Patent · US Active

Seal flow and pressure control

US10570702B2 · kind B2 · utility

0Cited by

3References

13Claims

0Family size

Assignee

SCHLUMBERGER TECHNOLOGY CORPORATION · US

Inventors

Vianney Rubio · Sugar Land, US
Andrew Parry · Clamart, FR

Key dates

Filing date	Oct 10, 2016
Grant date	Feb 25, 2020
Priority date	—
Expiry date	Nov 8, 2036

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B47/18
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Apparatus and methods for decreasing pressure of drilling fluid within a region between an impeller and a housing of a power generation module (PGM). The apparatus comprises a shaft extending from and rotatable relative to the housing; The impeller is coupled with the shaft external to the housing and includes a group of blades that rotate the impeller as the drilling fluid flows past the PGM. The impeller further includes another group of blades that decrease the pressure of the drilling fluid within the region between the impeller and the housing when the impeller is rotating.

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