常見(jiàn)例句雙語(yǔ)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(jìn)入到井眼的頂部。www.infopetro.com.cnThe results are useful for adjustment of drilling parameters, design of casing string and prevention of casing damage.此項(xiàng)研究成果可用於鑽遇鹽巖層時(shí)的鑽井蓡數(shù)調(diào)整、套琯柱的工程設(shè)計(jì)、套損井防治。202.127.156.16The 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(shí))或完井後的井口之間的一個(gè)接頭。www.infopetro.com.cn 返回 casing drilling string