http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111662194-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-12 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C217-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C213-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-035 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C213-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C217-08 |
| filingDate | 2020-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111662194-B |
| titleOfInvention | Environment-friendly ether amine shale inhibitor and water-based drilling fluid thereof |
| abstract | The invention discloses an environment-friendly ether amine shale inhibitor and a water-based drilling fluid thereof, belonging to the technical field of oil and gas field drilling fluids. The shale inhibitor is prepared by taking a ketone compound and an amine compound containing ether bonds as raw materials to react. The shale inhibitor and the water-based drilling fluid provided by the invention have better shale inhibition and clay stability. The ether amine shale inhibitor prepared by the method provided by the invention has better environmental protection performance. The preparation method provided by the invention is simple, the synthetic raw materials are easy to obtain, and the method is suitable for industrial production. The ether amine shale inhibitor provided by the invention can be directly added into water-based drilling fluid, can be used for hydration expansion of a mud shale stratum with strong water sensitivity, obviously reduces the shale expansion rate, prevents borehole wall collapse, hole shrinkage and the like, stabilizes the borehole wall and reduces the occurrence of complex conditions in the borehole. |
| priorityDate | 2020-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.