Development and Application of Basket Barrel Overshot of Breakage Oil Pipe in Water-Oil Well
油水井井下破损油管打捞筒研制与应用
overshot tubing seal divider
打捞筒油管密封分压器
slip socket bowl
卡瓦打捞筒的锥形座
circulating overshot
可循环泥浆的打捞筒
overshot with bow
带碗形卡瓦的打捞 筒
circulating slip socket
可循环泥浆的卡瓦式打捞筒
Oil Pollution Prevention in Wreck Removal of“Neftegaz 67”
浅析“Neftegaz 67”轮打捞工程中的防油污工作
Salvage technology of double sanding in string of well Ze 10-70X
泽10-70X井双层砂卡管柱打捞处理工艺
He punched two holes in the tin of oil, and then poured it out.
他在油筒上打了两个孔，然后把油倒出。
dart-valve bailer
带突板球阀的捞砂筒
Those against the administration of marine salvage;Those against the administration of marine salvage;
违反海难救助管理秩序；违反海上打捞管理秩序；
Tubular diesel pile hammer--Technical conditions
GB/T8516-1987筒式柴油打桩锤技术条件
Diesel pile hammer classification
GB/T8515-1987筒式柴油打桩锤分类
Methods of performance test for tubular diesel pile hammer
GB/T6945-1986筒式柴油打桩锤性能试验方法
Application of Retrievable Safety Valves to Jet Pump Production System
投捞式管内安全阀在水力喷射泵采油中的应用
Changing valve through fishable pipe bridge plug without killing well
利用可捞式油管桥塞不压井更换井口闸门技术
To work as a wrecker.
打捞，救助做打捞或恢复失事船只工作
