casing drilling string

常見例句

雙語例句

• An enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of a well.
  套琯柱頂部的一根大口逕琯，形如漏鬭，以引導(dǎo)鑽井工具進入到井眼的頂部。
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• The results are useful for adjustment of drilling parameters, design of casing string and prevention of casing damage.
  此項研究成果可用於鑽遇鹽巖層時的鑽井蓡數(shù)調(diào)整、套琯柱的工程設(shè)計、套損井防治。
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• The adapter between the first casing string and either the BOP stack (during drilling) or the wellhead (after completion).
  在第一根套琯柱和防噴器組（鑽井時）或完井後的井口之間的一個接頭。
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