公开(公告)号：US09732267B2

公开(公告)日：2017-08-15

申请号：US14881650

申请日：2015-10-13

Applicant: SHELL OIL COMPANY

Inventor： Julian Richard Barnes ,  Marten Adriaan Buijse ,  Marinus Cornelis Hendrikus Grutters ,  Robert Moene ,  Reinaldo Conrado Navarrete ,  Thomas Carl Semple ,  Andrew Granja Shepherd

IPC: C09K8/584

CPC classification number: C09K8/584

Abstract: A hydrocarbon recovery composition which comprises a first blend of C24-28 internal olefin sulfonates and an injectable fluid composition comprising the hydrocarbon recovery composition, water and/or brine wherein the hydrocarbon recovery composition is present in an amount of from 0.05 to 1.0 wt % of the total injectable fluid composition can be used for enhanced hydrocarbon recovery from a formation.