時(shí)間:2018/3/5 18:38:37訪問(wèn):
鉆深計(jì)算
S 加壓系統(tǒng)行程 stroke of crowd system H 動(dòng)力頭離地高度 height of rotary drive above ground level W 鉆頭高度 height of tool B 鉆桿全伸長(zhǎng)度 未鎖定 length of kelly bar fully extended, unlocked B1 鉆桿全伸長(zhǎng)度 已鎖定 length of kelly bar fully extended, locked T 鉆孔深度 drilling depth T = B + W – H 最大深度 鉆桿未鎖定 max. depth unlocked kelly bar T = B1 + W – H 最大深度 鉆桿已鎖定 max. depth, locked kelly bar |
外形尺寸和鉆桿型號(hào)說(shuō)明