公开(公告)号：US20170241250A1

公开(公告)日：2017-08-24

申请号：US15115293

申请日：2015-03-18

Applicant: Dow Global Technologies LLC

Inventor： Harpreet Singh ,  Naoko Akiya ,  Wu Chen ,  Paul A. Gillis ,  Abu Mokhtarul Hassan ,  Zubin B. Kuvadia ,  Biplab Mukherjee ,  Jorge H. Pazmino ,  Defne Kayrak Talay

IPC: E21B43/24 ,  C09K8/584 ,  C09K8/592

CPC classification number: E21B43/2408 ,  C09K8/584 ,  C09K8/592

Abstract: The present invention relates to an in situ staged steam extraction method for removing petroleum products from a heavy oil or bitumen reservoir from subterranean locations. Specifically, each injection stage comprises a different steam composition. A steam composition may consist essentially of steam or may comprise one or more enhanced oil recovery agent.

公开(公告)号：US10400564B2

公开(公告)日：2019-09-03

申请号：US15115293

申请日：2015-03-18

Applicant: Dow Global Technologies LLC

Inventor： Harpreet Singh ,  Naoko Akiya ,  Wu Chen ,  Paul A. Gillis ,  Abu Mokhtarul Hassan ,  Zubin B. Kuvadia ,  Biplab Mukherjee ,  Jorge H. Pazmino ,  Defne Kayrak Talay

IPC: C09K8/584 ,  C09K8/592 ,  E21B43/24

Abstract: The present invention relates to an in situ staged steam extraction method for removing petroleum products from a heavy oil or bitumen reservoir from subterranean locations. Specifically, each injection stage comprises a different steam composition. A steam composition may consist essentially of steam or may comprise one or more enhanced oil recovery agent.