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1.1  THE COMPENTS OF THE ROTARY DRILLING RIG鉆機系統(tǒng)的組成
1.1.1  Hoisting System                           提升系統(tǒng)
sub structure                                      井架底座，底部結(jié)構(gòu)
derrick (mask)                                   井架
crown block                                     天車
traveling block                                 游動滑車
wire line (drill line)                          鋼絲繩，鉆井大繩
deadline                                        死繩
air hoist                                          氣壓提升機，氣壓提升絞車
drilling rig (drilling machine)                 鉆機
drawwork                                         絞車
drum                                             滾筒
brake crank (handle, bar)                       剎把
  hydraulic brake                               水剎車
  electric brake                                電磁剎車
  mechanical friction device                    機械磨擦裝置
cathead                                         貓頭
elevator                                        吊卡