Patent · US Active

Method for controlling MWD tool in bottom hole assembly

US11225864B2 · kind B2 · utility

0Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2020
Grant dateJan 18, 2022
Priority date
Expiry dateJul 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.