Combined Multi-Coupler for Top Drive Tool Changes
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Solution Overview
Problem
The process of changing tools on a top drive during drilling and well construction operations is time-consuming and hazardous, requiring personnel to work at heights, which poses safety risks and inefficiencies.
Innovation Solution
A combined multi-coupler system for top drives that includes a modular design with a latch head, torque shaft, and unit handler, allowing for safer and faster tool attachment and detachment, enabling efficient construction and operation of wellbores.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional tool changing methods are used on top drive, then personnel can attach and detach tools, but the process is time-consuming and hazardous requiring personnel to work at heights
Solution Approach 1:
The automated coupling system performs tool attachment and detachment operations without human intervention. The system uses automated coupling mechanisms that engage and disengage drill string sections automatically, eliminating the need for personnel to manually connect tools at heights, thus resolving both the safety hazard and time consumption issues
2Ease of operation
If traditional tool changing methods are used on top drive, then tools can be attached and detached, but personnel must work at heights which poses safety risks
Solution Approach 1:
The automated coupling system performs tool attachment and detachment operations without human intervention. The system uses automated coupling mechanisms that engage and disengage drill string sections automatically, eliminating the need for personnel to manually connect tools at heights, thus resolving both the safety hazard and time consumption issues
Solution Approach 2:
The invention replaces manual mechanical operations with an automated mechanical system. The automated coupling mechanism uses controlled mechanical forces to attach and detach tools, substituting human physical labor with a programmable mechanical system that operates safely from the ground level
3Productivity
If automated coupling system is implemented, then safety is enhanced and operational efficiency is improved, but device complexity increases
Solution Approach 1:
The automated coupling system is designed to perform multiple functions including drilling, casing, and cementing operations through a single integrated platform. This multi-functionality justifies the increased device complexity by consolidating what would otherwise require multiple separate systems, thereby improving overall operational efficiency and productivity
Data Source
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AI summary
The present disclosure generally relates to a combined multi-coupler (4y) for a top drive. In one embodiment, a combined multi-coupler including a first tubular member having a first axial load profile, a first torque profile, and a first junction member, and a second tubular member having a second axial load profile, a second torque profile, and a second junction member. The engagement of the first tubular member to the second tubular member forms connections between the first and second axial load profiles, the first and second torque profiles, and the first and second junction members.