http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104312549-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F291-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F261-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F251-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 |
| filingDate | 2014-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104312549-B |
| titleOfInvention | A kind of anti-high concentration CaCl of water-base drilling fluid2Tackifier and preparation method thereof |
| abstract | The present invention relates to a kind of water-base drilling fluids with anti-high concentration CaCl 2 Tackifier and preparation method thereof belong to technical field of oilfield chemistry.Its general structure are as follows: In formula: M is polymerizable polymer；N is polymerisable monomer.Tackifier of the present invention can be in 120 DEG C, CaCl 2 Good thickening property is kept in the aqueous solution that concentration is 25%, is able to solve CaCl 2 The problem of water-based drilling fluid viscosity control ability difference.Raw material of the present invention, solvent safety environmental protection, preparation process economy are simple simultaneously, are easy to industrialize. |
| priorityDate | 2014-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 38.