基本信息:
- 专利标题： 下抽油杆导流回流装置
- 专利标题（英）：Flow guiding and returning device used during tripping in of sucker rod
- 申请号：CN201610269266.5 申请日：2016-04-27
- 公开(公告)号：CN105804682A 公开(公告)日：2016-07-27
- 发明人： 裴定喜
- 申请人： 北京恩瑞达科技股份有限公司
- 申请人地址： 北京市海淀区学清路8号(科技财富中心B座1106、1106A室)
- 专利权人： 北京恩瑞达科技股份有限公司
- 当前专利权人： 北京恩瑞达科技股份有限公司
- 当前专利权人地址： 北京市海淀区学清路8号(科技财富中心B座1106、1106A室)
- 代理机构： 北京天奇智新知识产权代理有限公司
- 代理人： 陆军
- 主分类号： E21B33/03
- IPC分类号： E21B33/03 ; E21B33/08
The invention discloses a flow low guiding and returning device used during tripping in of a sucker rod. The flow low guiding and returning device comprises a clamp head and a changeable buckle and is characterized in that the clamp head is arranged at the lower end of the changeable buckle, both the clamp head and the changeable buckle are provided with through holes for a drill rod to trip in, the clamp head is provided with a flange clamped into a well mouth steel ring, a flow guiding pipe is arranged on the side of the changeable buckle and is communicated to the internal space of the changeable buckle, the side of the clamp head is provided with an elbow, a funnel is arranged at the top end of the elbow and is located at the lower end of an outlet of the flow guiding pipe so as to guide liquid back to a well.
IPC结构图谱:
| E | 固定建筑物 |
| --E21 | 土层或岩石的钻进；采矿 |
| ----E21B | 土层或岩石的钻进；从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
| ------E21B33/00 | 井眼或井的密封或封隔 |
| --------E21B33/02 | .地面密封或封隔 |
| ----------E21B33/03 | ..井口；其配置 |