http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106150466-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-346 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-168 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B33-134 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-011 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-013 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/E21B43-166 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-134 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F222-38 |
| filingDate | 2016-08-23^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-11-27^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-11-27^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106150466-B |
| titleOfInvention | The thick oil thermal recovery method of gel foam inhibition bottom water coning |
| abstract | The invention discloses the thick oil thermal recovery methods that a kind of gel foam inhibits bottom water coning, belong to oilfield exploitation and technical field of oilfield chemistry.This approach includes the following steps：1) when producing well period comprehensive water cut is greater than 90%, nitrogen is injected into producing well, forms preposition nitrogen slug；2) continue the mixed system for injecting nitrogen and gel foam agent solution into producing well, form nitrogen-gel foam main body slug；3) nitrogen is injected into producing well, is formed and is replaced nitrogen slug；4) steam is injected, it can be wherein, pit shaft and stratum near wellbore zone water can be pushed into oil reservoir by preposition nitrogen slug, equilibrium strata pressure, nitrogen-gel foam main body slug effectively can inhibit bottom water to invade, gel foam blocking agent can be replaced out in screen casing and nearly pit shaft area by replacing nitrogen slug, prevent blocking agent from consolidating in nearly near wellbore, block steam injection, oil channel.This method can delay bottom water coning speed, improve steam sweep efficiency and utilization rate, improve effect of reservoir development. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109025953-A |
| priorityDate | 2016-08-23^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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