http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102373048-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ddac65606de3b966e6f33acf1f1407c8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d409a5c137990f782f25338ef787cdc |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-06 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-584 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-588 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-588 |
| filingDate | 2010-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81f8f47a19e94af5bb5948093b809cca http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e80113371b7885213a534370b009d72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_69867dbf312d9e31d590ffdc5f30203c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0fcde2e08ccd24cd417ad048705466f7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c509ddf8002f7d29864d0a00c34054a |
| publicationDate | 2013-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102373048-B |
| titleOfInvention | Oil removal method for improving recovery rate of tertiary oil recovery of oil field |
| abstract | The invention relates to an oil removal method for improving the recovery rate of the tertiary oil recovery of an oil field, which mainly solves problems which comprise the bad hydrolytic stability and the low oil removal efficiency and exit in the prior art. A technical scheme, which is characterized in that: the oil removal method for improving the recovery rate of the tertiary oil recovery is utilized to make underground dehydrated crude oil contact with an oil removal composition under water injection conditions that the oil removal temperature is equal to or greater than 75DEG C, the total mineralizing rate is equal to or greater than 20000mg/L, and the total amount of calcium ions and magnesium ions is greater than 500mg/L, and allows the crude oil to be fully removed from core, is adopted to well solve the problems and can be applied to the production of the tertiary oil recovery of the oil field, wherein the oil removal composition comprises 0.01-3.0 wt% of a heatproof salt-resistant copolymer KWKY-PAD, 0.01-5.0 wt% of a fatty alcohol polyoxyethylene ether carboxylate surfactant and 92.0-99.98 wt% of injection water. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104449636-A |
| priorityDate | 2010-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 56.