement compositions without needing to test numerous additive variations, thereby simplifying the final slurry formulation

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If cement components are selected based on regional availability, then local adaptation is achieved, but composition variability increases making selection difficult

Engineering Contradiction:

Improveregional adaptationVSAvoidcomposition consistency

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent applies universality by creating a standardized reactivity mapping framework that works across different regions and material sets. The database structure and correlation methods are designed to be universally applicable, allowing the same analytical approach to be used whether selecting from locally available materials in different geographic regions, thereby maintaining composition consistency through a unified selection criterion

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent implements feedback by continuously updating the reactivity mapping database with test results and performance data from actual field applications. This feedback loop allows the system to refine correlations and adjust for regional variations in material properties, maintaining composition consistency and reliability even as regional availability changes over time

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS11542207B2Selecting supplemental cementitious materials for specific performance characteristic

Publication Date: 2023.01.03 HALLIBURTON ENERGY SERVICES INC

AI summary

A method may include: analyzing each of a group of inorganic particles to generate data about physicochemical properties of each of the inorganic particles; and generating a correlation between a reactivity index of each of the inorganic particles and the data.