Application of Seismic Sensors in Measurement While Drilling [PDF]
SensorsRock geotechnical properties can be reflected in drill signals while drill rod penetrates through rocks. The rate of penetration, rotary speed, torque, load, sound, vibration, etc., are different for various rock types, since they are influenced by rock ...
Manoj Khanal +5 more
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Comparison of machine learning models for rock UCS prediction using measurement while drilling data [PDF]
Scientific ReportsAccurately determining the uniaxial compressive strength (UCS) of rocks is crucial for various rock engineering applications. However, traditional methods of obtaining UCS are often time-consuming, labor-intensive, and unsuitable for fractured rock ...
Yachen Xie, Xianrui Li, Zhao Min
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Physics-Based Observers for Measurement-While-Drilling System in Down-the-Hole Drills
Mathematics, 2022 Measurement While Drilling (MWD) is a technology for assessing rock mass conditions by collecting and analyzing data of mechanical drilling variables while the system operates.
Gabriel Bout +4 more
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Vibration Noise Modeling for Measurement While Drilling System Based on FOGs [PDF]
Sensors, 2017 Aiming to improve survey accuracy of Measurement While Drilling (MWD) based on Fiber Optic Gyroscopes (FOGs) in the long period, the external aiding sources are fused into the inertial navigation by the Kalman filter (KF) method.
Chunxi Zhang +4 more
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Numerical simulation of Bluetooth signal short-hop for the measurement while drilling near-bit [PDF]
Scientific ReportsNear-bit information has become increasingly critical in Measurement While Drilling (MWD) operations. Efficient data transmission between the downhole near-bit unit and the surface control platform is a key factor in MWD technology.
Zhiwei Chu +6 more
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Petroleum Exploration and Development, 2020 Based on the measurement mechanism of mobility in pressure measurement while drilling, through analyzing a large number of mobility data, it is found that under the condition of water-based mud drilling, the product of mobility from pressure measurement ...
Xinlei SHI +4 more
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Research on the Cooperative Detection of Stochastic Resonance and Chaos for Weak SNR Signals in Measurement While Drilling. [PDF]
Sensors (Basel), 2021 Yang Y, Li F, Zhang N, Huo A.
europepmc +2 more sources
A Long-Term Performance Enhancement Method for FOG-Based Measurement While Drilling. [PDF]
Sensors (Basel), 2016 Zhang C, Lin T.
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Mine-used electromagnetic MWD system and its application
Meikuang Anquan, 2021 Aiming at the problems of high manufacturing cost and easy damage of communication cable joint in the central cable type drill pipe, which is the cable transmission device for directional drilling in underground coal mine, an electromagnetic measurement ...
GU Lidong, WANG Kaibin, ZHAO Jiajia
doaj +1 more source
Full waveform vibration and shock measurement tool for measurement-while-drilling
AIP Advances, 2022 The bottom hole assembly during the drilling process is prone to fatigue and damage under the influence of alternating stress, particularly the drill bit and bottom part of the bottom hole assembly.
Sixuan Song +5 more
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