Results 1 to 10 of about 1,698 (252)

Design of a New Acoustic Logging While Drilling Tool [PDF]

Sensors, 2021
To obtain qualified logging while drilling (LWD) data, a new acoustic LWD tool was designed. Its overall design is introduced here, including the physical construction, electronic structure, and operation flowchart.
Kai Zhang, Baohai Tan, Su Yuanda
exaly   +7 more sources

Design of a Multi-Node Data Acquisition System for Logging-While-Drilling Acoustic Logging Instruments Based on FPGA [PDF]

Sensors
The logging-while-drilling (LWD) acoustic logging instrument is pivotal in unconventional oil and gas exploration, and in providing real-time assessments of subsurface formations. The acquisition system, a core component of the LWD acoustic logging suite,
Junqiang Lu, Shijie Wei
exaly   +4 more sources

Application of Logging While Drilling Tool in Formation Boundary Detection and Geo-steering [PDF]

Sensors, 2019
Logging while drilling (LWD) plays a crucial role in geo-steering, which can determine the formation boundary and resistivity in real time. In this study, an efficient inversion, which can accurately invert formation information in real time on the basis
Fanmin Kong, Gaoyang Zhu, Muzhi Gao
exaly   +4 more sources

A lossless compression method for logging data while drilling

Systems Science and Control Engineering, 2021
Mud pulse transmission technology is widely used in logging while drilling (LWD), while its low data transmission efficiency has restricted the development of LWD technology for a long time. In order to improve the equivalent data transmission efficiency
Aiping Wu, Zhengbing Zhang, Mingzhang Luo   +2 more
exaly   +2 more sources

Technical difficulties of logging while drilling in carbonate reservoirs and the countermeasures: A case study from the Sichuan Basin

Natural Gas Industry B, 2015
In the Sichuan Basin, carbonate reservoirs are characterized by deep burial depth and strong heterogeneity, so it is difficult to conduct structure steering, pore space reservoir tracking and trajectory control in the process of geosteering logging while
Shudong Zhang
exaly   +3 more sources

Sensing While Drilling and Intelligent Monitoring Technology: Research Progress and Application Prospects [PDF]

Sensors
Obtaining accurate information on stratigraphic conditions and drilling status is necessary to ensure the safety of the drilling process and to guarantee the production of oil and gas.
Xiaoyu Li, Zongwei Yao, Tao Zhang, Zhiyong Chang   +3 more
doaj   +2 more sources

Real-Time Intelligent Recognition and Precise Drilling in Strongly Heterogeneous Formations Based on Multi-Parameter Logging While Drilling and Drilling Engineering

Applied Sciences (Switzerland)
Facing engineering challenges of real-time and high-precision recognition of strongly heterogeneous formations during directional drilling, it is crucial to address the issues of sparse lithology geological labels and multi-source lithology ...
Fei Tian, Wenhao Zheng, Zhao Aosai
exaly   +3 more sources

Theoretical and Numerical Study of Seismoelectric Logs for Logging While Drilling (LWD) [PDF]

ITM Web of Conferences, 2017
When the acoustic field propagates in the porous medium, the electromagnetic wave can be induced by the seismoelectric effects which can be used in the logging. This paper studies the seismoelectric wave field and deduces the formulations of the acoustic
Sun Xiang-Yang, Zhao Yong-Peng
doaj   +2 more sources

A New Logging-While-Drilling Method for Resistivity Measurement in Oil-Based Mud [PDF]

Sensors, 2020
Baoliang Wang, Yongkang Wu, Yandan Jiang   +2 more
exaly   +2 more sources

Acoustic Emission and Echo Signal Compensation Techniques Applied to an Ultrasonic Logging-While-Drilling Caliper [PDF]

Sensors, 2017
Yongchao Yao, , Junqiang Lu
exaly   +2 more sources