Chigur, I.: The Method of Technical Condition Monitoring of Rock Bit During Hole Drilling Basing on Fuzzy Logic. In: Proc. 7th Zittau Fuzzy Colloquium, Zittau, Germany (1999) 108–118 About this Chapter Title Near-Term Forecasting of Drilling Cost of Borehole by Fuzzy Logic Book Title...
However, variation exists in the cost of drilling boreholes from one area to another within the metropolis. This paper therefore, investigated the factors responsible for the spatial variation. Using question schedule, five teams of manual boreholes drillers located in different parts of the ...
aallow the tattoo to dry 让纹身花刺烘干[translate] aNow the drilling cost for unit depth of borehole with 100-150mm diameter is about 30-180RMB according to the geological condition [27]. 现在钻费用为钻孔的单位深度与100-150mm直径是关于30-180RMB根据地质情况 (27)。[translate]...
The elements are: operation and maintenance procedures; preference for local private sector drilling; borehole standards and designs; drilling equipment; procurement processes; contrac...关键词: cost effectiveness analysis incentives water management water resources ...
2: What's your main products of your company? A: We specialized in all kinds of machines ,such as CNC Lathe Machine ,CNC Milling Machine ,Vertical Machining Center ,Lathe Machines ,Drilling Machine ,Radial Drilling Machine ,Sawing Machine ,Shaper machine and so on ...
aDifferent drillers and drilling technology should be utilized in different kind of geological structure, to control the borehole quality and drilling efficient, and to achieve the best cost-efficient 在另外种类地质结构应该运用不同的缵孔者和钻技术,控制钻孔质量和钻井高效率和达到最佳费用高效率[translat...
2. Power head (through-hole type) 1) With its 92mm diameter, it can guarantee clear pass for dia89mm drilling rod. It can also meet the requirements of triple pipe jet grouting construction and anchoring. 2) With its hydraulic craw...
It was published around the same time as international guidance from ISRM and IAEG on similar themes, but the British Standard always had wider coverage because it included guidance on the selection of drilling methods and covered field and laboratory tests. BS 5930 was revised in ...
Drilling for Water in Ethiopia: a Country Case Study by the CostEffective Boreholes Flagship of the Rural Water Supply Network. Federal Democratic Republic of Ethiopia/WSP/RWSN.Carter, RC, Desta H, Etsegenet...
methodological precedents: (1) outcomes are not only expressed in terms of technical feasibility, but also as a function of drilling time and cost; (2) maps refer to a specific drilling technique; and (3) results take into account borehole diameter, as this constrains both drilling time and...