EP 3310875 A1 20180425 - ETHOXYLATED DESORBING AGENTS FOR ENHANCED OIL RECOVERY
Title (en)
ETHOXYLATED DESORBING AGENTS FOR ENHANCED OIL RECOVERY
Title (de)
ETHOXYLIERTE DESORPTIONSMITTEL ZUR ERHÖHTEN ÖLGEWINNUNG
Title (fr)
AGENTS DESORBANTS ETHOXYLES POUR LA RECUPERATION ASSISTEE DU PETROLE
Publication
Application
Priority
- FR 1501273 A 20150618
- EP 2016063997 W 20160617
Abstract (en)
[origin: WO2016202975A1] The invention relates to the use of at least one compound having the following formula: R-O-(-CH2-CH(-CH3)-0-)m-(-CH2-CH2-0-)n-H, where: R is a hydrocarbon group including 6 to 40 carbon atoms, m is a number from 0 to 20, and n is a number higher than 20, for inhibiting the phenomena of retention of anionic surfactants inside an oil reservoir, in particular inside a carbonated or argillaceous reservoir.
IPC 8 full level
C09K 8/584 (2006.01); C11D 1/66 (2006.01)
CPC (source: EP RU US)
C09K 8/584 (2013.01 - EP RU US); E21B 43/16 (2013.01 - RU); C09K 8/524 (2013.01 - EP US); E21B 43/16 (2013.01 - US)
Citation (search report)
See references of WO 2016202975A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2016202975 A1 20161222; CA 2987218 A1 20161222; EP 3310875 A1 20180425; FR 3037595 A1 20161223; FR 3037595 B1 20170623; RU 2018101696 A 20190718; RU 2018101696 A3 20190724; RU 2709261 C2 20191217; US 10563116 B2 20200218; US 2018171212 A1 20180621
DOCDB simple family (application)
EP 2016063997 W 20160617; CA 2987218 A 20160617; EP 16733337 A 20160617; FR 1501273 A 20150618; RU 2018101696 A 20160617; US 201615737554 A 20160617