Results 141 to 150 of about 3,718 (163)

Development on Fast Carrier Synchronizer for Continuous Wave Mud Pulse Telemetry

2023 5th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP), 2023
A fast carrier synchronizer with adaptive loop bandwidth is proposed for continuous-wave mud pulse telemetry systems, designed to achieve rapid carrier phase recovery and minimal steady-state phase jitter.
Mengzhi Jia, Yanfeng Geng, Qingfeng Zeng
openaire   +2 more sources

Widely linear RLS equalizer with variable forgetting factor and UD factorization for mud pulse telemetry

AEU - International Journal of Electronics and Communications
Yanfeng Geng, Fengyan Wang, Yaobin Yue   +2 more
exaly   +3 more sources

Differential signal extraction for continuous wave mud pulse telemetry

Journal of Petroleum Science and Engineering, 2016
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, Hui Li, Tingzheng Gao, Hu Xiufeng, Chunming Wei   +6 more
openalex   +2 more sources

WaveU -Net: Multi-scale wavelet framework for robust recovery of continuous pressure signals in mud pulse telemetry

Digital Signal Processing
Qingfeng Zeng, Yanfeng Geng, S. B. Jiang, Weiliang Wang   +3 more
semanticscholar   +3 more sources

AI-Aided Real Time Data Decoder for Mud Pulse Telemetry - A Case Study

SPE Conference at Oman Petroleum & Energy Show
Abstract Mud pulse telemetry is a critical technology in the domain of oil and gas drilling operations, facilitating the real-time transmission of data acquired by downhole sensors to the surface. This study presents a case study focusing on an AI-aided surface detection system specifically developed for mud pulse telemetry, with the ...
Prasad Anjangi, Rex Dael Navarro, Rashobh Rajan Sobhana, Felipe Costa Oliveira Chagas, Bipin Pillai   +4 more
openaire   +2 more sources

A New Mud Pulse Telemetry System for Enhanced MWD/LWD Applications

IADC/SPE Drilling Conference, 2008
Abstract Mud Pulse Telemetry systems in drilling operations have enabled the industry to gather valuable directional and formation data while drilling the well, and to optimize the drilling process. This makes drilling operations more cost efficient and allows the drilling of complex wells.
C. Klotz, P. Bond, Ira Wasserman, S. Priegnitz   +3 more
openalex   +2 more sources

A transient flow analysis method for high-rate mud pulse telemetry in rotary steerable system

Geoenergy Science and Engineering, 2023
Hu Han, Liang Xue, Lewang Sun, Wenkan Sheng, Honghai Fan, Zhiming Wang   +5 more
openaire   +2 more sources

Differential signal extraction for continuous wave mud pulse telemetry

Journal of Petroleum Science and Engineering, 2017
Jing Shao, Zhidan Yan, Suli Han
exaly   +2 more sources

Distributed estimation cascade second-order tri-stable stochastic resonance method for random noise suppression in continuous-wave mud pulse telemetry

Geoenergy Science and Engineering
Zhidan Yan, Tingting Song, Hehui Sun, Shuchao Lu, Ruirui Sun   +4 more
openalex   +2 more sources

Structure Noise Robust Joint Channel Estimation and Symbol Equalization via Dual-Path Diffusion Models in Mud Pulse Telemetry

2025 8th International Conference on Information Communication and Signal Processing (ICICSP)
Mud Pulse Telemetry (MPT) has emerged as a critical downhole communication technology in the oil industry. However, characteristic pump-induced noise severely degrades received signal quality, causing prohibitively high bit error rates (BERs) that ...
Yanbing Fu, Chengjie Yu, Jiaxun Lu, Yifan Wang, Ruijie Shen, Yuhan Zhang, Jiang Zhu, Xingbin Tu, Yan Wei, Fengzhong Qu, Zhujun Zhang   +10 more
semanticscholar   +1 more source