directional well 中文意思是什麼

directional well 解釋
定向井
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • well : n 1 井。2 泉水；源頭，來源。3 坑，穴，凹處；【礦物】礦井，豎坑；【軍事】（地雷的）井坑；【建築】...
  1. Abutting technology for horizontal directional well of js6 and js

    5水平定向井連通施工工藝
  2. In this paper, the current commonly - used types of the interchanges, such as the diamond, three - leg, directional, half - directional, cloverleaf, partial cloverleaf interchanges, are briefly introduced and the features and applicable ranges of the different types of the interchanges as mentioned are discussed as well

    簡要介紹當前常見的菱型、喇叭型、定向型和半定向型、苜蓿葉型、部分苜蓿葉型等立交互通型式，討論上述各種立交互通型式的特點及適用范圍。
  3. Application of horizontal directional well technology in a salt well in guangdong

    水平定向井技術在廣東某鹽井中的應用
  4. We have experienced engineer, may accept the customer the handtailor electronic products ( including non - sign power source, special power source as well as measuring instrument ) design and production ; has the specialized sales people with professional skills, further provides the omni - directional service for the customer

    我們擁有經驗豐富的工程師，可接受客戶的特製型電子產品（包括非標電源、特種電源以及測試儀器）的設計和生產；擁有專業的銷售專才，進一步為客戶提供全方位的服務。
  5. The control laws of longitudinal and lateral - directional autopilot modes are designed based on root locus theory. the control laws of altitude holding mode, heading holding mode, auto - throttle control and air speed holding mode are designed as well

    研究了無人機的飛行控制技術，利用根軌跡法設計了無人機的縱向與側向姿態保持控制律，設計了高度保持、航向保持、自動油門及速度保持控制律。
  6. Directional reception and verification of acoustic well logging data

    聲波測井信號定向接收處理方法及校驗
  7. The call center of chinacars with more than 200 seats and most advanced software and hardware system, serves as a bridge between customers and automobile manufacturers, as well as automobile dealers, and provides outsourcing services for transnational corporations such as bmw, volvo and general motors, while providing all - directional consumption services

    中國汽車網呼叫中心擁有200多個坐席，採用行業中最先進的軟硬體系統，除了為用戶提供全線的汽車消費服務外，呼叫中心還是用戶和汽車廠商、經銷商之間的空中橋梁，為寶馬，沃爾沃，通用等大型跨國公司提供專業的呼叫中心外包服務。
  8. The analytic result derived by studying the vertical directional property shows that, the vertical sensitivity distribution is homogeneous and the fluctuation is 0 db in theory. the fluctuation observed in experiments is less than 0. 3db, which agrees well with that in theory

    垂直指向性分析結果表明，光纖水聽器垂直方向的靈敏度分佈是均勻的，理論上波動應為0db ，而實驗測得的垂直方向的指向性波動小於0
  9. High angle multi - target directional well drilling technology in long open hole

    長裸眼大斜度多目標定向井鉆井技術
  10. Through studing the plane and vertical hydromechanical characteristics in the radial sandbanks area, the mechanisms of the formation, maintenance and asymmetrical distribution of the radial sandbanks are understood. it ' s well known that the directional to - and - fro movement and strong tidal current are the necessary dynamic conditions for the formation of tidal current sandbanks

    通過對輻射沙脊群海域平面及立面動力特徵的研究，基本探明了南黃海輻射沙脊群形成發育和維持的水動力機制，以及其不對稱分佈格局與動力因素的內在聯系。
  11. The technology of directional butted & connected well means to butt & connect two or more wells directionally at the underground target extraction layer which is hundreds of meters away from the ground but hundreds of meters away from each other on the ground to fulfill mining with two or more wells connected

    摘要定向對接連通井技術是採用定向鉆探技術和水平井技術，使地面相距數百米的兩井或多井，在地下數百米甚至數千米的目的開采層定向對接連通，實現兩井或多井連通采礦。
  12. Well trajectory for non - straight wells, which includes directional wells, horizontal wells, siedtracking and / or horizontal wells, long - reach wells and multibranches, is one of key techniques in non - straight drilling. the main results, obtained in this dissertation, may be summarized as follows

