http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108119090-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2201-011 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2312-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-2296 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2205-035 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L9-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-124 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29C35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-129 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L25-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-129 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L1-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L83-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L9-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-124 |
| filingDate | 2017-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-04-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-04-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108119090-B |
| titleOfInvention | Compression type slip releasing packer |
| abstract | The invention discloses a compression type slip releasing packer which comprises an upper packer joint, a hydraulic cylinder sleeve, a piston sliding cavity, a lower packer joint and a return spring, wherein the hydraulic cylinder sleeve is connected to the outer side wall of the bottom end of the upper packer joint in a threaded manner, a ball seat pipe is connected to the inner side wall of one side, away from the hydraulic cylinder sleeve, of the upper packer joint in a threaded manner, a bottom sealing seat pin is arranged on the inner side wall of the piston sliding cavity, a fishing pipe is arranged inside the piston sliding cavity below a piston support plate, a middle through pipe is arranged on the inner side of the ball seat pipe, a spherical adjusting body is arranged at the central position inside the middle through pipe, a rubber cylinder shaft is arranged at the bottom end of the hydraulic cylinder sleeve, a slip supporting sleeve is arranged at the bottom end of a locking block. The invention not only improves the high efficiency of the packer in use, realizes the control function of the flow of the packer, but also avoids the phenomenon of slipping of the packer in use. |
| priorityDate | 2017-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID426098963 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID6327141 |
Total number of triples: 30.