| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_be2258efa1dd0212d91e87b0487f4ede |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F11-141
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F11-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-54
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-78 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23F11-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23F11-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-54 |
| filingDate |
2005-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_95b1046a64f90dc7eb71346ebb8a548d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a97c54d3c50180254f1a38478f4bdd8d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0be0413180558c61b46ee2e7e674d801 |
| publicationDate |
2007-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1799963-A1 |
| titleOfInvention |
Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil |
| abstract |
Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil are disclosed. An aqueous acid solution of the invention comprises water, hydrochloric acid, a cationic hydrochloric acid corrosion inhibitor and a conjugate ion pair of a cationic amine oxide surfactant and an anionic surfactant that does not react with the cationic hydrochloric acid corrosion inhibitor. |
| priorityDate |
2004-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |