Field operation shows that, by using the hydrodynamic propulsor, not only the penetration rate is increased, the vibration of the bit and drill stem is reduced as well, thereby the service life of the bit is extended.
英
美
- 1995-1998年井下液力推進(jìn)器在大港油田等地區不同區塊20余口井上施工的實(shí)踐證明，使用這種推進(jìn)器不但可以提高機械鉆速，而且減輕了鉆頭和鉆桿的振動(dòng)，進(jìn)而延長(cháng)了鉆頭壽命。
