Rotating Aging Cell for Wellbore Fluid Thermal Detection
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Solution Overview
Problem
Measuring the properties of wellbore treatment fluids, such as viscosity and thermal conductivity, is challenging, especially when determining their suitability for wellbore operations, as existing methods are inefficient and do not provide real-time data on rheological degradation.
Innovation Solution
An aging cell system with sensors, including thermal conductivity and temperature sensors, is used to test wellbore treatment fluids by rotating them in a roller oven, allowing for simultaneous measurement of properties like viscosity and shear rate, and utilizing a library of similar fluids to scale responses for real-time approximation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional methods are used to measure wellbore treatment fluid properties, then measurement can be performed, but the measurement process is difficult and inefficient without real-time data capability
Solution Approach 1:
The patent replaces traditional mechanical measurement systems with a thermal-based measurement system. A thermal sensor measures the thermal response of the fluid as it flows through the aging cell, and this thermal data is converted to viscosity measurements. This substitution enables continuous, real-time monitoring without the complexity of traditional mechanical viscometers, resolving the contradiction between measurement efficiency and measurement difficulty.
2Reliability
If real-time measurement of fluid properties is implemented, then continuous performance indication is achieved, but system complexity increases
Solution Approach 1:
The patent introduces a thermal sensor as an intermediary measurement device that indirectly measures viscosity through thermal response rather than direct mechanical measurement. This intermediary approach enables continuous monitoring while maintaining relatively simple system architecture, as the thermal sensor can be easily integrated into the aging cell without requiring complex mechanical components or multiple measurement devices.
3Measurement precision
If aging cell rotation is implemented to improve measurement accuracy, then better fluid property determination is achieved, but the measurement system becomes more complex
Solution Approach 1:
The aging cell serves multiple functions: it ages the fluid under controlled temperature and pressure conditions, provides continuous flow for real-time measurement, and enables rotational measurement to assess viscosity at different shear rates. This multi-functionality allows the single aging cell device to achieve comprehensive fluid property characterization without requiring multiple separate measurement instruments, thereby improving measurement precision while limiting the increase in system complexity.
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
The aging cell system provides continuous performance indication and faster determination of wellbore treatment fluid suitability, improving time-temperature data and enabling timely adjustments to maintain fluid efficacy during operations.
Implementation Method 1
The one or more sensors can include a thermal conductivity sensor, a temperature sensor, or any other suitable sensor for measuring the one or more properties of the wellbore treatment fluid
Implementation Method 2
The one or more sensors can include a thermal conductivity sensor, a temperature sensor, or any other suitable sensor for measuring the one or more properties of the wellbore treatment fluid
Data Source
AI summary
A system can be used to determine properties of a wellbore treatment fluid. The system can include a rotational system defining an axis of rotation and an aging cell. The aging cell can be positioned in the rotational system to rotate about the axis of rotation. The aging cell can include a housing, a sensor shaft, and a sensor. The housing can define an interior region of the aging cell to receive a wellbore treatment fluid. The sensor shaft can be at an angle from the axis of rotation and can be coupled to the interior region to transmit electronic signals about the wellbore treatment fluid. The sensor can be positioned on the sensor shaft to detect the electronic signals while the aging cell rotates about the axis of rotation, and the electronic signals can be used to determine the properties of the wellbore treatment fluid.