Two-Way Communication Module for Slickline and Braided Line Cables
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Solution Overview
Problem
Slickline and braided line services in oil and gas wells lack communication capabilities, limiting the variety of tools and services that can be performed, increasing rig time, and costing more than electric line services.
Innovation Solution
A system enabling two-way communication between downhole tools and surface equipment through a slickline or braided line, using a Downhole Communication Module and a Surface Communication Module, with components like Pulse-Detector Units, Pulse Generator Units, Telemetry Units, and Power Units to transmit and receive data through the cable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If slickline or braided line is used instead of electric line, then cost and equipment footprint are reduced, but communication capabilities and service variety are lost
Solution Approach 1:
The patent introduces a communication module as an intermediary device attached to the slickline or braided line cable. This module enables two-way data transmission between downhole tools and surface equipment by converting mechanical cable movements into electrical signals and vice versa, thus providing communication capabilities without requiring a full electric line system.
Solution Approach 2:
The patent replaces traditional electrical communication signals with mechanical pulse signals transmitted through the cable. By using mechanical vibrations and movements of the slickline or braided line to encode and transmit data, the system achieves communication functionality while maintaining the mechanical nature of the original cable system.
2Adaptability or versatility
If electric line services are used, then communication capabilities and service variety are improved, but cost and equipment footprint increase
Solution Approach 1:
The communication module is designed to be universally compatible with both slickline and braided line systems, enabling a single device to provide communication capabilities across different cable types. This multi-functionality allows existing mechanical cable systems to gain electronic communication features without requiring complete system replacement.
Solution Approach 2:
The communication module acts as a mediator between the mechanical cable system and electronic communication requirements, translating between mechanical pulses and electrical signals to enable data transmission while maintaining compatibility with the original mechanical system architecture.
3Device complexity
If traditional slickline actuation methods are used, then equipment simplicity is maintained, but data feedback and complex instruction capability are limited
Solution Approach 1:
The communication module implements two-way feedback by enabling data transmission from downhole tools to surface equipment. This allows real-time monitoring of downhole conditions, tool status, and operational parameters, providing continuous feedback that was previously unavailable in traditional slickline systems.
Solution Approach 2:
The system replaces simple mechanical actuation with encoded mechanical pulses that can carry complex information. By varying the frequency, duration, and pattern of mechanical cable movements, the system can transmit complex instructions and receive detailed data feedback while maintaining the mechanical actuation approach.
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
Facilitates real-time data collection and broader service capabilities, such as precise depth measurements and tool actuation, reducing costs and rig time compared to traditional electric line services.
Implementation Method 1
a pulse detector unit, which detects the pulses by contacting the cable
Implementation Method 2
a pulse generator unit, which creates pulses in the cable
Data Source
AI summary
Disclosed are methods and systems comprised of devices for enabling two-way communication between downhole tools and surface equipment through standard slickline and braided line cable and using such data to perform a variety of actions. The disclosed methods include surface and downhole communication modules, both of which contain a means to generate pulses, a means to detect pulses traveling through the cable, and onboard electronics; a surface control system acts as the principal input/output device and interface to a user, as data is displayed on such systems and its input device allows for this operator to send instructions to a plurality of downhole tools. Sensors, detectors, power sources, and actuators are all controlled by onboard electronics; and one or more processors operably connected to these devices. A processor is typically configured to receive data from the modules, record the data, and transmit data to allow for an operator to perform actions based on the data.