苏联巴什基里亚油田研制了一种最大限度靠近井底的随钻打捞器(见图)。该打捞器由接头1和打捞篮2组成。打捞篮与接头为锥形松配合。该打捞器的零件采用级钢套管和钻铤制作。主要尺寸见表。 随钻打捞器打捞井底金属落物的方式如下: The Bashkirya oilfield in the Soviet Union has developed a deepwater salvage drillers near the bottom of the well (see photo). The salvage consists of a joint 1 and a salvage basket 2. Recycling basket and connector for the pine cone. The parts of the salvager are made of grade steel bushing and drill collar. The main size table. With the salvage salvage bottom metal falling objects way is as follows: