| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_86594f6f2f0cbebe0f958d27a3a4d8fd |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-518 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-518 |
| filingDate |
1989-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1ae7c7b6a931adb1933c9bec1483419a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_603c487b53661da57ae833c8acf57acf |
| publicationDate |
1990-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
FR-2642468-A1 |
| titleOfInvention |
FOAM SYSTEMS FOR SELECTIVELY CLAMPING UNDERGROUND FORMATIONS, ESPECIALLY AROUND PETROLEUM WELLS |
| abstract |
Delayed gel systems are provided which are injected as a foam into selected formations. The choice of a foaming agent either compatible with oil or compatible with water makes it possible to obtain remarkable selectivity of the treatment. Clogging; acid diversion; water control. |
| priorityDate |
1989-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |