EP 0562301 A1 19930929 - Configuration method for water wells.
Title (en)
Configuration method for water wells.
Title (de)
Verfahren zur Ausgestaltung von Brunnenbereichen.
Title (fr)
Méthode de configuration des puits d'eau.
Publication
Application
Priority
DE 4209329 A 19920323
Abstract (en)
With the method, surrounding areas at liquid-extracting or liquid-feeding points in well boreholes are flushed clear and are thus freed from mud in order to prolong the operating period of a well system. <IMAGE>
Abstract (de)
Mit dem Verfahren werden in Brunnenbohrungen an Flüssigkeitsentnahme- oder -einleitungsstellen Umgebungsbereiche freigespült und damit zur Erhöhung der Betriebsdauer einer Brunnenanlage entschlammt. <IMAGE>
IPC 1-7
IPC 8 full level
E03B 3/15 (2006.01); E21B 37/00 (2006.01); E21B 43/00 (2006.01); E21B 43/14 (2006.01); E21B 43/30 (2006.01)
CPC (source: EP US)
E03B 3/15 (2013.01 - EP US); E21B 37/00 (2013.01 - EP US); E21B 43/14 (2013.01 - EP US); E21B 43/30 (2013.01 - EP US)
Citation (search report)
- [A] US 4254831 A 19810310 - NUZMAN CARL E
- [A] DE 71479 C
- [A] US 4669542 A 19870602 - VENKATESAN VALAD [US]
- [A] SOVIET INVENTIONS ILLUSTRATED Week 9306, Derwent Publications Ltd., London, GB; AN 93-051797 & SU-A-1 719 563 (OSTROVSKII)
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
US 5322128 A 19940621; AT E137562 T1 19960515; DE 59302417 D1 19960605; EP 0562301 A1 19930929; EP 0562301 B1 19960501
DOCDB simple family (application)
US 3313893 A 19930318; AT 93103167 T 19930227; DE 59302417 T 19930227; EP 93103167 A 19930227