Nexen Inc. | Date: 2013-06-27
A method to operate a Steam Assisted Gravity Drainage with Oxygen (SAGDOX) process, in a leaky bitumen reservoir, wherein the process includes start-up, growth, decline and shut down phases. The start-up phase includes
Nexen Inc. | Date: 2013-05-14
A process to utilize at least one water lean zone (WLZ) interspersed within a net pay zone in a reservoir and produce bitumen from the reservoir, includes using Steam Assisted Gravity Drainage with Oxygen (SAGDOX) to enhance oil recovery, locating a SAGDOX oxygen injector proximate the WLZ, and removing non-condensable gases.
Nexen Inc. and Siemens AG | Date: 2013-08-05
Nexen Inc. | Date: 2013-05-07
A SAGDOX satellite system for recovering hydrocarbons includes a central SAGDOX site, at least one SAGDOX satellite site, and a pipeline corridor for communication between the central SAGDOX site and the SAGDOX satellite site. The satellite system is designed to recover hydrocarbons using a SAGDOX process at the satellite site and transfer recovered hydrocarbons to the central site.
Nexen Inc. | Date: 2013-05-08
A cyclic remediation process to restore oil recovery from a primary oil production well that has watered off from bottom water encroachment (cone or crest) whereby: