Results 1 to 10 of about 373 (102)
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 +8 more
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Design of a Multi-Node Data Acquisition System for Logging-While-Drilling Acoustic Logging Instruments Based on FPGA [PDF]
SensorsThe 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,
Zhenyu Qin +4 more
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Influence of the Transducer-Mounting Method on the Radiation Performance of Acoustic Sources Used in Monopole Acoustic Logging While Drilling [PDF]
SensorsTransducers used in acoustic logging while drilling (ALWD) must be mounted on a drill collar, and their radiation performance is dependent on the employed mounting method.
Jiale Wang +4 more
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Sensing While Drilling and Intelligent Monitoring Technology: Research Progress and Application Prospects [PDF]
SensorsObtaining 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 +3 more
doaj +2 more sources
A theoretical analysis of the logging-while-drilling dipole acoustic reflection measurement
Frontiers in Earth SciencePost-drilling wireline acoustic single-well imaging technology can now detect geological structures tens of meters away from boreholes. Further development of this single-well imaging technology in the logging-while-drilling (LWD) environment will have ...
Yanghu Li +5 more
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Cejing jishu, 2023 The current acoustic reflection imaging logging while drilling (LWD) technology is affected by the interference of large amplitude borehole mode waves and the oblique incidence of acoustic waves on the borehole wall, resulting in a long propagation path ...
LIU Xien, ZHAO Teng, CHE Xiaohua
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Natural Gas Industry B, 2021 Since deep-sea gas hydrate-bearing sediments were drilled for the first time in the Blake Ridge in 1970, gas hydrates have been discovered at 53 drill sites in the continental margins of global oceans with international scientific ocean drilling (DSDP ...
Guangfa Zhong, Di Zhang, Luanxiao Zhao
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Frontiers in Earth Science, 2022 Single-well acoustic imaging in logging-while-drilling (LWD) has important application potential in evaluating cluster-well drilling safety as it can be applied to the real-time detection of an existing cased borehole from a new well during drilling ...
Zhen Li +5 more
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Research on data transmission system of acoustic wave while drilling based on OFDM
IET Communications, 2023 Logging while drilling is to transmit down‐hole measurement data to the surface timely and accurately to ensure the normal production. Drilling data transmission system includes mud pulse and electromagnetic wave.
Zhong Zheng, Yanfeng Geng
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Energies, 2022 Natural gas hydrate is easy to decompose and leak due to the changes in temperature and pressure during drilling, which causes safety accidents. Early monitoring of wellhead overflow is a practical and effective measure to prevent overflow blowouts and ...
Chao Zhong, Jing’an Lu, Dongju Kang
doaj +1 more source