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Sensors 2017, 17(10), 2384; doi:10.3390/s17102384

Downhole Applications of Magnetic Sensors

Drilling Technology Team, Exploration and Petroleum Engineering Center—Advanced Research Center (EXPEC-ARC), Dhahran 31311, Saudi Arabia
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Received: 12 August 2017 / Revised: 8 October 2017 / Accepted: 12 October 2017 / Published: 19 October 2017
(This article belongs to the Special Issue Magnetic Sensors and Their Applications)
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Abstract

In this paper we present a review of the application of two types of magnetic sensors—fluxgate magnetometers and nuclear magnetic resonance (NMR) sensors—in the oil/gas industry. These magnetic sensors play a critical role in drilling wells safely, accurately and efficiently into a target reservoir zone by providing directional data of the well and acquiring information about the surrounding geological formations. Research into magnetic sensors for oil/gas drilling has not been explored by researchers to the same extent as other applications, such as biomedical, magnetic storage and automotive/aerospace applications. Therefore, this paper aims to serve as an opportunity for researchers to truly understand how magnetic sensors can be used in a downhole environment and to provide fertile ground for research and development in this area. A look ahead, discussing other magnetic sensor technologies that can potentially be used in the oil/gas industry is presented, and what is still needed in order deploy them in the field is also addressed. View Full-Text
Keywords: fluxgate magnetometer; nuclear magnetic resonance; magnetic sensors; drilling technology; oil and gas; petroleum; downhole; harsh environment; high pressure high temperature (HPHT) fluxgate magnetometer; nuclear magnetic resonance; magnetic sensors; drilling technology; oil and gas; petroleum; downhole; harsh environment; high pressure high temperature (HPHT)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gooneratne, C.P.; Li, B.; Moellendick, T.E. Downhole Applications of Magnetic Sensors. Sensors 2017, 17, 2384.

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