http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103952128-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-34 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-12 |
| filingDate | 2014-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103952128-B |
| titleOfInvention | It is applicable to the Weak Gels Solid Free water-base drilling fluid of extended reach well, horizontal well |
| abstract | The invention discloses a kind of Weak Gels Solid Free water-base drilling fluid being applicable to extended reach well, horizontal well, being made up of coating agent, flow pattern regulator, fluid loss additive, inhibitor, lubricant, pH adjusting agent, corrosion inhibiter, salt and fresh water, the percentage by weight of each component preparing this Weak Gels Solid Free water-base drilling fluid is: coating agent: 0.5%～1%；Flow pattern regulator: 0.5～1%；Fluid loss additive: 2%～6%；Inhibitor: 0.5%～1%；Lubricant: 1%～6%；PH adjusting agent: 0.2%～1%；Corrosion inhibiter: 0.2%～0.5%；Salt: 5%～40%, surplus is water.The invention also discloses its preparation method.Under this Weak Gels Solid Free water-base drilling fluid low shear rate, viscosity is high, temperature resistance is good and has relatively strong rejection capability and lubricity. |
| priorityDate | 2014-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 54.