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Energies
Volume 13
Issue 19
10.3390/en13194989
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Article

Drilling Localization and Error Analysis of Radial Horizontal Jet Drilling Based on Magnetic Gradient Tensor

by
Zhongxiang Liu
,
Minghui Wei
*,
Peng Zhang
,
Yutao Zhang
,
Tingtao Lu
,
Rui Xiong
and
Changchun Qin
School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, China
*
Author to whom correspondence should be addressed.
Energies 2020, 13(19), 4989; https://doi.org/10.3390/en13194989
Submission received: 8 August 2020 / Revised: 8 September 2020 / Accepted: 22 September 2020 / Published: 23 September 2020
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Abstract

To obtain the real-time drilling trajectory of radial horizontal jet drilling (RHJD), a magnetized nozzle localization method based on magnetic gradient tensor (MGT) is proposed. The MGT system consisting of five tri-axial magnetometers, a tri-axial accelerometer, and a tri-axial gyroscope are installed in the casing. The magnetized nozzle is made of a strong magnetic permanent magnet whose position can be obtained by measuring the MGT generated by itself at the measurement point. The simulation and experiment of the localization method are carried out, which show that the method has high accuracy. When the detection distance is 40 m, the error is only 0.07 m, which meets the requirements of engineering practice. The accuracy of the magnetometer, the baseline distance and the magnetization strength of the nozzle are the main factors affecting the localization error. This localization method can meet the requirements of positioning accuracy in practical engineering, which greatly avoids the drilling failure of RHJD and has a wide application prospect.
Keywords: radial horizontal jet drilling; localization; magnetic gradient tensor radial horizontal jet drilling; localization; magnetic gradient tensor
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MDPI and ACS Style

Liu, Z.; Wei, M.; Zhang, P.; Zhang, Y.; Lu, T.; Xiong, R.; Qin, C. Drilling Localization and Error Analysis of Radial Horizontal Jet Drilling Based on Magnetic Gradient Tensor. Energies 2020, 13, 4989. https://doi.org/10.3390/en13194989

AMA Style

Liu Z, Wei M, Zhang P, Zhang Y, Lu T, Xiong R, Qin C. Drilling Localization and Error Analysis of Radial Horizontal Jet Drilling Based on Magnetic Gradient Tensor. Energies. 2020; 13(19):4989. https://doi.org/10.3390/en13194989

Chicago/Turabian Style

Liu, Zhongxiang, Minghui Wei, Peng Zhang, Yutao Zhang, Tingtao Lu, Rui Xiong, and Changchun Qin. 2020. "Drilling Localization and Error Analysis of Radial Horizontal Jet Drilling Based on Magnetic Gradient Tensor" Energies 13, no. 19: 4989. https://doi.org/10.3390/en13194989

APA Style

Liu, Z., Wei, M., Zhang, P., Zhang, Y., Lu, T., Xiong, R., & Qin, C. (2020). Drilling Localization and Error Analysis of Radial Horizontal Jet Drilling Based on Magnetic Gradient Tensor. Energies, 13(19), 4989. https://doi.org/10.3390/en13194989

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