欠平衡 的英文怎麼說

中文拼音 [qiànpínghéng]
欠平衡 英文
under balance
  • 欠 : 動詞1 （睏倦時張口出氣） yawn 2 （身體一部分稍微向上移動） raise slightly （a part of the body） ...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  1. The gas underbalance pressure drilling test for protecting reservoir was carried out in two holes

    開展了2口保護儲層的天然氣欠平衡鉆井試驗。
  2. Safety technology rules for underbalanced drilling

    欠平衡鉆井安全技術規程
  3. A pool formation analysis for qianmiqiao buried hill structure

    千米橋潛山小間隙欠平衡鉆井液研究
  4. Under balance pressure drilling technology and coalbed gas development

    欠平衡鉆井技術與煤層氣開發
  5. The evaluation of multiphase phase flow model in under - balanced drilling

    欠平衡鉆井多相流模型評價分析
  6. Specification for underbalanced drilling technology - part 1 : methods for design

    欠平衡鉆井技術規范.第1部分:設計方法
  7. Studies on mathematical model and practical method of well testing while underbalance drilling

    欠平衡鉆井隨鉆試井數學模型及實用方法研究
  8. This opens a new way to predict bottomhole pressure of under - balanced wells using the artificial neural networks method

    這為實際應用中使用人工神經網路方法預測欠平衡鉆井系統井底壓力開辟了一個新途徑。
  9. Specification for underbalanced drilling technology - part 2 : the outfit requirements of the wellhead pressure control and surface equipment

    欠平衡鉆井技術規范.第2部分:井口壓力控制裝置及地面裝置配備要求
  10. This paper introduces the development situation, basic concepts and mathematical model of bottomhole pressure about under - balanced drilling technology

    較詳細地論述了欠平衡鉆井技術的發展概況，基本概念和井底壓力的數學模型。
  11. This paper describes the con - cept of udb, together with its advantages and disad - vantages, and demonstrates the formation damagemechanism during ubd, e. g., the lack of filter cakeprotection, temporary over - balanced condition, pol - ishing effect and surface damage caused by frictionbetween bit and hole wall and poor cooling, and otherdamages, etc

    介紹了欠平衡鉆井的概念以及優點和缺點，闡述了欠平衡鉆井對地層的損害機理為由於缺少起保護作用的濾餅，臨時的超平衡造成對地層的損害；天然滲析效應；拋光、表面損害以及其它損害。
  12. The dada acquisition and pressure survey methods during under - balanced drilling are researched, which provide the foundation for obtaining training samples for neural network

    研究了欠平衡鉆井數據採集和壓力測量方法，為神經網路獲取訓練樣本奠定了基礎。
  13. The optimization of underbalance pressure drilling cycle medium and casing program and the complicated circumstances ( formation water out, sidewall stabilization and so on ) being able to occur in underbalance pressure drilling job were analyzed and investigated

    在欠平衡鉆井循環介質的優選、井身結構以及欠平衡鉆井作業中有可能出現的地層出水、井壁穩定性等方面進行了分析和研究。
  14. This kind of shaker has such features : its self - cleaning effect is powerful, no phenomena of screen pasting and screen jam happen, when improving the treating capacity by increasing throwing coefficient, the phenomena of drilling fluids spattering can be avoided, so that screening - separating drilling fluids in closed space can be realized. hence, this new kind of shale shaker will find its application in the new drilling techniques such as under - balanced drilling

    其主要特點是：自潔作用很強，沒有「篩糊」 、 「篩堵」現象；採用大拋擲指數提高振動篩處理能力時可避免鉆井液的劇烈飛濺現象；可實現在封閉的空間里進行鉆井液的篩分，因而在欠平衡鉆井等新鉆井技術的應用中也可發揮其用武之地。
  15. The prediction of bottomhole pressure is very important during petroleum exploring and drilling. it can provide the support and guarantee for the safe and effective performance of under - balanced drilling

    在石油勘探及鉆井過程中，對井底壓力預測顯得十分重要，它可為欠平衡鉆井的安全和有效實施提供保證。
  16. On the basis of above work, the neural network model of bottomhole pressure during under - balanced drilling is established, including determining network structure by using empirical method, adjusting the network weight using study algorithm

    在此基礎上，建立了欠平衡鉆井井底壓力的神經網路模型，包括用經驗方法確定網路結構，用學習演算法調整網路的權值。
  17. On the basis of having success, such a test for raising penetration rate and reducing comprehensive drilling cost was also carried out in two small diameter holes, and a good result was achieved

    在成功試驗的基礎上，開展了2口提高鉆井速度、降低鉆井綜合成本的小井眼天然氣欠平衡鉆井試驗，取得了較好的應用效果。
  18. In light of the geological features of reservoirs in changqing gas field, the study and test of gas underbalance pressure drilling technology have been carried out in the field

    摘要針對長慶氣田儲層地質特徵，開展了長慶氣田天然氣欠平衡鉆井技術研究及試驗。
  19. This paper is aimed at looking for a method using the theories and technology of artificial neural network to predict the bottomhole pressure of under - balanced wells

    本文旨在尋求一種利用人工神經網路理論與技術，預測欠平衡鉆井井底壓力的方法。
  20. Under - balanced drilling technology is an important research topic in petroleum drilling field. it is strategic to discover and protect hydrocarbon reservoir better

    欠平衡鉆井技術是油田鉆井行業上的重要研究課題，盡快掌握和推廣欠平衡技術是更好地發現油氣藏和保護油氣藏的戰略措施。
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