Patent · US Active

Rotary steerable tool employing a timed connection

US8550186B2 · kind B2 · utility

6Cited by

36References

14Claims

0Family size

Assignee

SMITH INTERNATIONAL, INC. · US

Inventors

Neelesh Deolalikar · Houston, US
Pralay Das · Sugar Land, US

Key dates

Filing date	Jan 8, 2010
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Aug 23, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B7/06
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A downhole steering tool includes distinct hydraulic and electronics modules deployed about a shaft. The hydraulics module includes a plurality of hydraulically actuated blades. The electronics module includes electronic circuitry configured to control blade actuation. The hydraulics and electronics modules are physically and electrically connected to one another via a timed connection.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.