EP 2339112 A1 20110629 - Inflow control in a production casing
Title (en)
Inflow control in a production casing
Title (de)
Zuflusssteuerung in einer Förderrohrtour
Title (fr)
Contrôle de débit d'entrée dans un boîtier de production
Publication
Application
Priority
EP 09180568 A 20091223
Abstract (en)
The present invention relates to a downhole artificial lifting system (100) for introducing fluid into a production casing (4) from an annulus outside the production casing. The production casing has a casing wall (102) with a wall thickness, and the system comprises the production casing which at a first part (107) is surrounded by an intermediate casing (18) creating the annulus which is downwardly closed, and a fluid delivering means (108) pumping fluid into the annulus. The invention also relates to a tool and a method.
IPC 8 full level
E21B 43/12 (2006.01)
CPC (source: EP US)
E21B 43/123 (2013.01 - EP US)
Citation (search report)
- [X] US 3342202 A 19670919 - MCMURRY EVERETT D, et al
- [A] US 2003024704 A1 20030206 - HIRSCH JOHN M [US], et al
- [A] US 2307016 A 19430105 - ALEXANDER BOYNTON
- [A] WO 0075484 A1 20001214 - SCHLUMBERGER TECHNOLOGY CORP [US]
- [A] WO 8404942 A1 19841220 - TUNG GEOTEKNISK BORRNING [SE]
- [A] US 3077894 A 19630219 - CUMMINGS LESLIE L
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 09180568 A 20091223