Composite Reamer Framework for Wellbore Enlargement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing reaming tools for wellbores often require additional equipment to enlarge the borehole diameter beyond the nominal cutting diameter of drill bits, and current designs may face challenges in material integrity and cost efficiency during manufacturing.
Innovation Solution
A composite reamer framework featuring a tubular stem with connectors and a body composed of coupled plates, allowing for adjustable and interchangeable components such as stabilizers and cutting elements, which can be coupled along the stem or in a drill string, enabling efficient enlargement of wellbore diameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional reamer frameworks are used, then structural integrity is maintained, but material costs increase and heat-induced integrity issues occur
Solution Approach 1:
The reamer framework is divided into multiple modular components including a body assembly, stabilizer assembly, and cutting element assembly that can be manufactured separately and assembled together. This segmentation allows each component to be optimized for its specific manufacturing process and material requirements, reducing overall manufacturing complexity and cost while maintaining structural integrity.
Solution Approach 2:
The patent employs composite material construction in the framework, combining different materials with complementary properties to achieve both strength and cost-effectiveness. The body assembly may use high-strength alloys for structural integrity while non-critical components use more economical materials, creating a composite structure that balances performance and manufacturing cost.
2Adaptability or versatility
If conventional reamer designs are used, then simplicity of structure is maintained, but adaptability for different wellbore conditions decreases
Solution Approach 1:
The reamer incorporates adjustable and interchangeable components such as replaceable cutting elements, adjustable stabilizers, and modular body sections that can be configured for different wellbore conditions and reaming requirements. This dynamic configurability allows the same basic framework to adapt to various operational needs without requiring complete redesign.
Solution Approach 2:
The framework design incorporates universal mounting interfaces and standardized connection points that allow different cutting elements, stabilizers, and other components to be interchanged on the same body assembly. This multi-functionality enables a single reamer platform to perform multiple reaming tasks across different wellbore scenarios.
3Productivity
If additional equipment is used to enlarge borehole diameter, then reaming capability is achieved, but device complexity and cost increase
Solution Approach 1:
The reamer integrates multiple functions into a single unified tool assembly, combining the borehole enlargement capability with stabilizer and cutting element functions in one integrated framework. This merging eliminates the need for separate equipment to perform these functions, reducing overall device complexity while maintaining productivity.
Solution Approach 2:
The reamer design features nested components where cutting elements, stabilizers, and other functional elements are integrated within the body assembly structure. This nesting approach allows multiple functional components to occupy the same spatial envelope, reducing the overall equipment footprint and simplifying the tool configuration while maintaining full reaming capability.
Data Source
AI summary
A reamer for subterranean wellbores may include a composite framework, which may include one or more high strength stems, each having one or more reamer bodies coupled thereto. The body may include a plurality of plates coupled together and may include additional components formed integrally therewith or coupled thereto. A method of forming a reaming tool may include forming a high strength stem and a reamer body and coupling the body to the stem. A method of using the reaming tool may include coupling one or more bodies in a drill string and reaming a wellbore.