Title:
【発明の名称】油溜めからの油の回収
Document Type and Number:
Japanese Patent JP2955313
Kind Code:
B2
Abstract:
This invention relates to a process for recovery of oil from oil reservoirs with assistance from microorganisms. More particularly, the present invention contemplates a method for recovering oil from a reservoir comprising increasing the population of endogenous microorganisms in said reservoir, said microorganisms having surface active properties, to a level sufficient to effect enhanced oil recovery.
Inventors:
SHIIHAI ARAN
Application Number:
JP50404389A
Publication Date:
October 04, 1999
Filing Date:
April 05, 1989
Export Citation:
Assignee:
BII DABURYU ENU RAIBU OIRU PTY LTD
International Classes:
C09K8/582; C09K8/90; C12N1/00; C12N1/20; E21B43/22; C12S1/00; C12S3/18; (IPC1-7): C12N1/00; C12N1/20; C12S3/18; E21B43/22
Attorney, Agent or Firm:
Aoki Akira (2 outside)