EP 0699271 A4 19960605 - SAND SCREEN STRUCTURE
Title (en)
SAND SCREEN STRUCTURE
Title (de)
SANDFILTERSTRUKTUR
Title (fr)
STRUCTURE DE FILTRE A SABLE
Publication
Application
Priority
- US 9405720 W 19940517
- US 6590893 A 19930525
- US 22314994 A 19940405
Abstract (en)
[origin: WO9428284A1] A damage resistant sand screen assembly has at least one layer of a sintered porous medium (10, 11, 12), preferably a sintered metal membrane, coaxially disposed about and secured to a perforated core (1). The assembly may also include a woven wire mesh drainage layer (9) disposed between the perforated production tube (1) and the sintered porous medium (10, 11, 12), and a protective covering (13), preferably a woven wire mesh. The assembly is suitable for use in gravel pack (4), or it may be installed outside of agravel pack (4), such as on the end of a production pipe (17) or on a down-hole pump (18).
IPC 1-7
IPC 8 full level
B01D 29/11 (2006.01); B01D 35/26 (2006.01); B01D 39/20 (2006.01); E21B 29/10 (2006.01); E21B 43/08 (2006.01)
CPC (source: EP)
B01D 29/111 (2013.01); B01D 29/21 (2013.01); B01D 29/216 (2013.01); B01D 29/54 (2013.01); B01D 29/58 (2013.01); B01D 35/26 (2013.01); B01D 39/2027 (2013.01); E21B 29/10 (2013.01); E21B 43/082 (2013.01); E21B 43/084 (2013.01); B01D 2201/0407 (2013.01); B01D 2201/188 (2013.01)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 9428284A1
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 9428284 A1 19941208; AU 679081 B2 19970619; AU 7042194 A 19941220; CA 2163754 A1 19941208; CN 1124517 A 19960612; EP 0699271 A1 19960306; EP 0699271 A4 19960605; NO 954746 D0 19951123; NO 954746 L 19951123
DOCDB simple family (application)
US 9405720 W 19940517; AU 7042194 A 19940517; CA 2163754 A 19940517; CN 94192239 A 19940517; EP 94919194 A 19940517; NO 954746 A 19951123