Command method for a steerable rotary drilling device
US6948572B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2003 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Mar 18, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a drilling system of the type comprising a rotatable drilling string, a drilling string communication system and a drilling direction control device connected with the drilling string, a method is provided for issuing one or more commands to the drilling direction control device utilizing a changeable first parameter associated with the drilling string and a changeable second parameter associated with the drilling string. The method includes providing at least one first parameter state, providing at least one first parameter event relating to the first parameter state; providing at least one second parameter state, providing at least one second parameter event relating to the second parameter state and issuing at least one command to the drilling direction control device in response to providing at least one of the first parameter event, the second parameter event, the first parameter state and the second parameter state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.