Results 1 to 10 of about 58 (54)
Development of a rapid field testing method for metals in horizontal directional drilling residuals with XRF sensor [PDF]
Scientific Reports, 2021 Portable X-ray fluorescence (pXRF) spectrometer allows fast in-situ elemental determination without wet digestion for soils or geological materials, but the use of XRF on wet materials is not well documented.
Hailin Zhang +2 more
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Horizontal Directional Drilling-Length Detection Technology While Drilling Based on Bi-Electro-Magnetic Sensing [PDF]
Sensors, 2017 The drilling length is an important parameter in the process of horizontal directional drilling (HDD) exploration and recovery, but there has been a lack of accurate, automatically obtained statistics regarding this parameter.
Yudan Wang, Guojun Wen, Han Chen
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Mechanical Analysis of DS in Horizontal Directional Drilling
Applied Sciences, 2022 In recent years, trenchless horizontal directional drilling (HDD) technology has developed rapidly towards the direction of large pipe diameter and long span. During construction, the buckling deformation and large drag torque of the drillstring (DS) are
Hua Tong, Yongbo Shao
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Installation of submarine cables and pipes in shallow waters and connecting them to the shore by the method of horizontal directional drilling [PDF]
E3S Web of Conferences, 2021 This article presents the horizontal directional drilling (HDD) as one of the most suitable technique used to reduce the impact on the environment during the submarine pipe and cable installation process, especially in the coastal area and shallow waters.
Vasilescu Valeriu-Florian, Dinu Dumitru
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工程科学学报, 2022 Horizontal directional drilling (HDD) technology is widely used in the construction and maintenance of municipal lifeline projects, the laying of long-distance oil and gas pipelines, and directional survey of mountains.
Ping-he SUN +4 more
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Applied Sciences, 2022 In practice, the drilling path of horizontal directional drilling (HDD) projects is usually constructed by trial and error based on a preliminary designing trajectory.
Liangxing Jin, Junjie Wei
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Energies, 2021 Nowadays we can observe a growing demand for installations of new gas pipelines in Europe. A large number of them are installed using trenchless Horizontal Directional Drilling (HDD) technology. The aim of this work was to develop and compare new machine
Maria Krechowicz, Adam Krechowicz
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An Estimation of Required Rotational Torque to Operate Horizontal Directional Drilling Using Rock Engineering Systems [PDF]
Journal of Petroleum Science and Technology, 2018 Horizontal directional drilling (HDD) is widely used in soil and rock engineering. In a variety of conditions, it is necessary to estimate the torque required for performing the reaming operation.
Hadi Fattahi
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Surface settlement induced by horizontal directional drilling
Underground Space, 2023 Horizontal directional drilling (HDD) is a widely used trenchless method for underground utility connections. The associated ground settlement triggered by HDD depends on the size, types, and surface texture of pipe, diameter of borehole, and soil ...
Asif Ahmed +3 more
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Numerical Methods for Optimization of the Horizontal Directional Drilling (HDD) Well Path Trajectory
Energies, 2020 Advances in the field of material engineering, computerization, automation, and equipment miniaturization enable modernization of the existing technologies and development of new solutions for construction, inspection, and renovation of underground ...
Rafał Wiśniowski +2 more
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