測井電流 的英文怎麼說
中文拼音 [cèjǐngdiànliú]
測井電流
英文
logging current- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 井 : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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The sensor used unbalanced principle of alternating electric field around feed cable to detect the state of electric field of cable core over the ground, thereby got out the result that the feed state of cable in mine had no relation to the current in the cable
該傳感器利用饋電電纜周圍交替電場的不平衡原理檢測電纜芯線對地的電場狀態,從而間接檢測出礦井電纜的饋電狀態與電纜是否有電流無關。So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging
本文正是基於這一思想,以開發新的油水兩相流測試儀器為目標,進行先期的測量理論探索,試圖從原理上改進油水兩相流測井方法和工藝,實現利用同種電學敏感原理同時完成持率和總流量的測量,推動油水兩相流測井技術的發展。The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function
系統採用單片機控制技術,完成所控制電動機的控制功能,並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理,實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能,並提供本質安全型輸入、輸出介面,能與煤礦井下監測監控系統聯網運行。At the end, the study comes to the conclusion that the physical fundamentals of electromagnetic wave imaging logging are strong, and it is necessary to select the wave working mode and frequency carefully for measuring and displaying the multiphase flowing section in oil wells
研究結果不僅論證了電磁波成像測井具有堅實的物理基礎,而且明確了正確測量和顯示井內流體流動截面必須合理選擇電磁波的工作模式和頻率。From physical principle, the electric property differences among oil, gas, and water are analyzed, and it is pointed that the electric properties of their mixture in oil wells are not only determined by their electric parameters, but also related to the mixture flow velocity, concentration and distribution state of each phase, and the measured electromagnetic field
其次,從物理機理出發,對油、氣與水的介電特性和導電特性差異進行分析,指出油井內混合流體的電性質不僅與各相流體的電性參數有關,而且與流體的流動速度、各相含量、分佈狀態以及測量電磁場有關。The physical fundamentals of electromagnetic wave imaging logging in multiphase flow deal with the wave propagating characteristics and the fluid electromagnetic properties in oil wells
研究多相流動電磁波成像測井要涉及到兩個物理基礎問題:一是油井中電磁波的傳播特性,二是油井中流體介質的電磁性質。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。This paper introduces four kinds of mehtods that is used to investigate crack in underground rock stratum : borehole core method, ultrasonic imaging method, borehole television method, and borehole discharge well logging method
摘要本文介紹了地下巖層裂隙的4種勘察研究方法:鉆孔巖芯法、超聲成像法、鉆孔電視法、鉆孔流量測井法。Scope of application : this product is suitable under the mine pit exchanges the rated voltage is 450 / 750v and in following power distribution equipment electric appliance measuring appliance makes the control signal protection and survey
產品用途:本產品適用於礦井下交流額定電壓為450 / 750v及以下配電裝置中的電器儀表作控制信號保護和測量。According to the requirements and the data flow analysis of high - speed cable telemetry system and the requirements of different kinds well logging down hole tools, in order to meet the needs of the image well logging system, the data protocol had been designed
根據電纜遙傳系統的總體要求和對各種測井儀器進行的需求分析,分析電纜遙傳系統的數據流程,並在此基礎上設計出滿足各成像測井儀器需要的數據協議。分享友人