Self-Loading Waste Capsule Deployment in Viscous Wellbores
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Solution Overview
Problem
Current methods for disposing of waste in deep underground formations are expensive, time-consuming, and prone to accidents due to the need for extensive drilling operations and manual handling of waste capsules, which increases the risk of damage and exposure to hazardous materials.
Innovation Solution
The implementation of a self-loading system where waste capsules are dropped into fluid-filled wellbores with controlled viscosity, allowing them to reach a terminal velocity that enables safe and efficient deployment without external force, reducing the need for expensive equipment and minimizing surface operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional drilling and manual handling methods are used for waste capsule disposal, then waste can be disposed of in deep underground formations, but the process becomes expensive, time-consuming, and prone to accidents
Solution Approach 1:
The waste capsule system is designed to automatically load itself into the wellbore using gravity and controlled viscosity fluids, eliminating the need for expensive drilling rigs and manual handling. The capsule contains its own deployment mechanism that activates upon contact with the viscous fluid, allowing rapid sequential disposal without external assistance.
Solution Approach 2:
The patent replaces complex mechanical drilling and handling systems with a gravity-based drop system. Instead of using drilling rigs to lower capsules, the capsules are simply dropped into the wellbore and propelled by gravity, with the viscous fluid providing controlled deceleration and activation.
2Ease of manufacture
If expensive drilling rigs and sophisticated equipment are used, then waste capsules can be delivered into wellbores, but the operation becomes costly and time-consuming
Solution Approach 1:
The waste capsule contains an integrated deployment system that automatically activates when the capsule contacts the viscous fluid in the wellbore. This self-activating mechanism eliminates the need for complex surface equipment and manual operations, allowing rapid sequential disposal of multiple capsules.
Solution Approach 2:
The patent changes the physical parameters of the wellbore environment by filling it with a viscous fluid of specific viscosity. This fluid parameter change provides controlled deceleration for dropped capsules and triggers the deployment mechanism, enabling simple gravity-based insertion without expensive equipment.
3Reliability
If manual handling of waste capsules is performed, then capsules can be positioned in wellbores, but the risk of damage and exposure to hazardous materials increases
Solution Approach 1:
The capsule deployment system is fully automated through self-activation upon contact with the viscous fluid. The capsule's own kinetic energy from the gravity-driven drop triggers the deployment mechanism, eliminating all manual handling operations and associated risks of damage or exposure.
Solution Approach 2:
The viscous fluid serves as an intermediary medium that facilitates capsule deployment without direct mechanical contact. The fluid's viscosity provides controlled deceleration and triggers the deployment mechanism through hydrodynamic forces, eliminating the need for mechanical grippers or manual handling equipment.
4Productivity
If traditional drilling operations are used, then wellbores can be created for waste storage, but extensive drilling and completion operations are required
Solution Approach 1:
The waste capsule automatically deploys its contents upon contact with the viscous fluid in the wellbore, eliminating the need for complex surface equipment to force or push capsules downhole. This self-activating mechanism enables rapid sequential disposal at high rates.
Solution Approach 2:
The patent replaces complex mechanical pushing or forcing systems with a gravity-based drop system. The viscous fluid provides the necessary force for both deceleration and mechanism activation, eliminating the need for expensive drilling rig equipment during the disposal operation.
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 allows for rapid, safe, and cost-effective disposal of waste capsules by optimizing the terminal velocity of the capsules as they fall, reducing the risk of damage and exposure, and significantly decreasing the time and cost associated with traditional disposal methods.
Implementation Method 1
allowing them to reach a terminal velocity that enables safe and efficient deployment
Implementation Method 2
dropped into fluid-filled wellbores with controlled viscosity
Implementation Method 3
all under the effect of gravity
Data Source
AI summary
Self-loading systems and methods for disposal of waste materials in a deep underground formation may include at least one wellbore that runs from the Earth's surface to the deep underground formations, wellbore viscous fluid within that at least one wellbore, and at least one waste capsule, wherein the at least one waste capsules houses some waste and is configured to fall within both the at least one wellbore and the wellbore viscous fluid. The systems and methods may also include at least one human-made cavern located in the deep underground formation and connected to the at least one wellbore, wherein the at least one human-made cavern may be configured to receive the at least one waste capsule. The systems and methods may also include a counter for counting waste capsules and/or a robot for dropping waste capsules into a wellhead leading to the at least one wellbore.