System and methodology utilizing conductor sharing offset shoe
US10941622B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2019 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Jan 23, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/047
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A technique facilitates drilling operations by combining a conductor with a conductor sharing offset shoe system. The conductor sharing offset shoe system protects against collision of boreholes by properly positioning and/or orienting a drill string during drilling of boreholes through the conductor. The conductor sharing offset shoe system may comprise a bullnose disposed at a lower end of the shoe system and an upper guide member disposed at an upper end of the shoe system with a guide opening sized to receive the drill string therethrough. A guide tubing extends from the guide opening into the bullnose to guide the drill string during drilling of a borehole. The guide tubing is sized to preserve sufficient space for accommodating movement of the drill string through the conductor sharing offset shoe system externally of the guide tubing during drilling of another borehole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.