EP 2800794 A1 20141112 - INVERT DRILLING FLUIDS HAVING ENHANCED RHEOLOGY AND METHODS OF DRILLING BOREHOLES
Title (en)
INVERT DRILLING FLUIDS HAVING ENHANCED RHEOLOGY AND METHODS OF DRILLING BOREHOLES
Title (de)
INVERT-BOHRFLÜSSIGKEITEN MIT VERBESSERTER RHEOLOGIE UND VERFAHREN ZUM BOHREN VON BOHRLÖCHERN
Title (fr)
FLUIDES DE FORAGE À ÉMULSION INVERSE À RHÉOLOGIE AMÉLIORÉE ET PROCÉDÉS DE FORAGE DE PUITS DE FORAGE
Publication
Application
Priority
- US 201213342179 A 20120102
- US 2012072246 W 20121230
Abstract (en)
[origin: WO2013106213A1] An invert emulsion drilling fluid, and a method of drilling with such fluid, having improved rheology at low mud weights and high temperatures. The improved rheology is effected with addition of hydrophobic amines, most preferably dimer diamines.
IPC 8 full level
C09K 8/36 (2006.01)
CPC (source: EP)
C09K 8/36 (2013.01)
Citation (search report)
See references of WO 2013106213A1
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 2013106213 A1 20130718; AU 2012364697 A1 20140731; AU 2012364697 B2 20160421; CA 2862135 A1 20130718; EA 201491109 A1 20141230; EP 2800794 A1 20141112
DOCDB simple family (application)
US 2012072246 W 20121230; AU 2012364697 A 20121230; CA 2862135 A 20121230; EA 201491109 A 20121230; EP 12829221 A 20121230