Results 21 to 30 of about 974,451 (233)

PROSPECTS FOR DEVELOPMENT OF TECHNOLOGY AND FACILITIES OF PILOT BORES HORIZONTAL DIRECTIONAL DRILLING FOR TRENCHLESS LAYING OF PIPELINES

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
The relevance. In the process of horizontal directional drilling, it is often necessary to overcome solid inclusions or hard rocks, that requires the use of a rational way of their destruction by an impact.
Lev A. Saruev   +4 more
doaj   +1 more source

A Novel Model for the Real-Time Evaluation of Hole-Cleaning Conditions with Case Studies

open access: yesEnergies, 2023
The main challenge in deviated and horizontal well drilling is hole cleaning, which involves the removal of drill cuttings and maintaining a clean borehole.
Mohammed Al-Rubaii   +2 more
doaj   +1 more source

Application of Ultra-deep Directional Drilling Technology in the Investigation of Sichuan—Tibet Railway Tunnel

open access: yes工程科学与技术, 2022
In view of the large terrain elevation difference along the Sichuan—Tibet railway, the steep topography of the long and large buried depth tunnel project, extremely poor traffic conditions, and the inability to implement vertical deep hole exploration ...
Zhengxuan XU   +6 more
doaj  

Analysis of the Influence of Whipstock Point Position of Directional Drilling through Embankment on the Stability of Embankment Slope against Sliding

open access: yesAdvances in Civil Engineering, 2022
With the increasing number of river-crossing pipeline projects, many studies have focused on the safety and stability of embankment slopes in horizontal directional drilling crossing embankment construction.
Jinhuang Yu   +3 more
doaj   +1 more source

Prospects for the Use of Technology of Rotary Steerable Systems for the Directional Drilling [PDF]

open access: yesE3S Web of Conferences, 2020
In the process of gradual reorientation of the oil industry to the production of heavy hydrocarbons, inaccessible to traditional methods of production, the need arises for the application of modern technological solutions.
Epikhin Anton   +2 more
doaj   +1 more source

Manufacturing system engineering: Horizontal directional drilling (drilling and tooling) [PDF]

open access: yes, 2013
Horizontal directional drilling (HDD), also known as directional drilling as one of the methods of installing underground pipe and conduit.In this research this drilling method is being discussed meticulously.This research reveals the operation and ...
Rajemi, Mohamad Farizal   +4 more
core   +1 more source

Magnetic beacon-based horizontal directional drilling guidance technology

open access: yes, 2023
In order to solve the problems of existing horizontal directional drilling (HDD) guidance methods, including low measurement accuracy, shallow positioning distance, discontinuous measurement data and great interference by magnetic field, a magnetic ...
Lu, WANG   +3 more
core   +1 more source

Análisis comparativo técnico - económico de producción de crudos pesados en pozos horizontales y direccionales, arena “m-1” formación napo, bloque 16, oriente ecuatoriano

open access: yesRevista Científica y Tecnológica UPSE, 2016
Los tipos de perforación ejecutados en el campo Amo son: perforación vertical, direccional y horizontal. El objetivo de este trabajo es analizar qué tipo de perforación conviene hacer en el campo Amo.
Carlos Portilla   +2 more
doaj   +1 more source

Layout of construction site in horizontal directional well drilling.

open access: yes, 2018
Layout of construction site in horizontal directional well drilling.
Jiang-fu He (5227361)   +3 more
core   +1 more source

Application of Reaming Drill Bit in Horizontal Directional Well

open access: yesMeikuang Anquan, 2020
The reaming drill bit wrapped with mud in long-distance horizontal directional well will lead to drilling time delay and trajectory deviation from the original wellbore.
LI Peng, MO Haitao, ZHANG Qiang, LI Zijian
doaj   +1 more source

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