Results 21 to 30 of about 240 (159)
A lossless compression method for logging data while drilling
Systems Science & 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
Shan Song +5 more
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Известия высших учебных заведений: Нефть и газ, 2023 During the geological modeling process, it can be problematic to substantiate predicted faults or barriers that are estimated from seismic data and require additional research.
Alena V. Ilmendeeva, Nikita V. Nosov
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Design and Implementation of the Controllable-Source Neutron Porosity Logging While Drilling Tool
Cejing jishu, 2023 In order to avoid the construction risk caused by chemical sources in the radioactive logging of highly deviated wells, long horizontal wells and complex operating conditions, to obtain the formation data safely and efficiently, the controllable-source ...
CHEN Hui +5 more
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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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Logging-while-drilling formation dip interpretation based on long short-term memory
Petroleum Exploration and Development, 2021 Azimuth gamma logging while drilling (LWD) is one of the important technologies of geosteering but the information of real-time data transmission is limited and the interpretation is difficult.
Qifeng SUN +4 more
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He jishu, 2023 BackgroundAccurately calculating the borehole size and standoff between the tool and borehole wall is the premise for correcting the effect of the borehole environment and improving measurement precision in logging while drilling (LWD).PurposeThis study ...
YU Huawei +7 more
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Abnormal Response Correction Method of LWD Resistivity Based on Correlation Comparison Method
Cejing jishu, 2023 The logging while drilling (LWD) resistivity response of “polarization” occurs frequently, it is generally believed that often appears in high angle wells and horizontal wells near formation interface.
HE Yuchun +4 more
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Geofluids, 2017 The underbalanced drilling (UBD) technology has been widely implemented due to its advantages in drilling efficiency improvement and cost reduction. However, this advanced technology requires very special equipment and operational mechanism, which raises
Hao Wu +6 more
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Data Mining: Caliper Prediction Based on Gamma Logging While Drilling
Improved Oil and Gas Recovery, 2021 During offshore drilling and completion operations of production adjustment wells, logging while drilling (LWD) is often adopted to improve the timeliness of drilling. In order to provide more reliable decision-making basis under limited data conditions,
Jiang Shaolong, Zhang Guoqiang, Yuan Renguo, Li Xin, Feng Enlong
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Геофизический журналLogging-while-drilling (LWD) oil-and-gas boreholes is an advanced technology that improves the efficiency of drilling-and-logging operations. The cost of services and the technological monopoly of foreign firms, and their leaving from Ukraine in 2022 ...
M,S, Bondarenko +2 more
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