Title:
INTEGRATED INCLINATION GUIDER AND SEPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/252439
Kind Code:
A1
Abstract:
An integrated inclination guider, comprising a base seal body (1), an inclination guide body (2) arranged on the base seal body (1), a windowing milling cone (3) having an inclination guide surface (201), a screw (4) positioned on one side of the inclination guide surface (201) and connecting the inclination guide body (2) and the windowing milling cone (3), a clamping groove (202) being formed on the upper surface of one of the inclination guide surface (201) and windowing milling cone (3), and a protrusion being formed on the upper surface of the other of same, the protrusion (301) being used for clamping into the clamping groove (202). The technical problem of integrated inclination guiders being unable to simultaneously ensure smooth descent down a well and convenient cut-off of the screw during the process of well descent and base sealing is thereby solved.
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Inventors:
NIU SUJIE (CN)
Application Number:
PCT/CN2021/119911
Publication Date:
December 08, 2022
Filing Date:
September 23, 2021
Export Citation:
Assignee:
HEBEI ZHONGRONG PETROLEUM MACHINERY CO LTD (CN)
International Classes:
E21B29/06; E21B7/08
Foreign References:
| CN206571423U | 2017-10-20 | |||
| CN102364029A | 2012-02-29 | |||
| CN104246108A | 2014-12-24 | |||
| US20100012322A1 | 2010-01-21 |
Attorney, Agent or Firm:
SHIJIAZHUANG LINGHAO PATENT AGENCY LIMITED (CN)
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