Fracturing Fluid Additive Blending and Delivery Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional fracturing operations face inefficiencies due to poor dispersion and non-optimal concentrations of additives in fracturing fluids, leading to wasteful practices and inadequate fracturing results, with challenges in monitoring and controlling additive delivery and fluid composition.
Innovation Solution
A method for precisely controlling the volume and concentration of additives in fracturing fluids by testing and blending aqueous base fluids from various sources, including waste waters, to achieve optimal physical and chemical characteristics, ensuring homogeneous dispersion and real-time adjustments during pumping, reducing the need for large volumes of fresh water and minimizing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional pre-staging of large volumes of fracturing fluid with ad hoc additions of additives is used, then the process is simple to operate, but the dispersion of additives is poor and concentrations are non-optimal
Solution Approach 1:
The system performs preliminary testing and analysis of the aqueous base fluid at the source location before delivery to the well site. Additives are pre-blended into the base fluid based on initial testing results, ensuring optimal concentrations are achieved before the fluid leaves the source location. This preliminary action prevents the need for large volumes of fluid to be delivered and allows precise control of additive concentrations.
Solution Approach 2:
The system implements continuous feedback loops where testing and analysis are performed at multiple stages: at the source location, during transport, and at the well site. Based on test results, the system automatically adjusts additive blending rates and fluid delivery parameters to maintain optimal concentrations. This feedback mechanism ensures precise control while managing system complexity through automated control.
2Quantity of substance
If large volumes of fracturing fluid are delivered to the well site, then adequate fluid volume is available for fracturing, but the cost and environmental impact increase
Solution Approach 1:
The system performs preliminary blending of additives into the aqueous base fluid at the source location before delivery. This ensures that when the fluid is delivered to the well site, it already contains the optimal concentration of additives, eliminating the need to deliver large excess volumes of fluid to compensate for poor dispersion. The preliminary action of proper blending allows efficient use of every gallon delivered.
Solution Approach 2:
The system changes the parameter of additive concentration precision by implementing continuous monitoring and control. By maintaining precise control over additive concentrations throughout the fluid lifecycle, the system ensures optimal performance with smaller fluid volumes, reducing both water consumption and disposal requirements while maintaining adequate fracturing fluid volume.
3Stability of the object's composition
If additives are added ad hoc to fracturing fluid, then the process is simple, but the dispersion is non-homogeneous and concentrations are non-optimal
Solution Approach 1:
The system performs preliminary blending of additives into the aqueous base fluid at the source location, well before delivery to the well site. This extended blending time and controlled mixing process ensures homogeneous dispersion of additives throughout the fluid volume. The preliminary action of proper blending eliminates the non-homogeneous distribution that occurs with ad hoc additions.
Solution Approach 2:
The system implements feedback control where testing results from the base fluid and blended fluid guide the additive injection rate and mixing parameters. This continuous monitoring and adjustment ensures homogeneous dispersion is achieved and maintained throughout the blending process, while automated control manages the complexity of the blending system.
4Measurement precision
If testing and analysis are performed repeatedly on the aqueous base fluid, then accurate adjustments can be made, but the time and cost increase
Solution Approach 1:
The system performs preliminary testing and analysis of the aqueous base fluid at the source location before delivery. This early assessment identifies the required additive types and concentrations, allowing accurate adjustments to be made in advance. The preliminary action of testing prevents the need for extensive testing and adjustment at the well site, reducing overall time loss.
Solution Approach 2:
The system implements continuous testing and analysis at multiple stages (source location, during transport, and at well site) rather than discrete batch testing. This continuous monitoring allows for real-time adjustments and maintains accurate fluid composition throughout the process, optimizing the balance between measurement precision and time efficiency by preventing the need for extensive corrective testing later.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables efficient and cost-effective fracturing operations by optimizing additive concentrations and fluid volumes, improving production rates, reducing disposal costs, and ensuring environmentally friendly practices by using biodegradable additives and minimizing toxic waste.
Implementation Method 1
repeated testing and analysis of an aqueous base fluid which is utilized in formulating the fracturing fluid
Implementation Method 2
the additives are homogeneously dispersed in the aqueous base fluid by the time the aqueous base fluid is used to formulate the fracturing fluid
Implementation Method 3
the fracturing fluid is pumped at high flow rates, from 5 to 150 bbls/minute, into the well bore
Data Source
AI summary
A method for the controlled delivery of a fracturing fluid to a well bore comprises formulating an aqueous base fluid such that it meets or exhibits desired physical and chemical characteristics for an optimal fracturing fluid. The formulation of the aqueous base fluid max involve commingling one or more sources of waste water with a source of fresh water followed by controlled injection of one or more additives. This process is substantially completed prior to delivering the aqueous base fluid to the well site. This allows the delivery of an optimal volume of the aqueous base fluid with homogeneously blended additives to the well bore.