E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/08 (2006.01) B01D 35/02 (2006.01)
Patent
CA 2738171
The subject matter of the invention is a separating device for removing sand and rock particles which is suitable as an integral component part of extraction equipment for the extraction of liquids or gases from deep wells, the separating device comprising at least one ceramic filter module (1), the filter module (1) comprising a) an annular stack (6) of brittle-hard annular discs (7), the upper side (16) of which has at least three elevations (8) uniformly distributed over the circular circumference of the discs, the discs (7) being stacked and braced in such a way that a separating gap (9) for the removal of sand and rock particles is present in each case between the individual discs (7), b) a coupling-on element (10) at the upper end and a coupling-on element (11) at the lower end of the annular stack (6), c) a clamping device (14, 15) for the axial bracing of the annular stack (6), d) an outer cage (5) for the mechanical protection of the filter module (1), e) a coupling element (12) at the upper end and a coupling element (13) at the lower end of the filter module (1) for connecting the filter module (1) to further components of the extraction equipment. The subject matter of the invention likewise covers the use of a separating device according to the invention for removing sand and rock particles in a process for extracting liquids or gases from wells drilled in rock or deep wells.
Joly Samuel
Kayser Armin
Muessig Siegfried
Poehling Fabian
Wahrmann Klaus
Esk Ceramics Gmbh & Co. Kg
Kirby Eades Gale Baker
Maersk Olie Og Gas A/s
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