http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011190171-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8cac4ca8509c3ca45aca9a0274628c6e |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2208-12 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-06 |
| filingDate | 2011-04-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ff9a3e3a9f043bf0786cfd4d5fa9ea8c |
| publicationDate | 2011-08-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2011190171-A1 |
| titleOfInvention | Low toxicity shale hydration inhibition agent and method of use |
| abstract | A low toxicity composition and method of reducing the swelling of clay in well comprising circulating in the well a water-based fluid comprising a functionally effective concentration of the additive formed from the following reaction of a tertiary amine of the following general formula: n n n n n n n n n n wherein R 1 and R 2 are alkyl or hydroxyalkyl groups with one to three carbon atoms or combinations thereof, and R 3 is a hydroxyalkyl group with one to three carbon atoms, with an alkylating agent of the following general formula: n R-A n wherein R is an alkyl radical with one to three carbon atoms, and A is an organic or inorganic anion selected from the group consisting of sulfate, phosphate, carbonate, and combinations thereof. |
| priorityDate | 2007-03-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 99.