http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103965854-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-584 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-584 |
| filingDate | 2013-02-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103965854-B |
| titleOfInvention | Negative and positive system surfactant and preparation method available for low-permeability oil deposit |
| abstract | The present invention relates to a kind of negative and positive system surfactant and preparation method available for low-permeability oil deposit, the problem of surfactant Presence of an interface activity that mainly solves mainly to constitute as low-permeability oil deposit oil displacement agent system in the prior art is low, heat resistance is poor, displacement efficiency is low.The present invention is by using anionic and nonionic surfactant and cationic surfactant with mol ratio 1:（0.01~0.99）The negative and positive system surfactant and the technical scheme of preparation method of formation, preferably solve the problem, available in the tertiary oil recovery production in oil field. |
| priorityDate | 2013-02-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 92.