In order to fish the electric submersible pump units of the well Bao 1 fall in down hole, base on summing up conventional overshot, the paper develops designing the new type electric submersib.
为打捞出宝1井断裂落井的大直径电潜泵机组,在总结分析传统打捞筒的基础上,设计出了一种新型大直径打捞筒。
On the basis of the fish conditions,an open overshot with slot is developed and the paper expounds in detail the fishing tool's stucture and field application case.
文中针对落鱼情况 ,详细地阐述了开口开窗打捞筒的研制加工、操作和应用情况。
slip socket bowl
卡瓦打捞筒的锥形座
circulating overshot
可循环泥浆的打捞筒
overshot tubing seal divider
打捞筒油管密封分压器
circulating slip socket
可循环泥浆的卡瓦式打捞筒
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 with bow
带碗形卡瓦的打捞 筒
dart-valve bailer
带突板球阀的捞砂筒
To work as a wrecker.
打捞，救助做打捞或恢复失事船只工作
To bring up or catch by such means.
打捞用此方式打捞到或捕到
Foreign businesses can set up with the Chinese party a Chinese-foreign cooperative salvage enterprise.
二)与中方打捞人成立中外合作打捞企业，实施打捞活动。
flush type releasing spear
冲洗型可退式打捞矛
junked and abandoned
打捞失败而报废废弃的
The salvage operation had been a complete failure.
打捞工作彻底失败了。
Valuable raw materials were salvaged .
打捞起许多贵重的原料.
someone who salvages.
一个从事打捞工作的人。
fishingcoring jar
打捞和取心用震击器
Compulsory Measures with respect to Salvage of Shipwrecks or Sunken Object
沉船沉物打捞强制措施
China Marine Savlvage Company
中国海难救助打捞公司