Integrating Inflow Control Nozzle with Sand Screen Housing
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Solution Overview
Problem
In gravel packing for wells, there is a need to integrate inflow control devices with screen assemblies to manage the inflow of production fluids effectively, while existing solutions face challenges in reliability and manufacturing complexity.
Innovation Solution
A sand control assembly is designed with a base pipe having perforations, a housing, and integrated inflow control devices via nozzle rings, creating a seal to control fluid flow, which simplifies manufacturing and enhances reliability by reducing stress on actuation components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inflow control devices are integrated with screen assemblies, then control over fluid inflow is improved, but device complexity increases
Solution Approach 1:
The patent combines the screen assembly and inflow control device into a single integrated unit. The nozzle is positioned within the screen assembly housing, with the base pipe serving as both the screen support and structural element. This merging eliminates the need for separate control devices while maintaining effective inflow management.
Solution Approach 2:
The base pipe performs multiple functions: it supports the screen assembly, provides structural integrity, and serves as the housing for the inflow control nozzle. The integrated design allows a single component to fulfill multiple roles, reducing overall system complexity while maintaining control functionality.
2Device complexity
If traditional separate control devices are used, then device complexity is reduced, but control precision deteriorates
Solution Approach 1:
By integrating the nozzle directly into the screen assembly, the patent ensures precise positioning and alignment of the control device relative to the screen. This integration eliminates alignment errors that would occur with separate components, thereby improving control precision without significantly increasing manufacturing complexity.
3Ease of manufacture
If integrated design is implemented, then manufacturing cost is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The integrated design reduces the number of separate components that need to be manufactured and assembled, thereby lowering overall manufacturing costs. The nozzle, base pipe, and screen assembly form a unified structure that can be manufactured as a single unit or pre-assembled module, reducing labor and material costs associated with multiple separate components.
Solution Approach 2:
While the overall design is integrated, the patent allows for modular manufacturing where the nozzle can be manufactured separately and then installed into the base pipe. This segmentation approach enables precise manufacturing of individual components using standard tolerances, while still achieving the benefits of an integrated final assembly.
Data Source
AI summary
A sand control assembly includes a base pipe having at least one perforation, a housing, and at least one inflow control device integrated within the housing via an associated ring secured to the housing and the base pipe, the at least one inflow control device and the associated ring creating a seal. The housing is disposed around the exterior of the base pipe, and the housing is secured to a bypass ring at a first end of the housing and secured to the base pipe at a second end of the housing via a weld end ring. A longitudinal axis of the at least one inflow control device is parallel to a longitudinal axis of the base pipe.