http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109749721-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-03 |
| filingDate | 2017-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109749721-B |
| titleOfInvention | Reservoir protection agent suitable for low-permeability gas reservoir and preparation method |
| abstract | The invention discloses a reservoir protection agent suitable for a low-permeability gas reservoir and a preparation method thereof. The reservoir protecting agent comprises the following components: deionized water, calcium carbonate, laponite, talc, and a wetting agent; the components are calculated according to the parts by weight: 100 parts by weight of deionized water; 4-30 parts by weight of calcium carbonate; 0.2-4 parts by weight of laponite; 4-30 parts by weight of talc; 0.2 to 3 parts by weight of a wetting agent. The method comprises the following steps: and sequentially adding the wetting agent, the talc, the calcium carbonate and the laponite into deionized water, and uniformly stirring to obtain the reservoir protection agent. The reservoir protection agent has wide scale range distribution, and three solid particles with different particle sizes and different types are reasonably compatible according to the characteristics of different porosities of various reservoirs, so that the permeability resistance effect is more excellent. |
| priorityDate | 2017-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 19.