Patent · US Expired

Method of recovering petroleum and bitumen from subterranean reservoirs

US4252191A · kind A · utility

295Cited by

0References

7Claims

0Family size

Assignee

Deutsche Texaco Aktiengesellschaft · DE

Inventors

Gunter Pusch · Neckargemünd, DE
Karl-Heinz Gaida · Winsen (Aller), DE

Key dates

Filing date	Dec 13, 1979
Grant date	Feb 24, 1981
Priority date	—
Expiry date	Dec 13, 1999

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/243
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A method of recovering petroleum from an underground reservoir by employing an in-situ combustion at a pressure of at least 120 bar by the simultaneous injection of oxygen and water whereby the temperature is controlled in the range of 450.degree.-550.degree. C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.