http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113372891-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-887 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-512 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-512 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-88 |
| filingDate | 2021-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113372891-B |
| titleOfInvention | A kind of high-strength and high-temperature acid pressure temporary plugging agent and its preparation method and application |
| abstract | The invention relates to the technical field of oilfield water plugging agents, and discloses a high-strength and high-temperature acid pressure temporary plugging agent and a preparation method and application thereof. The high-strength and high-temperature acid pressure temporary plugging agent comprises the following components in parts by weight: 20-45 parts of polyvinyl alcohol; 15-40 parts of polylactic acid; 1-36 parts of inorganic salts; 0.02-0.16 parts of composite plasticizer; silane coupling 0.02-0.3 part of the crosslinking agent; 0.02-0.2 part of the cross-linking agent; 0.1-1 part of the auxiliary modifier. The high-strength and high-temperature acid pressure temporary plugging agent has high bearing strength; controllable dissolution time; good dispersibility during dissolution; high temperature resistance; |
| priorityDate | 2021-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.