Results 21 to 30 of about 186 (126)
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Theoretical and Numerical Study of Seismoelectric Logs for Logging While Drilling (LWD)
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 +1 more source
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
doaj +1 more source
An EM LWD Tool for Deep Reading Looking-Ahead
IEEE Access, 2023 An electromagnetic (EM) logging while drilling (LWD) tool is proposed for deep reading detection ahead of the drill bit. The EM LWD tool consists of one coil transmitter sub and two separated coil receiver subs.
Pengfei Liang +5 more
doaj +1 more source
地质科技通报, 2021 Through the self-developed and designed no-dig Logging While Drilling(LWD) system, it can collect the parameters of no-dig drilling, identify the real-time formation lithology of no-dig drilling, and provide safety information guarantee for no-dig ...
Han Xu +8 more
doaj +1 more source
Design and implementation of data acquisition and processing software for NMR logging
Dianzi Jishu YingyongThe logging-while-drilling nuclear magnetic resonance (LWD NMR) instrument can provide in-situ formation porosity and permeability measurements unaffected by mud invasion, but it poses severe challenges to adaptability under extreme conditions and system
Li Fan +4 more
doaj +1 more source