公开(公告)号：US09404344B2

公开(公告)日：2016-08-02

申请号：US14315054

申请日：2014-06-25

Applicant: SHELL OIL COMPANY

Inventor： Stanley Nemec Milam ,  Erik Willem Tegelaar ,  John Justin Freeman ,  Richard B. Taylor

IPC: E21B21/14 ,  E21B37/06 ,  C09K8/524

CPC classification number: E21B37/06 ,  C09K8/524 ,  E21B21/14

Abstract: A method of treating a wellbore penetrating a subterranean formation comprising: providing an asphaltene solvent, wherein the asphaltene solvent comprises at least 75 mol % dimethyl sulfide and introducing the asphaltene solvent into the wellbore.

Abstract translation: 一种处理渗透地下地层的井筒的方法，包括：提供沥青质溶剂，其中沥青质溶剂包含至少75mol％的二甲基硫醚并将沥青质溶剂引入井眼。

公开(公告)号：US09399904B2

公开(公告)日：2016-07-26

申请号：US14305965

申请日：2014-06-16

Applicant: SHELL OIL COMPANY

Inventor： Stanley Nemec Milam ,  Erik Willem Tegelaar ,  John Justin Freeman

IPC: E21B43/24 ,  E21B43/22 ,  E21B43/25

CPC classification number: E21B43/24 ,  E21B43/2408 ,  E21B43/25

Abstract: A system and process for recovering oil from an oil-bearing formation. An oil recovery formulation that is first contact miscible with a liquid petroleum composition that is comprised of at least 15 mol % dimethyl sulfide is introduced together with steam or hot water into a subterranean oil-bearing formation comprising heavy oil, extra heavy oil, or bitumen, and oil is produced from the formation.

Abstract translation: 一种用于从含油地层回收油的系统和方法。 与由至少15mol％的二甲基硫醚组成的液体石油组合物首先接触的油回收制剂与蒸汽或热水一起引入包含重油，超重油或沥青的地下含油地层 ，从地层产生油。