EP 2209868 A1 20100728 - HIGH TEMPERATURE AQUEOUS-BASED ZIRCONIUM FRACTURING FLUID AND USE
Title (en)
HIGH TEMPERATURE AQUEOUS-BASED ZIRCONIUM FRACTURING FLUID AND USE
Title (de)
WÄSSRIGE ZIRKONIUM-HOCHTEMPERATUR-FRACTURING-FLUID UND VERWENDUNG
Title (fr)
LIQUIDE DE FRACTURATION AQUEUX AU ZIRCONIUM DE HAUTE TEMPÉRATURE ET SON UTILISATION
Publication
Application
Priority
- US 2008082024 W 20081031
- US 160307 P 20071102
Abstract (en)
[origin: US2009114390A1] A fracturing fluid or crosslinking composition suitable for use at high temperature (275-340° F., 135-171° C.) comprising (a) an aqueous liquid, (b) brine, (c) a thermal stabilizer, (d) a non-delaying alkaline buffer sufficient to provide a pH less than 9, (e) an organic acid, (f) hydroxypropyl guar and (g) a zirconium crosslinking agent. The composition is useful as a fracturing fluid in oil field applications, for example, for hydraulically fracturing a subterranean formation or selectively plugging a permeable zone or leak in a subterranean formation.
IPC 8 full level
C09K 8/512 (2006.01); C09K 8/60 (2006.01); C09K 8/68 (2006.01)
CPC (source: EP US)
C09K 8/512 (2013.01 - EP US); C09K 8/685 (2013.01 - EP US); C09K 8/887 (2013.01 - EP US)
Citation (search report)
See references of WO 2009059160A1
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 MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
US 2009114390 A1 20090507; CA 2704542 A1 20090507; CN 101896573 A 20101124; EP 2209868 A1 20100728; MX 2010004912 A 20100514; RU 2010122306 A 20111210; WO 2009059160 A1 20090507
DOCDB simple family (application)
US 26266508 A 20081031; CA 2704542 A 20081031; CN 200880120890 A 20081031; EP 08845191 A 20081031; MX 2010004912 A 20081031; RU 2010122306 A 20081031; US 2008082024 W 20081031