Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8cac4ca8509c3ca45aca9a0274628c6e |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B20-1022 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-424 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-48 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-16 |
filingDate |
2008-09-08^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f0f417700b0edc0b8075311e9e8125d7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f68c19823a75215a239271972708a60a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ac17f53b5d3069e5f766f0e40cf2c62a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_142d21166cb71038eeebedab8e4d1565 |
publicationDate |
2009-03-19^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-2009071649-A1 |
titleOfInvention |
Wellbore fluids for cement displacement operations |
abstract |
A method of cementing a pipe into a wellbore filled with a drilling fluid that includes displacing the drilling fluid with the displacement fluid which includes a base fluid, a micronized weighting agent; suspending a pipe in the wellbore; and pumping cement into the wellbore to substantially fill the annulus formed between the outer surface of the pipe and the wellbore is disclosed. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8252729-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010018205-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2474610-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2019103992-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009186781-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10851618-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009192052-A1 |
priorityDate |
1996-07-24^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |