Mainbore Cleanout Tool Venturi Suction for Wellbore Debris
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Solution Overview
Problem
Debris accumulation at the intersection of parent and branch wellbores in subterranean formations hinders proper sealing and completion of wells, especially in high-pressure environments, and existing systems require multiple trips to remove debris, increasing costs.
Innovation Solution
A system and method that combines debris removal with the landing of a junction assembly, utilizing a completion deflector and a mainbore cleanout tool with a Venturi effect to create suction and collect debris, minimizing the number of trips required for well completion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple trips are made to remove debris and install completion equipment, then debris removal is achieved, but completion and production costs increase
Solution Approach 1:
The patent combines debris removal operations with completion equipment installation into a single integrated process. The completion string includes both the debris removal tool and the completion equipment, allowing both functions to be performed during one trip into the wellbore, thereby reducing completion time and costs while maintaining effective debris removal
Solution Approach 2:
The completion string is designed to perform multiple functions simultaneously: it serves as both the debris removal mechanism and the completion equipment installation tool. This multi-functional design eliminates the need for separate operations, reducing the number of trips required and improving overall operational efficiency
2Reliability
If multiple trips are made to remove debris, then debris is removed, but the number of trips increases
Solution Approach 1:
The patent merges debris removal and completion equipment installation into a single operational sequence. The completion string integrates both functions, allowing the operator to remove debris and install completion equipment in one continuous operation, thereby improving productivity by eliminating redundant trips
Solution Approach 2:
The debris removal tool is pre-integrated into the completion string before the operation begins. This preliminary configuration ensures that debris removal is performed as part of the standard completion sequence rather than requiring separate preparatory trips, thus enhancing overall productivity
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
Effectively removes debris from the wellbore intersection, ensuring proper sealing and reducing operational costs by integrating debris clearing with the junction landing process, thereby enhancing the efficiency and cost-effectiveness of well completion.
Implementation Method 1
a port in the junction in fluid communication with the passage such that the flowing fluid in the passage creates a suction at the port to draw debris
Data Source
AI summary
An assembly configured to be disposed within a well at an intersection of a parent bore of the well and a lateral bore of the well is provided. The assembly includes a junction having a mainbore leg and a lateral leg, as well as a passage in the mainbore leg configured to receive a flowing fluid. A port in the mainbore leg is in fluid communication with the passage such that the flowing fluid in the passage creates a suction at the port to draw debris in the well through the port and into the passage.