patent/CA-2413136-C

Predicate	Object
assignee	http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3819e6a805268abb77392c975e9e489a
classificationCPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-134
classificationIPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-134 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-12
filingDate	2002-11-28^^<http://www.w3.org/2001/XMLSchema#date>
grantDate	2006-06-06^^<http://www.w3.org/2001/XMLSchema#date>
inventor	http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fad5d77422b9aaf82cb323c466707d41
publicationDate	2006-06-06^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber	CA-2413136-C
titleOfInvention	Method and device for sealing boreholes
abstract	A device and method for sealing boreholes. Typically, a seismic test hole is sealed by covering a topping plug with water expansible material, such as bentonite, which seals the hole once it expands on exposure to water or moisture. The present invention provides a method and a device for sealing seismic holes, the device comprising a generally tubular water permeable sleeve filled with water expansible aggregate.
priorityDate	2002-11-28^^<http://www.w3.org/2001/XMLSchema#date>
type	http://data.epo.org/linked-data/def/patent/Publication

Predicate	Subject
isDiscussedBy	http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID962 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419512635 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID11499 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419532347

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