Gas extraction technology and application of near horizontal high directional drilling by Huijun Duan, Yi Wang, Qian Xiao, Jiale Wang, Dong Peng

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Thermal analysis of directional drilling tool in high heat flux environment by Jin, Kenichiro, 1979-

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Tingkah laku tekanan fana telaga condong pada reserbor homogen / by 401707 Abu Talib Abd. Rahman

Subjects: “…Directional drilling…”

Masalah operasi peranti pengelogan terlekat dalam telaga berarah bersudut tinggi : kajian kes / by 321750 Ramlan Abdul Latif

Subjects: “…Directional drilling…”

Aturcara komputer untuk perancangan penggerudian telaga berarah versi 2/ by 347334 Azmee Osman

Subjects: “…Directional drilling…”

Underground coal gasification and the ways of their admission by Beáta Jágerová, Ján Pinka, Mariana Mihočová

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Research on directional drilling technology for superimposed “three zones” passing through goaf by Yi LOU, Longjun LIANG, Jie CHEN, Linjie SHAO, Fuqin YANG, Wang YI

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Intelligent electric control system design for mine horizontal directional drilling rig by LIU Zhu1, LI Linbo2, DU Jianrong2, ZHANG Yuxiang1, SONG Jiancheng1

Subjects: “…mine horizontal directional drilling rig; intelligent electric control system; safety barrier; leakage blocking; remote pilot…”
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Numerical Methods for Optimization of the Horizontal Directional Drilling (HDD) Well Path Trajectory by Rafał Wiśniowski, Paweł Łopata, Grzegorz Orłowicz

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Development of a Novel Hybrid-Type Rotary Steerable System for Directional Drilling by Jongheon Kim, Hyun Myung

Subjects: “…Directional drilling…”
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Dust Control Technology in Dry Directional Drilling in Soft and Broken Coal Seams by Dongmei Wu, Jie Gao, Ke Lu

“…High rate of dust generation and serious dust diffusion in dry directional drilling in soft and broken coal seams (SBCS) have long been critical problems in the mining process. …”
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The Detection Method of Fire Abnormal Based on Directional Drilling in Complex Conditions of Mine by Huijun Duan, Shijun Hao, Jie Feng

“…This paper based on analyzing the trajectory control of directional drilling, measurement while drilling and the characteristic of open branch process, the project of the directional drilling is formulated combination with a complex condition mine, and the detection of fire abnormal is implemented. …”
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Theoretical problems of pipe inserting by making use of the method of horizontal directional drilling by Jaroslav Raclavský

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Dynamic and Static Multiobjective Topology Optimization for Gears of Directional Drill Transmission System by Xiaohong Zhao, Xianguo Yan, Zhi Chen, Linbo Li, Ruibin Ren

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Introduction to directional and horizontal drilling / by 357467 Short, J. A.

Subjects: “…Directional drilling…”

The Catenary Method as an Alternative to the Horizontal Directional Drilling Trajectory Design in 2D Space by Rafał Wiśniowski, Krzysztof Skrzypaszek, Paweł Łopata, Grzegorz Orłowicz

Subjects: “…horizontal directional drilling (hdd)…”
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Risk Assessment in Energy Infrastructure Installations by Horizontal Directional Drilling Using Machine Learning by Maria Krechowicz, Adam Krechowicz

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Laboratory study of fluid properties owing to cutting intrusions during horizontal directional drilling by Pinghe Sun, Dingqiang Mo, Samuel T. Ariaratnam, Han Cao, Pengfei Zhang

“…During horizontal directional drilling installations, a primary function of drilling fluids is to yield drill cuttings and lubricate the product pipe. …”
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Novel cable measurement while drilling device used for directional drilling in coal mine by FANG Jun, SHI Zhijun, LI Quanxin, GAO Jun

Subjects: “…directional drilling in coal mine…”
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Design of drilling parameters monitoring system of directional drilling rig in coal mine tunnel by FANG Peng

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