Theoretical analysis and design of hydro-hammer with a jet actuator: An engineering application to improve the penetration rate of directional well drilling in hard rock formations. [PDF]
Rapid horizontal directional well drilling in hard or fractured formations requires efficient drilling technology. The penetration rate of conventional hard rock drilling technology in horizontal directional well excavations is relatively low, resulting ...
Jiang-Fu He +3 more
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Research and practice of high speed spiral compound drilling technology in complex weak coal seam
In view of the difficult problems of drilling and discharging slag and low hole forming rate in complex weak coal seam of Wangpo Coal Mine, the high speed spiral compound drilling technology is studied, and the performance characteristics of ZDY6000LR ...
LI Yingxi
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The rock breaking capability analyses of sonic drilling
Sonic drilling technology uses the longitudinal vibration of a drill string to realize fast and effective drilling. By setting the top and bottom boundary conditions of the drill string during drilling, a dynamic model of flexible sonic string percussive
Yonghang Qian +4 more
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Optimization of drilling parameters based on Copula function method for the Chepai area [PDF]
In areas with complex stratigraphic lithology, the relationship between the penetration rate and drilling parameters should be fully considered to optimize the drilling process and improve drilling efficiency.
Liu Yingbiao +5 more
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The processing damages such as delamination and tearing were easily produced during the drilling of the sleeve holes of GFRP, which were directly related to the axial drilling force. In order to improve the quality of GFRP hole-making, a new diamond thin-
Xianglong DONG +6 more
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Fuzzy Logic Controller Design for Intelligent Drilling System [PDF]
An intelligent drilling system can be commercially very profitable in terms of reduction in crude material and labor involvement. The use of fuzzy logic based controller in the intelligent cutting and drilling operations has become a popular practice in ...
Ahamed, Nizam Uddin +8 more
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Optimization of Drilling Process Parameters on Die Steel (H13) using Carbide Coated Drill by Design of Experiment Concept [PDF]
This experimental work presents the optimization of process parameter of surface roughness with using coated carbide drill on H13 steel. Taguchi design of experiments was implemented for executing the process parameter of Drilling process on H13 steel ...
Ganesh, J. (J) +3 more
core +1 more source
THE INFLUENCE OF DRILLING FLUID ON THE CORROSION RATE OF TUBULAR MATERIAL [PDF]
Corrosion is a chemical, biochemical or electrochemical process of degradation on the surface of metals in contact with aggressive agents. Drill pipes are constantly in contact with the drilling fluid which has a corrosive action on its components ...
Gabriela Ioana Stan +2 more
doaj
A Data-Driven Approach to Predict the ROP of Deep Wells in Fukang Sag
In the deep well drilling process in the Fukang Depression of the Eastern Junggar Basin, rock fracturing issues and low rate of penetration (ROP) have posed significant challenges to drilling efficiency.
Yingjie Wang +5 more
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Improving drilling performance through optimizing controllable drilling parameters
The prediction of the drilling rate of penetration (ROP) is one of the key aspects of drilling optimization due to its significant role in reducing expensive drilling costs.
Ahmed Bani Mustafa +3 more
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