http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105419752-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-08 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-206 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08H8-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08H8-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-20 |
| filingDate | 2015-12-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105419752-B |
| titleOfInvention | A kind of slurry process method that water-base drilling fluid fluid loss additive is prepared using anaerobic fermentation biogas residue |
| abstract | The present invention relates to a kind of oil field drilling fluids environmentally friendly fluid loss additive and its production and use, the raw material composition of the fluid loss additive includes：Natural polymer mixture biogas residue, natural plant fibre, basifier, organic solvent, etherifying agent, antioxidant, and crosslinking agent.Fluid loss additive prepared in accordance with the present invention has good heat and salinity tolerance ability, and cheap, production with it is environment-friendly during use, can be efficiently applied in fresh water, salt solution and compound salt-water drilling fluid system. |
| priorityDate | 2015-12-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 59.