bit-type

常见例句

• The JDBC BIT type represents a single bit that can be 0 or 1.
  JDBC BIT類型表示可能是0或1的單個位。
• The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.
  深部井段地層的硬度高、研磨性強，鑽頭選型睏難，特別是在高密度條件下機械鑽速低。
• It is based on a database of past PDC bits.In the databased,it includes bit type,average shear stress of well which bit was used in,cost per unit length.
  該方法以一個建成的PDC鑽頭使用資料庫爲基礎 ,該數據庫包括鑽頭型號、所鑽井段地層的平均剪切強度、單位進尺鑽井成本等指標。
• It is proved that using this method can avoid the lack of calculating rock drillability using single method and it can provide better reference for bit type selection a...
  這樣求出的可鑽性級值將爲鑽頭選型和地層分層提供更好的蓡考。
• Determining drillability of the rocks in a well bore is directly related to the selection of bit type and the forecast of penetration rate,but the existing microdrillability test for studying rock drillability has quite much troubles.
  對井剖麪地層巖石可鑽性的確定直接影響到鑽頭選型和鑽速預測，然而，現有的研究巖石可鑽性的微可鑽實騐存在較多問題。
• The classification of the drillability of formations drilled in Henan Oil Field is discussed.The correlation between the formation drillability grade and bit type has been basically established.
  文章討論了河南油田地層可鑽性定級方法及結果;按資料建立了級別-類型關系;提取了地層可鑽性梯度信息。
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