EP 1836272 A2 20070926 - EMULSIFIER-FREE WELLBORE FLUID
Title (en)
EMULSIFIER-FREE WELLBORE FLUID
Title (de)
EMULGATORFREIER BOHRSCHLAMM
Title (fr)
LIQUIDE DE PUITS DE FORAGE EXEMPT D'ÉMULSIFIANT
Publication
Application
Priority
- GB 2005004504 W 20051123
- GB 0425679 A 20041123
Abstract (en)
[origin: WO2006056774A2] A wellbore fluid is described having a continuous non-aqueous phase and inorganic particles wherein said particles are coated with essentially permanently adsorbed amphiphilic molecules causing a lipophilic behavior of said particles under operating conditions.
IPC 8 full level
C09K 8/36 (2006.01)
CPC (source: EP GB)
C09K 8/32 (2013.01 - GB); C09K 8/34 (2013.01 - GB); C09K 8/36 (2013.01 - EP); C09K 8/48 (2013.01 - GB); C09K 8/516 (2013.01 - GB); C09K 8/588 (2013.01 - GB); C09K 2208/18 (2013.01 - EP)
Citation (search report)
See references of WO 2006056774A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006056774 A2 20060601; WO 2006056774 A3 20060810; CA 2588667 A1 20060601; EA 200701135 A1 20071228; EP 1836272 A2 20070926; GB 0425679 D0 20041222; GB 2421038 A 20060614; GB 2421038 B 20061101; MX 2007006193 A 20070803; NO 20072757 L 20070820
DOCDB simple family (application)
GB 2005004504 W 20051123; CA 2588667 A 20051123; EA 200701135 A 20051123; EP 05807816 A 20051123; GB 0425679 A 20041123; MX 2007006193 A 20051123; NO 20072757 A 20070530