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- drill tool corrosion 钻具腐蚀
- Keywords thickner;drill tool corrosion;drilling fluid additive;corrosion control;mechanism; 稠化剂;钻具腐蚀;钻井液添加剂;防腐;机理;
- Research Progress of Drilling Tool Corrosion in Gas Fields with High Sulfur Content 高含硫气田钻具腐蚀研究进展
- Grey Association Analysis of Drilling Tools Corrosion Factors in Air Drilling 空气钻井中钻具腐蚀因素的灰关联分析
- Investigation about Factors of Drilling Tools Corrosion for Air Drilling 空气钻井中钻具腐蚀影响因素分析
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- The drilling tool should be measured precisely. 请准确丈量钻具。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- These two days we have been laying down drill tools. 这两天我们都在甩钻具。
- This paper analyses the influence of excentric shaft connection on force case of drill tool,and discusses the causes of drill tool failure. 文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
- Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented. 给出了确定井下液力推进器以下钻具临界长度的两种方法。
- At last,accor ding to the different design claims,enumerate method and iteration of steerable drill tool is designed,and give some design exemples in different conditions. 最后,根据不同的设计要求,提出了设计导向钻具的枚举法和迭代法,并给出了各种条件下的设计示例。
- In order to attain the goal,the rotary speed of bit must be increased.By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- Get all the drilling tools unlashed. 解开所有钻具。
- Our Jacobs (Suzhou) came to Suzhou Industrial Park on 1996, and the total investment is US$16 million.We are the professional manufacturer of drill tool, portable power tool chucks. 本公司于1996年进入苏州工业园区;总投资额1;600万美元.;公司专业生产及经营各类钻具夹头,刃具夹固件,便携式工具及配件。
- This paper analyses how the whipstocking screw drill tools easily trip in casing. 因此,结构弯角必然较大,这就提出了这种钻具在套管内能否顺利下入的问题。
- Four experimental wells in Tahe Oilfield all drilled to the planed depth without any drill tool trou... 该技术的推广应用,必将对塔河油田剩余油田挖潜及增储上产起到积极的作用。
- A drilling tool. 钻子一种钻凿用工具
- Clean off any corrosion before applying the paint. 先除去所有的锈迹再上油漆。
- CASTON has experts from Xuanhua machinery plant with superiority on down-the-hole drilling tool and anchorage drill pipe. 凯司通公司拥有多名原宣化采掘机械厂的专家和工程技术人员,在潜孔、锚固钻杆生产方面具有无可替代的优势。