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High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

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Horizontal Directional Drilling-Length Detection Technology While Drilling Based on Bi-Electro-Magnetic Sensing.

Yudan Wang¹, Guojun Wen², Han Chen³

¹School of Mechanical and Electronic Information, China University of Geosciences, Wuhan 430074, China. wangyodan@163.com.

Sensors (Basel, Switzerland)

|April 28, 2017

Summary

Accurate real-time detection of horizontal directional drilling (HDD) length is now possible. A new electromagnetic system uses sensors and software to automatically track drilling progress, improving data management.

Keywords:

LabVIEW bi-electromagnetic sensing horizontal directional drilling magnetic-field strength changes real-time drilling-length detection

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Area of Science:

Geotechnical Engineering
Drilling Technology
Sensor Systems

Background:

Drilling length is critical for horizontal directional drilling (HDD) but lacks automated, accurate measurement.
Existing methods for tracking drilling progress are often manual or imprecise.

Purpose of the Study:

To develop a real-time system for accurate detection and management of HDD drilling length.
To address the limitations of current methods for measuring drilling parameters.

Main Methods:

An electromagnetic detection technique utilizing a microprocessor and two magnetoresistive sensors.
Detecting changes in magnetic field strength as drill components pass a current coil.
Employing LabVIEW software for data processing, display, and storage.

Main Results:

A functional hardware and software subsystem for real-time drilling length detection was developed.
The system accurately identifies drill-stem joint passage and movement direction.
Feasibility of the integrated drilling-length detection system was confirmed through testing.

Conclusions:

The proposed electromagnetic detection system offers a feasible solution for real-time HDD length monitoring.
This technology enhances data accuracy and automation in HDD operations.
Improved drilling length statistics can optimize exploration and recovery processes.