Оригинальное название: black diamond dth hammers

Before delving into calculations, it's key to understand how a mud pump operates. Most modern drilling rigs use either triplex or duplex pumps, which use a series of pistons to create pressure. The fluid is drawn into the pump from a storage tank and pumped down the drill string. After reaching the drill bit, the mud carries cuttings back up to the surface through the annulus (the space between the drill string and the wellbore).


...