EP 2904194 B1 20180425 - APPARATUS AND METHODS FOR USE WITH DRILLING FLUIDS
Title (en)
APPARATUS AND METHODS FOR USE WITH DRILLING FLUIDS
Title (de)
VORRICHTUNG UND VERFAHREN ZUR VERWENDUNG MIT BOHRFLÜSSIGKEITEN
Title (fr)
APPAREIL ET PROCÉDÉS À UTILISER AVEC DES FLUIDES DE FORAGE
Publication
Application
Priority
- GB 201214444 A 20120813
- GB 2013052072 W 20130802
Abstract (en)
[origin: WO2014027178A2] A method for facilitating a downhole cutting operation comprises providing a drilling fluid conditioning device in a surface portion of a tubular string providing mounting for a cutting tool on a downhole portion of the string. Initially, drilling fluid is circulated through the conditioning device and the tubular string to condition the drilling fluid. The drilling fluid conditioning device is then removed from the string and the conditioned drilling fluid circulated through the tubular string and the cutting tool.
IPC 8 full level
E21B 41/00 (2006.01); E21B 21/06 (2006.01)
CPC (source: EP US)
E21B 21/002 (2013.01 - US); E21B 21/062 (2013.01 - EP US); E21B 21/10 (2013.01 - US); E21B 41/0078 (2013.01 - EP US)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2014027178 A2 20140220; WO 2014027178 A3 20141113; CA 2880883 A1 20140220; EP 2904194 A2 20150812; EP 2904194 B1 20180425; GB 201214444 D0 20120926; US 2015204150 A1 20150723
DOCDB simple family (application)
GB 2013052072 W 20130802; CA 2880883 A 20130802; EP 13748088 A 20130802; GB 201214444 A 20120813; US 201314420804 A 20130802