Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fc50bd9afd8398f804906530628d080b |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2982 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-035 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-34 |
filingDate |
2013-05-08^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2016-05-03^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d841f1efed9887c0eccd7c79813bc35c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_418bc055e4b145318b55a0e242ccc775 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81d01d86afeedc92c3cebd49152d161c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2381711453468a499677fc145c5862b1 |
publicationDate |
2016-05-03^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-9328280-B2 |
titleOfInvention |
Additives for oil-based drilling fluids |
abstract |
An additive for a wellbore treatment fluid comprising a sulfonated asphalt compound comprising particles having a D90 particle size of less than about 215 μm. A wellbore treatment fluid comprising (i) an oleaginous component and (ii) a sulfonated asphalt wherein the sulfonated asphalt comprises particles having a D90 of less than about 215 μm. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10000984-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2015191983-A1 |
priorityDate |
2013-05-08^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |