Wellbore Junction Assembly Oriented Connections
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Solution Overview
Problem
Traditional wellbore junction assemblies are inflexible and cannot be easily configured to suit specific well circumstances, limiting their ability to provide selective access and fluid communication between wellbore sections.
Innovation Solution
A variably configurable wellbore junction assembly that uses oriented connections to interchangeably connect tubular strings to a connector, allowing for selective access and fluid communication between multiple wellbore sections, with features like deflector mechanisms and flow control devices for controlled fluid management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a typical wellbore junction configuration is used, then the structure is simple and easy to manufacture, but it cannot be changed to suit particular well circumstances
Solution Approach 1:
The wellbore junction assembly is divided into separate modular components including a first tubular string, a second tubular string, a third tubular string, and a connector. These segments can be independently configured and assembled to suit different well circumstances, providing adaptability while maintaining manufacturing simplicity for each individual component.
Solution Approach 2:
The junction assembly incorporates flow control devices that can be opened or closed to dynamically change the configuration and fluid communication paths between wellbore sections. This dynamic capability allows the same physical structure to adapt to different operational requirements without requiring structural redesign.
2Adaptability or versatility
If multiple tubular strings are connected to a connector, then fluid communication between wellbore sections is enabled, but selective access control becomes difficult
Solution Approach 1:
The flow control devices are integrated directly into the tubular strings at the junction assembly, allowing each wellbore section to independently control its own fluid flow. This self-service capability enables selective access control without requiring complex external control systems, simplifying operation while maintaining adaptability.
3Reliability
If tubular strings are deflected into wellbore sections, then connectivity is achieved, but installation stresses increase
Solution Approach 1:
The connector is designed with pre-configured geometric features and orientation mechanisms that guide the tubular strings into their final positions during installation. This preliminary action reduces the need for forceful deflection and minimizes installation stresses on the tubular strings while ensuring reliable connectivity between wellbore sections.
Data Source
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AI summary
A method of installing a wellbore junction assembly in a well can include connecting at least two tubular strings to one opposite end of a tubular string connector with similarly dimensioned oriented connections, whereby the tubular strings are interchangeably connectable to the connector by the oriented connections. A wellbore junction assembly can include at least two tubular strings and a tubular string connector having opposite ends. Each of the tubular strings may be secured to one opposite end of the connector by oriented connections, whereby each of the tubular strings has a fixed rotational orientation relative to the connector. A well system can include a tubular string connector, each of first and second tubular strings being secured to the connector, and a support which reduces bending of the second tubular string which results from deflection of the second tubular string from one wellbore section into another wellbore section.