出典:Wiktionary
出典:『Wiktionary』 (2024/11/01 19:06 UTC 版)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/03 11:41 UTC 版)
A mud pump is a reciprocating piston/plunger device designed to circulate drilling fluid under high pressure (up to 7,500 psi (52,000 kPa) ) down the drill string and back up the annulus.