Title:
【発明の名称】N.N-ジアルキルアミドを適用して、原油からのアスファルトの沈殿を減少させる方法
Document Type and Number:
Japanese Patent JPH08510481
Kind Code:
A
Abstract:
A method of reducing, preferably preventing, precipitation of asphalt from crude oil. In one aspect, crude oil is contacted in the borehole with at least one N,N-dialkylamide of a fatty acid having 8 to 22 carbon atoms. In an second aspect, precipitation is reduced during miscible flooding in an EOR process by adding to the flooding solvent at least one N,N-dialkylamide of a fatty acid having 8 to 22 carbon atoms.
Inventors:
Lomocchi, julian
Application Number:
JP51809594A
Publication Date:
November 05, 1996
Filing Date:
February 04, 1994
Export Citation:
Assignee:
BUCKMAN LABORATORIES INTERNATIONAL INCORPORATED
International Classes:
C09K8/524; C09K8/58; E21B37/06; E21B43/16; E21B43/22; (IPC1-7): C09K7/00; E21B37/06
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)