Invention Grant
- Patent Title: Hydrocarbon recovery with steam and solvent stages
-
Application No.: US14080320Application Date: 2013-11-14
-
Publication No.: US11370958B2Publication Date: 2022-06-28
- Inventor: Arelys Y. Salazar Hernandez , Tawfik N. Nasr
- Applicant: CONOCOPHILLIPS COMPANY
- Applicant Address: US TX Houston
- Assignee: CONOCOPHILLIPS COMPANY
- Current Assignee: CONOCOPHILLIPS COMPANY
- Current Assignee Address: US TX Houston
- Agency: Boulware & Valoir
- Agent Tamsen Valoir
- Main IPC: E21B43/26
- IPC: E21B43/26 ; E21B43/08 ; C09K8/58 ; C09K8/592 ; E21B43/24
Abstract:
A steam-assisted gravity drainage method includes a two stage solvent injection scheme, wherein steam plus solvent injection is followed by steam plus heavier-solvent injection. The two solvent injections improve recoveries of both the heavy oil and the injected solvent while limiting steam requirements, thus improving the economics of the method.
Public/Granted literature
- US20140144627A1 HYDROCARBON RECOVERY WITH STEAM AND SOLVENT STAGES Public/Granted day:2014-05-29
Information query
