The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 04, 2014

Filed:

Mar. 31, 2010
Applicants:

Stefanie Wildhack, Kempten, DE;

Armin Kayser, Buchenberg, DE;

Samuel Joly, Durach, DE;

Siegfried Müssig, Copenhagen, DK;

Klaus Wahrmann, Sprockhövel, DE;

Fabian Pöhling, Bochum, DE;

Inventors:

Stefanie Wildhack, Kempten, DE;

Armin Kayser, Buchenberg, DE;

Samuel Joly, Durach, DE;

Siegfried Müssig, Copenhagen, DK;

Klaus Wahrmann, Sprockhövel, DE;

Fabian Pöhling, Bochum, DE;

Assignees:

ESK Ceramics GmbH & Co. KG, Kempten, DE;

Maersk Olie Og Gas AS, Copenhagen K, DK;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A separating device for removing sand and rock particles, and is an integral component of extraction equipment for extraction of liquids or gases from deep wells, having at least one ceramic filter module comprising: an annular stack of annular discs, the upper side of which has at least three elevations uniformly distributed over the circumference of the discs, the discs are stacked such that a separating gap for the removal of sand and rock particles is present between the individual discs, a coupling-on element at the upper end and a coupling-on element at the lower end of the annular stack, a clamping device bracing the annular stack, an outer cage, a coupling element at the upper end and a coupling element at the lower end of the filter module connecting the filter module to further components of the extraction equipment.


Find Patent Forward Citations

Loading…