http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104405354-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-24 |
| filingDate | 2014-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104405354-B |
| titleOfInvention | A kind of improved thick oil thermal recovery method and device |
| abstract | The invention discloses a kind of improved heavy crude heat extraction device, including sucker rod, at least two sets independent gas injection devices are provided with sucker rod, gas injection device includes gas injecting pipe, auxiliary fill tube road and sampling conduit, gas injecting pipe top is provided with steam injection valve and fuel-displaced valve, auxiliary fill tube road top is provided with check-valves, is provided with pressure transducer probe, temperature sensor probe and dryness sensor probe in sampling conduit.The invention also discloses steam soak and steam are driven two ways and are organically combined, and recycled by a kind of thickened oil recovery method using above-mentioned heavy crude heat extraction device.The present invention can improve the deficiencies in the prior art, improve the oil yield of whole thickened oil recovery process and reduce cost of winning. |
| priorityDate | 2014-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 16.