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Effects of Gender and Age on Voice Onset Time in Rural Jordanian Arabic. [PDF]

J Psycholinguist Res
Al-Deaibes M, Mashaqba B, Huneety A, Guba MNA.   +3 more
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A Precise Method to Improve the Mechanical Properties of the Mud Pulse Telemetry in Order to Manufacture a Positive Mud Pulse Telemetry System

Arabian Journal for Science and Engineering, 2021
Well logging plays a significant role in the identification and discovery of mines. Well logging, with the help of a set of tools, gives the required information about the drilled parts, which leads to the understanding of the constructive elements in depth and the physical information of the formation .
H Afarideh, Masoumeh Mohamadian
exaly   +3 more sources

Channel modelling and characterization for mud pulse telemetry

AEU - International Journal of Electronics and Communications, 2023
Yanfeng Geng
exaly   +3 more sources

Wideband Modeling of the Mud-Pulse Communications Channel

IEEE Communications Letters, 2021
This letter presents a transfer function model for the mud pulse wireless pressure wave communications technique used for telemetry in oil and gas drilling. Using distributed transmission line theory and the fluid analogs for transmission line components, this model utilizes wireless circuit design analysis to predict the attenuation and reflections ...
Santosh Nath, Geoffrey G. Messier, Leonid Belostotski, Roman J. Shor   +3 more
openaire   +2 more sources

Noise cancellation for continuous wave mud pulse telemetry based on empirical mode decomposition and particle swarm optimization

Journal of Petroleum Science and Engineering, 2021
Mud pulse telemetry (MPT) is the most widely implemented communication method in measurement while drilling (MWD) systems. However, the signal-to-noise ratio of received signals on surface in MPT systems is relatively low because of the various ...
Fengzhong Qu, Guozheng Jin, Yan Wei
exaly   +2 more sources

Study on model-based pump noise suppression method of mud pulse signal

Journal of Petroleum Science and Engineering, 2021
Mud pulse telemetry system plays a critical role in modern oil drilling engineering. However, the valid signal is complicated to be obtained because of the main disturbing of pump noises, especially in ultra-deep drilling operations.
Guo Chen, Zhidan Yan, Tingzheng Gao
exaly   +2 more sources

Electromagnetic analysis of mud pulse generator based on magnetorheological fluid

Petroleum Science and Technology
Mud pulse generators are important measurement tools in drilling technology, and they are used widely when drilling for oil and gas. Meanwhile, magnetorheological fluids are characterized by fast response, high precision, and strong reversibility ...
Haipeng Wang, Liping Tang, Chenxi Liu, Xiang Zhong, Li Tang   +4 more
openaire   +2 more sources

Research on Manchester Coded Mud Pulse Signal Extraction

Applied Mechanics and Materials, 2014
The mud pulse signal extracting in MWD(Measurement while drilling) was a core technology in the oil drilling developing process. In terms of the extraction and recognition problems of weak mud pulse signal in MWD, this paper analyzed the transmission format of Manchester coded down-hole datum and transmission characteristics of mud pulse signal and ...
Bing Tu
exaly   +2 more sources

Differential signal extraction for continuous wave mud pulse telemetry

Journal of Petroleum Science and Engineering, 2017
Abstract Continuous wave mud pulse telemetry system with a transmission rate of more than 12 bps, is an irreplaceable high-speed data transmission technology for Measurement While Drilling (MWD) and Logging While Drilling (LWD) instruments used in modern oil drilling services.
Jing Shao, Zhidan Yan, Suli Han
exaly   +2 more sources

Mud pulse signal demodulation based on support vector machines and particle swarm optimization

Journal of Petroleum Science and Engineering, 2020
Mud pulse telemetry is the most commonly used communication technology in measurement-while-drilling or logging-while-drilling systems. During the drilling process, the flowing drilling mud is the communication channel that carries the mud pulse signal ...
Fengzhong Qu, Yan Wei
exaly   +2 more sources