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垂直钻井工具
相关语句
  vertical drilling
     THE DESIGN AND CONTROL WAYS OF THE DOWNHOLE AUTOMATIC CLOSED LOOP OF VERTICAL DRILLING TOOL
     自动垂直钻井工具的设计及自动控制方法
短句来源
     A NEW TYPE OF VERTICAL DRILLING TOOL
     一种新型垂直钻井工具
短句来源
     1. According to the request and characteristic of automatic vertical drilling technology, the structure and orienting principle of automatic vertical drilling tool is analyzed. Structure and principle of hydraulic control system as its anto-deviation mechanism is introduced, and control principle and automatic control method of automatic vertical drilling control system is illuminated.
     1.根据自动垂直钻井技术的要求和特点,本文分析了自动垂直钻井工具的结构及其导向原理,介绍了作为其纠偏机构的液压控制系统的结构和原理,并阐述了自动垂直钻井控制系统控制原理以及自动控制方法。
短句来源
  “垂直钻井工具”译为未确定词的双语例句
     The tool comprises a microprocessor,an inclination sensor and a controlled stabilizer.
     该自动垂直钻井工具包含井下微处理器、井斜角测量传感器及井下可控稳定器等。
短句来源
  相似匹配句对
     A NEW TYPE OF VERTICAL DRILLING TOOL
     一种新型垂直钻井工具
短句来源
     THE DESIGN AND CONTROL WAYS OF THE DOWNHOLE AUTOMATIC CLOSED LOOP OF VERTICAL DRILLING TOOL
     自动垂直钻井工具的设计及自动控制方法
短句来源
     Vertical Limit
     垂直极限
短句来源
     DISSOCIATIVE VERTICAL STRABISMUS
     分离性垂直偏斜
短句来源
     MAG WELDING TECHNOLOGY FOR DRILLING TOOLS
     钻井工具的MAG焊接工艺
短句来源
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  vertical drilling
It is not a major difficulty in near vertical drilling or in short directional laterals from a deep, near vertical bore.
      
Tests were done on a modified vertical drilling machine with a torque cell mounted on the base.
      


In China the rate of penetration is slow and the well path is hard to keep straight if we use the current drilling tools to drill well at the high steep dip structure.For this reason,authors designed an automatic down hole closed loop of control vertical drilling tool.The tool comprises a microprocessor,an inclination sensor and a controlled stabilizer.The stabilizer includes four undependable movable ribs,which were controlled by hydraulic power.When the well deviated,the rib at the high side of the wellborn...

In China the rate of penetration is slow and the well path is hard to keep straight if we use the current drilling tools to drill well at the high steep dip structure.For this reason,authors designed an automatic down hole closed loop of control vertical drilling tool.The tool comprises a microprocessor,an inclination sensor and a controlled stabilizer.The stabilizer includes four undependable movable ribs,which were controlled by hydraulic power.When the well deviated,the rib at the high side of the wellborn is controlled to move out.This produces a drop force on the bit to direct the well to the vertical path.In this way,the tool can keep the well vertical automatically without the human intervention.This article introduces the tool's work principal and its structure;This paper study and design its hydraulic power control system and introduces the tool's automatic down hole closed loop of control principle and ways.Finally,the dropping ability of the bottom hole assembly with the tool was calculated using the beam buckle principle,it proves that the tool can drill the well fast and keep the well path straight,even at the high dip structure where the build up force is very high.

