Results 21 to 30 of about 955 (135)

A Note on Predicting Rate of Penetration Using Machine Learning Models [PDF]

JES: Journal of Engineering Sciences
Rate of Penetration (ROP) is a critical parameter influencing drilling efficiency and accelerating field development. Although conventional ROP models (e.g., Bourgoyne, Hareland) provided reasonable results, they often struggle with limited accuracy and ...
Ahmad Husseiny, Attia Attia, Ahmed Hagag
doaj   +1 more source

Machine Tool Equipped with a Counter Balance Feed Drive in the Z Direction with Right and Left Ball Screws and the Influence of Anisotropic Mechanical Behavior on Small-Diameter Drilling Processes

International Journal of Modeling and Optimization, 2023
In recent years, electronic devices have become lighter, thinner, shorter, smaller, and more multifunctional, motivating micro drilling technology to become more sophisticated. To meet the demands of electronic applications, this paper proposes a drilling machine tool with a counterbalance vibration control mechanism.
Yusuke Nosaka, Toshiki Hirogaki, Eiichi Aoyama   +2 more
openaire   +1 more source

Simulation of colloidal slip with double friction force in automatic directional drilling

Meikuang Anquan
The automation degree of sealing technology in coal mine is insufficient, and the automatic directional drilling rig can improve the automation degree of sealing.
Shuhan SHI, Qingfeng WANG, Dezhong XIN, Hang CHEN, Jun WAN, Xiaochao CUI, Xing WANG   +6 more
doaj   +1 more source

Sealing performance evaluation criteria and profile optimization of the volumetric cavities of positive displacement motors for directional drilling

Meitian dizhi yu kantan
ObjectiveConstrained by complex stratigraphic conditions in underground coal mines, directional drilling faces challenges such as low efficiency when encountering medium-hard and hard formations.
Yuchun KUANG, Xin HU, Jingpei ZHOU, Jinwu LUO, Yihui LIU, Yiwei HAN   +5 more
doaj   +1 more source

Real-Time Intelligent Recognition and Precise Drilling in Strongly Heterogeneous Formations Based on Multi-Parameter Logging While Drilling and Drilling Engineering

Applied Sciences
Facing engineering challenges of real-time and high-precision recognition of strongly heterogeneous formations during directional drilling, it is crucial to address the issues of sparse lithology geological labels and multi-source lithology ...
Aosai Zhao, Yang Yu, Bin Wang, Yewen Liu, Jingyue Liu, Xubiao Fu, Wenhao Zheng, Fei Tian   +7 more
doaj   +1 more source

DRILLING OPTIMIZATION IN ROMANIAN GAS FIELDS USING ADVANCED DIGITAL TOOLS [PDF]

Romanian Journal of Petroleum & Gas Technology
The continuous evolution of the energy industry, driven by decarbonization goals and digital transformation imperatives, has led to significant advancements in drilling operations.
Viorel Dragomir, Bogdan Andrei Ionete, Dragos Răzvan Dicu, Mihail Tudose, Lazăr Avram, Liviu Dumitrache   +5 more
doaj   +1 more source

A Neural Network Based Fuzzy Controller For Pneumatic Circuit [PDF]

Engineering and Technology Journal, 2010
Pneumatic circuits are widely used in industrial automation, such as drilling,sawing, squeezing, gripping, and spraying. Furthermore, they are used in motioncontrol of materials and parts handling, packing machines, machine tools, foodprocessingindustry ...
Mohammed Yousif Hassan
doaj   +1 more source

L2-SSA-LSTM Prediction Model of Steering Drilling Wellbore Trajectory

IEEE Access
The high-speed vibration rotation of the drill bit during drilling causes the logging tool to be damaged or distorted, resulting in inaccurate or lost data collection.
Yi Gao, Na Wang, Yihao Ma
doaj   +1 more source

Analysis of coal thickness identification and imaging accuracy of mine directional borehole radar

Meitan xuebao
The geological structure of coal mines in China is complex, and precise detection of coal seam thickness and orientation is crucial for intelligent and safe mining operations.
Xianlei XU, Jinglin LI, Shilong CAO, Haoran ZHANG, Zhenghan YUAN   +4 more
doaj   +1 more source

Happy Seeder Machine Enable Direct Drilling of Wheat (Triticum aestivum) in Rice-wheat Cropping System

Current Journal of Applied Science and Technology, 2019
A field experiment was conducted during Rabi 2015-16, 2016-17 and 2017-18 by Krishi Vigyan Kendra Muktsar, to find out the performance of happy seeder machine for sowing of wheat after rice crop. Happy seeder tackles the problem of paddy straw which can convert this waste into resource.
Nirmaljit Singh Dhaliwal, Balkaran Singh Sandhu   +1 more
openaire   +2 more sources