Retrievable Flow Control Device for Wellbore Drainage
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Solution Overview
Problem
Existing wellbore systems face challenges in achieving even fluid drainage across production zones, leading to undesirable conditions such as gas or water cones that can reduce hydrocarbon production, and there is a need for controlled fluid injection to enhance production rates and drainage patterns.
Innovation Solution
The implementation of a system comprising a particulate control device and a retrievable flow control device that adjusts flow parameters, including flow rate and pressure differential, to manage fluid flow between a wellbore tubular and a subterranean formation, using a flow restriction element that can be inserted and retrieved using a running tool to control fluid injection and drainage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional wellbore systems are used without flow control devices, then the system is simpler and easier to operate, but uneven drainage occurs causing gas or water cones that reduce hydrocarbon production
Solution Approach 1:
The flow control system is divided into multiple independent flow control devices positioned at different locations along the wellbore. Each device can be independently configured and adjusted to control drainage from specific production zones, enabling even fluid distribution while maintaining operational simplicity through modular design
Solution Approach 2:
The flow control devices incorporate adjustable flow restriction elements that can be dynamically modified to change flow parameters. This allows the system to adapt to varying production conditions and optimize hydrocarbon recovery without requiring complete system replacement, balancing complexity with operational flexibility
2Manufacturing precision
If flow control devices with retrievable elements are implemented, then flow parameters can be precisely controlled and adjusted, but the device complexity increases due to additional components and retrieval operations
Solution Approach 1:
The flow restriction elements are designed as separable, retrievable components that can be extracted from the flow control devices using running tools. This allows precise flow parameter control through element selection and replacement while simplifying maintenance and adjustment operations without requiring complex integrated mechanisms
Solution Approach 2:
The system enables replacement of flow restriction elements with different flow characteristics as production conditions change. Elements can be retrieved and replaced without removing the entire flow control device, providing precise flow control adjustment while reducing overall system complexity through modular component management
3Stability of the object's composition
If multiple flow control devices are positioned along the wellbore to achieve even drainage, then gas and water cone formation is reduced, but the difficulty of detecting and measuring flow conditions increases
Solution Approach 1:
The flow control system incorporates monitoring capabilities that provide feedback on flow conditions at different wellbore locations. This enables detection and measurement of drainage characteristics, allowing operators to adjust flow restriction elements to achieve uniform drainage while reducing gas and water cone formation through data-driven control
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 solution enables controlled and balanced fluid flow, reducing the risk of gas or water cones and allowing for targeted fluid injection to enhance hydrocarbon production and improve drainage patterns, thereby optimizing wellbore performance.
Implementation Method 1
a flow restriction element (124) positioned within the flow control device (120)... configured to control a flow parameter of a fluid flowing between the particulate control device (110) and a bore (52) of the wellbore tubular (20)
Data Source
AI summary
An apparatus and associated method for controlling a flow of a fluid between a wellbore tubular and a formation may utilize a particulate control device positioned external to the wellbore tubular and a flow control device having a retrievable flow restriction element that controls a flow parameter of a fluid flowing between the particulate control device and a bore of the wellbore tubular. The flow control device may be re-configured in the wellbore and/or be used to inject a fluid into the formation.