设计了一种井下闭环自动垂直钻井工具。该自动垂直钻井工具包含井下微处理器、井斜角测量传感器及井下可控稳定器等。可控稳定器周围均布有四个可独立伸缩的导向块 ,它们受到内部液压系统的驱动 ,当井斜角偏离垂直方向时 ,井下微处理器会自动调整可控稳定器的工作状态 ,使可控稳定器上位于井眼高边的导向块伸出 ,顶向井眼高边 ,使钻头上产生一个降斜力 ,最后使井眼回到垂直轨道。本文详细介绍了这种自动垂直钻井工具的工作原理及结构组成 ;对工具内部的液压控制原理及控制回路进行了研究和设计 ;讨论并设计了对工具进行井下闭环自动控制的原理及具体方法 ;最后利用纵横弯曲法对包含有该工具的井下钻具组合的降斜能力进行了数值模拟分析 ,说明该自动垂直钻井工具将能够在地层造斜力很大的高陡构造中高效快速地完成垂直钻井的工作

The well Longshen 1 is a deep exploration well located at Dayuanbao structure of the overthrust nappe structure in front of the Longmen Mountain. The inclination angle of top formation is very big, so well inclination control is much difficult. Faults and natural fractures are abnormally developed, which result in disintegration and instability of formation. The most complex problem encountered is leakage of drilling fluid. During the drilling of 406mm section, the vertical drilling technique(VertiTrak)provided...

The well Longshen 1 is a deep exploration well located at Dayuanbao structure of the overthrust nappe structure in front of the Longmen Mountain. The inclination angle of top formation is very big, so well inclination control is much difficult. Faults and natural fractures are abnormally developed, which result in disintegration and instability of formation. The most complex problem encountered is leakage of drilling fluid. During the drilling of 406mm section, the vertical drilling technique(VertiTrak)provided by Bake Hughes is employed. Based on analysis of formation characteristics, the other techniques were applied in the well, including using polymer anti-sloughing drilling fluids to stabilize sidewell, adding transporting agent and viscofier to improve hole cleaning, applying hard-plug circulation control method to enhance strength of formation and sidewell pressure resistance. These methods ensured the downhole safety and normal drilling process of vertical drilling tool, the drilling speed was increased about 2.7 times and the deviation angle was controlled within 2°.

龙深1井是龙门山前缘逆掩推覆构造带大园包构造上第一口深探井。该井上部地层倾角大,井斜控制困难,受断层影响地层破碎裂缝发育,存在井眼不稳定、井漏等复杂问题。为防斜打快,在Φ406井段使用了贝克休斯垂直钻井技术。在分析钻井地层特性的基础上,设计使用聚合物防塌钻井液稳定井壁,通过携砂剂、增粘剂配伍改善井眼净化水平,应用桥接堵漏和硬塞堵漏工艺提高井壁承压能力,保证了垂直钻井工具的井下安全和正常工作,钻井速度提高近5倍,井斜控制在1°以内。

The paper introduced the working principle and structure of vertical drilling system. It is different from conventional pendulum assembly and stiff assembly. With this system, the side force is exerted on the bit directly by plunger, so, the side force is larger and has no connention with BHA and drilling condition, the effect of anti- inclination is very good. This vertical drilling system is pure mechanical structure without the electronic element, thus its structure is simple, cost is low, and is easy to...

The paper introduced the working principle and structure of vertical drilling system. It is different from conventional pendulum assembly and stiff assembly. With this system, the side force is exerted on the bit directly by plunger, so, the side force is larger and has no connention with BHA and drilling condition, the effect of anti- inclination is very good. This vertical drilling system is pure mechanical structure without the electronic element, thus its structure is simple, cost is low, and is easy to maintain. Through theoretical analysis, the working principle of the system is proved to be reliable. At present, this system has acquired the patent with Patent Number of 2004200894716.

井斜在石油钻井过程中经常发生,它的危害很大。文中介绍的垂直钻井工具的工作原理与常规的“钟摆”、“满[”不同,它通过柱塞把侧向力直接施加在钻头上。由于侧向力大且与钻具组合和钻井工况无关,因此,防斜效果好。这种垂直钻井工具是纯机械结构,没有电子器件,所以结构简单、维护方便、工作时间长、成本低。文章介绍了该工具的结构、工作过程,通过理论分析证明原理可靠。该工具已获国家专利,专利号是2004200894716。

 
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