Results 11 to 20 of about 1,642,785 (302)

Multi-frequency mud siren simulation and experiment for increasing data transmission rate in mud pulse telemetry

open access: yesDiscover Applied Sciences
Several methods exist for data transmission during deep drilling albeit with inherent drawbacks. Amongst these, the most common method for data transmission in deep boreholes remains “Mud Pulse Telemetry” which sends information through the drilling mud ...
A. J. Bamisebi, M. Reich
doaj   +5 more sources

A review of mud pulse telemetry signal impairments modeling and suppression methods [PDF]

open access: yesJournal of Petroleum Exploration and Production Technology, 2018
Exploration and drilling operations are the most costly and risky activities that require logging while drilling effective tool operation and high speed real-time data transmission.
Saleh M. Mwachaka   +2 more
doaj   +6 more sources

Research on Mud Pulse MWD Device for Mines [PDF]

open access: yesE3S Web of Conferences, 2021
As the core accoutrement of directional drilling construction, the measurement while drilling (MWD) device can be divided into three types due to the different data transmission methods: wired, mud pulse and electromagnetic wave.
Jun Gao
doaj   +4 more sources

A Review of Communication Technologies in Mud Pulse Telemetry Systems

open access: yesElectronics (Switzerland), 2023
Mastering real-time and accurate downhole information is crucial for ensuring drilling safety, improving drilling efficiency, and maximizing economic benefits. In recent years, logging while drilling (LWD) technologies, represented by mud pulse telemetry
Zhengguang Xu
exaly   +4 more sources

Analysis on the change characteristics of waveform during the transmission of continuous wave mud pulse signal

open access: yesAlexandria Engineering Journal, 2023
Continuous wave mud pulse transmission is the most widely used information transmission technology in measurement while drilling (MWD). The increase in transmission distance will cause the signal attenuation and deformation during transmission, the ...
Jun Qu, Qilong Xue, Jintao Lu
doaj   +3 more sources

Employment of mud-pulse generator for improvement of efficiency of a wellbore producing in complex mining and geological conditions

open access: yesPetroleum Research, 2023
In this study, the employment of mud-pulse generators to improve the efficiency of wellbores under complex mining and geological conditions is examined. A systemic analysis is made of the primary theoretical basis of the study.
Bibinur Akhymbayeva
doaj   +3 more sources

Noise Cancellation Method for Mud Pulse Telemetry Based on Discrete Fourier Transform

open access: yesJournal of Marine Science and Engineering
Mud pulse telemetry (MPT) systems are widely recognized for their effectiveness and are most commonly used to transmit downhole data to the surface in real time. These data facilitate the drilling process and make it more cost-efficient.
Jingchen Zhang   +6 more
doaj   +3 more sources

A Fractional Fourier Transform-Based Channel Estimation and Equalization Algorithm for Mud Pulse Telemetry

open access: yesJournal of Marine Science and Engineering
Mud pulse telemetry (MPT) systems are a promising approach to transmitting downhole data to the ground. During transmission, the amplitudes of pressure waves decay exponentially with distance, and the channel is often frequency-selective due to ...
Jingchen Zhang   +5 more
doaj   +3 more sources

Directional drilling technology with mud pulse wireless MWD in underground coal mine

open access: yesMeikuang Anquan, 2021
The directional drilling technology with mud pulse wireless MWD in coal mine was presented. We introduce the principle of the technology and analyze three key technologies: the wireless MWD with mud pulse, the compound directional drilling and the ...
LI Quanxin, CHU Zhiwei, XU Chao, FANG Jun
doaj   +2 more sources

Adaptive noise compensation and equalization in mud pulse telemetry

open access: yes67th EAGE Conference & Exhibition, 2005
Mud pulse telemetry is one of the most common methods for transmission of downhole information in measurement-while-drilling processes. However the presence of various noise contributors can dramatically reduce the speed quality and reliability of signal
BERNASCONI, GIANCARLO   +3 more
core   +3 more sources

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