http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2421592-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3aec01c02f32a0c7dbf1b4a9c36d0643 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B21-00 |
| filingDate | 2010-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2011-06-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_589edc135baed621a4c9d1ab657d69ab http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3d093cf7d422c2a6a598e59138446506 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_10aa83e941496abb7aa70f904b57b1ed http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7091bb49c20855811075cf72a9b73e39 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cab4ae844b67c37aab0fc9524da82315 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6390c911936e822cbc3f7720bb181cbf http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_061adf424fdc2aed61baeec25855b1f1 |
| publicationDate | 2011-06-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2421592-C1 |
| titleOfInvention | Procedure for drilling boreholes including horizontal ones under conditions of lost circulation horizons |
| abstract | FIELD: oil and gas production. n SUBSTANCE: borehole is drilled with bottomhole flushing including normal and abnormal with lost circulation horizons. Flushing is performed with drilling agent on water base wherein there is added gelling complex containing polymer and binding agent. Also, as a polymer, gelling complex contains guar gum, and, as a binding agent, it contains titanate. Normal horizons are drilled with a drilling agent wherein there is added a gelling complex at amount of 0.15-0.25 wt % at weight ratio of guar gum and titanate in it as 20÷50:1 correspondingly. Abnormal with lost circulation horizons are drilled with a drilling agent wherein there is added thesaid gelling complex at amount of over 0.25 wt % at weight ratio of guar gum and titanate in it as 7÷30:1 correspondingly. n EFFECT: raised efficiency of borehole drilling process under conditions of lost circulation horizons due to non-stop drilling under operative control over rheological characteristics of drill agent. n 3 cl, 2 tbl |
| priorityDate | 2010-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.