Horizontal-to-vertical drilling module for deep well
US11028658B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 25, 2019 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Mar 25, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A horizontal-to-vertical drilling module for a deep well includes a fixed plate (1) provided with a first guide hole having a turning section (11), a core breaking section (13) and a moving section (12); a movable plate (2) movably mounted on one side of the fixed plate and provided with a second guide hole having a turning driving section (21), a core breaking driving section (23) and a moving driving section (22), the projection of the first guide hole on the movable plate intersecting with the second guide hole; a coring module (3) positioned at the other side of the fixed plate and provided with a moving column (31) on the side facing the fixed plate; and a moving slider (4) having an open groove (41), the moving slider being installed in the first guide hole and rotatably connected to the coring module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.