| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02W30-91
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P40-10 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B7-153
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-13
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B28-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-13
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B7-153 |
| filingDate |
1995-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0134390bd1620fd99ec7501bb2806608
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b4fdc6d122e44a8a7c282007422d3dd8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_24f50a5ca6b1e06868db9178b863f42c |
| publicationDate |
1996-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
OA-10178-A |
| titleOfInvention |
Method for drilling and cementing a well |
| abstract |
A cementitious slurry containing blast furnace slag and a surfactant is utilized to displace an oil based drilling fluid without causing contamination by the blast furnace slag cement. In a specific embodiment, a cementitious slurry comprising blast furnace slag, a surfactant and water is used in the cementing of an annulus surrounding a casing or liner wherein a synthetic oil-containing drilling fluid is present. |
| priorityDate |
1993-02-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |