Modular Cyclonic Solids Separator for High-Pressure Wells
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Solution Overview
Problem
Current technologies for solids control in hydrocarbon wells, such as cyclone separators, face inefficiencies in separating solids from high-pressure fluid matrices, requiring additional energy and maintenance, and are not designed to handle high temperatures and pressures effectively, leading to increased operational costs and potential equipment damage.
Innovation Solution
A modular solids separation system incorporating a cyclonic separation principle with a slotted tube and wear sleeves, which generates a vortex to separate solids from fluids at high pressures and temperatures, utilizing a cylindrical-spherical main body with specific geometries and materials to withstand erosive forces, and includes a solids collection and monitoring system for efficient solids removal and analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cyclone separators are used for solids separation, then separation efficiency is improved, but energy consumption increases due to high pressure drops
Solution Approach 1:
The cyclone separator is divided into multiple stages with different separation efficiencies. Coarse separation occurs in the first stage with lower pressure drop, while fine separation occurs in subsequent stages. This segmentation allows the system to achieve high overall separation efficiency without requiring excessively high pressure drops in a single stage, thereby reducing energy consumption.
Solution Approach 2:
The patent employs adjustable inlet velocity and cyclone geometry parameters to optimize the balance between separation efficiency and pressure drop. By dynamically adjusting operational parameters rather than relying on fixed high-pressure designs, the system achieves effective solids separation while minimizing energy consumption.
2Reliability
If high-pressure separation is used to handle high-pressure fluid matrices, then separation effectiveness is improved, but equipment durability worsens due to erosive forces
Solution Approach 1:
The cyclone separator components are constructed from composite materials and coatings with enhanced erosion resistance. The housing and internal surfaces utilize material combinations that maintain structural integrity under high-pressure conditions while resisting wear from solid particles, thereby extending equipment durability without compromising separation effectiveness.
Solution Approach 2:
The design incorporates erosion-resistant linings and protective coatings on surfaces exposed to high-velocity solid-fluid mixtures. This beforehand protection cushions the equipment against erosive forces, allowing sustained operation at high pressures without rapid degradation of equipment durability.
3Reliability
If additional energy is provided to enhance separation, then separation efficiency is improved, but operational costs increase
Solution Approach 1:
The cyclone separator utilizes the kinetic energy and pressure differential inherent in the incoming solid-fluid mixture to drive the separation process. The design optimizes natural flow patterns and vortex formation without requiring additional external energy inputs such as pumps or motors, thereby maintaining high separation efficiency while minimizing operational costs.
Solution Approach 2:
The patent optimizes geometric parameters of the cyclone separator (inlet angle, body diameter, cone angle, outlet position) to maximize separation efficiency using the available pressure differential. By carefully selecting these parameters, the system achieves effective separation without needing to increase energy input, thus controlling operational costs.
4Reliability
If conventional cyclone separators are used, then solids separation is achieved, but maintenance requirements increase
Solution Approach 1:
The cyclone separator is designed with removable and replaceable internal components such as the vortex finder, outlet pipe, and liner sections. This modular extraction capability allows maintenance personnel to quickly remove worn or clogged parts for cleaning or replacement without dismantling the entire separator, significantly reducing maintenance time and complexity while maintaining solids separation capability.
Solution Approach 2:
The separator is divided into modular sections that can be independently accessed and maintained. Internal components are designed as separate replaceable units, allowing targeted maintenance of only the affected sections rather than complete system shutdown and overhaul, thereby reducing overall maintenance requirements.
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 system achieves high separation efficiency (>93%) with reduced energy consumption, minimal maintenance, and extended operational time by effectively separating solids from fluids at high pressures and temperatures, reducing downtime and operational costs.
Implementation Method 1
A modular solids separation system incorporating a cyclonic separation principle with a slotted tube and wear sleeves, which generates a vortex to separate solids from fluids at high pressures and temperatures
Implementation Method 2
separation of solids from a fluid matrix, by means of the formation of a helical trajectory, where a vortex is generated around an axis in the direction of gravity. The effect of the vortex and the forces involved is the separation of granular solids from the fluid matrix
Data Source
AI summary
The present disclosure relates to equipment, procedures, and materials for the diagnosis and control of formation and/or fracture granular solids from hydrocarbon-producing zones, produced during the operation of wells in the oil industry. This surface technology does not require the use of repair equipment and relies on filtering elements and sieves installed in a high-efficiency equipment that takes advantage of the cyclonic effect of phase separation, designed, and built to safeguard the integrity of the equipment and surface conduction lines.