发明授权
US08978752B2 Electric submersible pump band basket catcher 有权
电动潜水泵带篮捕手

Electric submersible pump band basket catcher
摘要:
A basket catcher for catching debris such as broken metal bands from an oil borehole casing as production tubing is withdrawn. The basket catcher has a collar that includes a series of spring-tensioned blades directed upwardly catch debris as the basket is withdrawn through the casing, preventing the debris from occluding the borehole.
公开/授权文献
信息查询
0/0