EP 0620356 A3 19950719 - Method and device for the cleaning of wellscreens in wells.
Title (en)
Method and device for the cleaning of wellscreens in wells.
Title (de)
Verfahren und Vorrichtung zur Reinigung von Bohrlochfiltern in Flüssigkeitsentnahmebohrungen.
Title (fr)
Méthode et dispositif pour le nettoyage des tubes filtres dans un puit.
Publication
Application
Priority
DE 4311843 A 19930414
Abstract (en)
[origin: EP0620356A2] The invention relates to a process and a device for cleaning well filters in fluid drainage wells. In this device, the cleaning of silting deposits is effected by pressure impulses being produced in the hollow space of the well cylinder by the explosion of a hydrogen/oxygen gas mixture. <IMAGE>
IPC 1-7
IPC 8 full level
E21B 37/02 (2006.01); E21B 37/08 (2006.01)
CPC (source: EP)
E21B 37/02 (2013.01); E21B 37/08 (2013.01)
Citation (search report)
- [A] US 4392529 A 19830712 - BURWELL MAUREL R [US]
- [A] US 2732016 A 19560124
- [A] EP 0450170 A2 19911009 - SPAENE GMBH CHEM TECHN PRODUKT [DE]
Designated contracting state (EPC)
AT FR NL
DOCDB simple family (publication)
EP 0620356 A2 19941019; EP 0620356 A3 19950719; DE 4311843 A1 19941020
DOCDB simple family (application)
EP 94105279 A 19940405; DE 4311843 A 19930414