http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103510893-B
Outgoing Links
Predicate | Object |
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classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B21-08 |
filingDate | 2012-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2016-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationDate | 2016-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CN-103510893-B |
titleOfInvention | A kind of drilling equipment utilizing traffic monitoring to realize bottom pressure control and method |
abstract | The invention discloses a kind of drilling equipment utilizing traffic monitoring to realize bottom pressure control and method.Described drilling equipment includes: mud pump inlet Flow Measuring System, backpressure pump inlet flow rate measures system, drilling fluid return flow measures system, automatic throttle manifold system, and swivel control head, liquid-gas separator, vibrosieve, the import of described mud pump inlet Flow Measuring System has pipeline to be connected to slurry tank, the outlet of mud pump inlet Flow Measuring System has pipeline to be connected to drilling rod, is communicated with the suction line of automatic throttle manifold system and the outlet line of backpressure pump inlet flow rate measurement system from bore hole annulus to swivel control head by drill bit bottom drilling rod;Backpressure pump inlet flow rate measures system has pipeline to be connected to slurry tank;The entrance that the outlet of automatic throttle manifold system has pipeline to measure system with drilling fluid return flow is connected;Drilling fluid return flow measures the outlet of system has pipeline to be connected with the entrance of liquid-gas separator;Liquid-gas separator You Liangtiao branch.The present invention can effectively control or eliminate the baneful influence that shaft bottom is missed or drilling well is caused by overflow. |
priorityDate | 2012-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 13.