Composite Cable Rope Socket for Uniform Armor Wire Loading
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Solution Overview
Problem
Existing wireline connections for connecting wireline logging tools to surface equipment are time-consuming and prone to mechanical and electrical failures due to non-uniform loading of armored cable layers.
Innovation Solution
A composite cable rope socket apparatus with spacers and a thermoset material that evenly distributes the tensile load across armor wires, ensuring uniform loading and secure mechanical and electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rope socket assemblies are used to connect wireline logging tools to surface equipment, then mechanical and electrical connections can be established, but the connections are prone to failure due to non-uniform loading of armored cable layers and the process is time-consuming
Solution Approach 1:
The armored cable is segmented into individual armor wires that are separated and rewrapped around a mandrel within the socket assembly. This segmentation allows each wire to be individually positioned and uniformly loaded, preventing the non-uniform loading that causes connection failures while enabling efficient automated assembly
Solution Approach 2:
A mandrel is introduced as an intermediary component during the assembly process. The mandrel serves as a temporary support structure around which armor wires are rewrapped, ensuring uniform distribution of loads and proper positioning of conductors. The mandrel is later removed, having fulfilled its mediating role in achieving reliable connections
2Ease of manufacture
If armored cable layers are not uniformly loaded in traditional connections, then assembly may be simpler, but mechanical and electrical connections become prone to failure
Solution Approach 1:
The invention changes the structural parameters of the cable assembly by separating and rewrapping armor wires around a mandrel. This parameter change transforms the loading distribution from non-uniform to uniform, ensuring that tensile loads are evenly distributed across all armor wires and conductors, thereby preventing connection failures while maintaining assembly efficiency
3Reliability
If a robust connection system is implemented to prevent failures, then connection reliability improves, but device complexity increases
Solution Approach 1:
The invention merges multiple functions into a single integrated socket assembly that simultaneously provides mechanical support, electrical connection, and uniform load distribution. By combining these functions into one unified structure rather than separate components, the system achieves high reliability without proportionally increasing overall device complexity
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
The solution provides a robust and efficient connection that reduces failure risks, simplifies manufacturing, and evenly distributes tensile loads, enhancing the durability and reliability of the connection.
Implementation Method 1
Each armor wire may comprise a reinforcement element including a bundle of reinforcement fibers comprising at least one fiber and a plastic matrix impregnating the bundle of fibers
Implementation Method 2
a plastic matrix impregnating the bundle of fibers
Data Source
Figure 1~4
Figure 5~6
Figure 7
AI summary
Apparatus and methods for coupling a rope socket with an armored cable. The armored cable includes a conductor core having one or more cables for transmitting electrical and/or optical signals and at least one layer of armor wires wound around the conductor core. The rope socket includes a housing having an uphole end through which the armored cable extends into the housing and a downhole end through which the conductor core extends from the housing to a component of downhole equipment suspended in a wellbore by the armored cable. The armor wires are arranged inside of the housing so that they are spaced apart at least locally from the conductor core. A plastic material disposed within the housing fills interstices each defined by one or more surfaces of one or more of the conductor core, one or more of the armor wires, and the housing.