Method for controlling MWD tool in bottom hole assembly
US11225864B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2020 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Jul 11, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for controlling a MWD tool in a bottom hole assembly in a borehole includes the steps of installing a plurality of firmware in the MWD tool, turning a mud pump on an earth surface ON or OFF according to a pre-determined sequence; determining a mud flow in the borehole to be ON or OFF so as to form a binary signal; and sending the binary signal to the MWD tool. The plurality of firmware are pre-programmed to perform a plurality of tasks while the binary signal executes one of the plurality of firmware in the MWD tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.