Patent · US Active

Seal section with sand trench

US8246328B1 · kind B1 · utility

2Cited by

6References

12Claims

0Family size

Assignee

GE Oil & Gas ESP, Inc. · US

Inventors

Alan Howell · Oklahoma City, US
Michael Barnes · San Ramon, US
Randy Karbs · Edmond, US
Arcady Royzen · Norman, US

Key dates

Filing date	Jan 8, 2009
Grant date	Aug 21, 2012
Priority date	—
Expiry date	Dec 19, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04B47/06
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A seal section for use with a downhole pumping system includes a rotatable shaft, a seal section head and a mechanical seal chamber inside the seal section head. The mechanical seal chamber is bounded by a floor and a wall. The mechanical seal chamber includes a trench disposed in the floor that is configured to entrap solid particles in the mechanical seal chamber at a distance spaced apart from the mechanical seal.

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