| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fd160b48bd4cc483cafd142249836250 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-845
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-572
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-162
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-243 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-243
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-24 |
| filingDate |
1991-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3cf2c6036a9e0a3bc52992c37efef41d |
| publicationDate |
1992-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2056856-A1 |
| titleOfInvention |
Steam injection profile control agent and process |
| abstract |
F-5960-L(PAC) ABSTRACT A method for controlling the profile of a formation where temperatures higher than 400 degrees F are encountered. An aqueous solution of potassium silicate is injected into a zone of greater permeability in a formation. Afterwards, an alcoholic solution of hydrated calcium chloride is injected into the greater permeability zone. Calcium silicate is formed in-situ thereby substantially reducing the permeability of the higher permeability zone. Thereafter, a steam-flooding or fire-flooding operation is commenced in a lower permeability zone. |
| priorityDate |
1990-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |