2023年7月22日 · Yan et al. proposed an adaptive mud pulse noise cancellation system based on an improved variable step size LMS algorithm to overcome the interference of pump noise with harmonic frequencies close to the signal. The proposed LMS algorithm is compared with four LMS algorithms: LMS algorithm, NLMS algorithm, Witch algorithm, and correlation.

2018年6月2日 · Recently, new advanced mud pulse telemetry system which generate digitally controlled pulse signals and automatic self-adjusted surface system to achieve high degree of freedom using the novel mud pulsar mechanism are designed.

2008年3月4日 · This paper describes a system for downhole-to-surface Mud Pulse Telemetry that uses baseband or carrier modulated pressure signals generated by a novel mud pulser design and a surface data acquisition unit with advanced signal processing capabilities.

The PulseStar™ intelligent high-speed telemetry service is an automated mud pulse telemetry system that streams high-resolution, real-time drilling and subsurface data at extended depths to ensure efficient and consistent well delivery.

2023年6月1日 · Mud pulse telemetry (MPT) is a low-cost borehole wireless communication scheme in the oil drilling industry. Drilling mud is used as the medium to deliver logging information via mud pressure pulses. However, the data transmission rate is severely limited by poor channel conditions.

2024年1月1日 · Mud pulse telemetry (MPT) is the most commercially mature wireless data transmission method. The time-domain parameter analysis of the down-hole mud pulse pressure signal is useful to study the optimization measures of the down-hole signal.

Built around the toughest, most advanced, most LCM-tolerant mud pulse transmitter in the industry. Stores up to 32 MB of MWD/LWD and diagnostic data for retrieval during trips or for post-run processing. Additional sensors including gamma, vibration monitoring and resistivity can be quickly enabled or incorporated into our “LWD-ready” system.

Bench Tree’s standard MWD system delivers enhanced performance, stability and features to horizontal and directional drilling wells worldwide. It combines the legendary reliability and accuracy of Bench Tree’s standard directional module with pulsers, gamma probes and battery packs that are configurable and customizable to meet your ...

Measurement-while-drilling (MWD) systems, using mud pulse telemetry, are now available to the industry. The most popular sensor package is for directional drilling measurements. Accuracy of such measurements has been proved under field conditions and has resulted in considerable savings in rig time.

2015年3月17日 · Mud pulse telemetry (MPT) has been the dominant measurement-while-drilling (MWD) data transmission technology for more than three decades. Continuous development has enabled the oil and gas industry to drill deep and complex well paths and deliver valuable real-time measurements.