    本文以石油工程中的非直井（定向井、水平井、側鉆井、側鉆水平井、大位移井、分支井）軌跡控制為背景，研究了一類約束優化與最優控制問題。
  13. Associated with a practical example of pipeline crossing with directional drilling technique in yizheng - changling crude oil pipeline, this paper analyzes the characteristics of crossing through rocky stratum with directional drilling, deliberates the stratum status, drilling machine selection, drilling tool assembly, direction control, mud control ; drilling process as well as emergency dealing scenarios at the stages of guiding - hole drilling, aperture expanding and back - towing

    摘要結合儀征長嶺原油管道洪湖長江定向鉆穿越工程實例，分析了管道定向鉆穿越長距離巖石層的特點，論述了定向鉆穿越巖石層的地層狀況、鉆具組合、控向措施、泥漿控制、鉆進工藝以及導向孔鉆進、擴孔、回拖階段的應急預案，針對在鉆導向孔過程中因泥漿壓力高、信號線多次出現被高壓泥漿沖壞、造成控向信號不穩定甚至中斷的情況，對信號線的安裝提出了改進措施。
  14. Due to the limited underwater action scope of a submarine, and it must be provided well maneuver performance, not only the depth - keeping and directional steady motion but also quick elusion or entering the battle status, which brings forward a high demand to submarine control

    由於潛艇在水下的活動范圍有限，同時潛艇又必須具備良好的操縱性能，既要保證定深，定向的穩定運動，又要能機動靈活的規避或進入武器發射的戰斗狀態。這樣就給潛艇的操縱控制提出了很高的要求。
  15. This dissertation focuses on survivability and self - healing issues of broadband transport networks : the dynamical pre - configuration of the p - cycles, network planning with joint the pre - configuration and the pre - planning method as well as blsr ( bi - directional line - switched ring loading ) loading problem

    本文主要研究了寬帶傳送網路生存性及自愈技術，主要集中在以下幾個方面： p - cycle的預先動態配置、預先配置和預先規劃相結合的網路規劃以及雙向線路倒換環（ blsr - bi - directionalline - switchedring ）的業務負載。
  16. Sliding seals require a nuique resilence due to the directional forces which they are subjected to. polypr - opylene is well selected to cope with this aggressive requirement

    聚丙稀是最好的選擇去應付那獨一無二的正向受壓，又密封滑動的情況而保持豎直不變形的物質。
  17. Extended - reach directional well

    大位移定向井
  18. The results of reserch work show that the area of ca012, ca031, ca060 and the area near the shi - cun faultage are adventage exploratory targets. the succeed possibillity is bigger. but it has the high venture in all. it is suggested to frac - pack, to drill directional well to test oil in steam stimulation

    研究結果表明：位於火山口附近的草12井區和草31井區、草60井區、石村斷層附近是比較有利的勘探目標，勘探成功的可能性較大，建議利用壓裂引效、鉆定向井的方法進行熱采試油，並開展全區測井約束地震反演，對油氣成藏進行更全面的評價。
  19. With the serious problem of harmonics pollution to the power system, as well as the need of high performance of ac drive application, three - phase pwm rectifiers have been as active research topic in power electronics recently, due to the virtues, such as sinusoidal input currents, unity power factor, steady output voltage, good dynamics and bin - directional energy flow

    隨著電網諧波污染問題日益嚴重和人們對高性能電力傳動技術的需要， pwm整流技術引起人們越來越多的注意。三相pwm整流器可以做到輸入電流正弦、單位功率因數、直流電壓輸出穩定，具有良好的動態性能並可實現能量的雙向流動。因此， pwm整流器成為當前電力電子領域研究的熱點課題之一。
  20. Multi - target directional well

    多目標定向井
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