| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_989ecca69fc47fadd546bf9a0db59629 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B21-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B7-046
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B21-01 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B7-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-12 |
| filingDate |
2015-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2019-09-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d7ab8cad85d3fa0be325a377267b392e |
| publicationDate |
2019-09-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-10400153-B2 |
| titleOfInvention |
Drilling fluid for use in horizontal directional drilling operations |
| abstract |
Methods of circulating a drilling fluid while drilling a shallow wellbore that is highly deviated or horizontal. The drilling fluid comprises an aqueous base fluid, iota carrageenan, partially hydrolyzed polyacrylamide, and a divalent cation selected from the group consisting of a calcium ion, a magnesium ion, and any combination thereof. The shallow wellbore that is highly deviated or horizontal is no greater than about 610 meters below an earth surface, and in a range of about 55° to about 125° from a vertical inclination. |
| priorityDate |
2015-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |