http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107779179-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3773be07535cfae4892116dde009267f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-24 |
| filingDate | 2016-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d0a2f223a425d759153d48bd2a37d739 |
| publicationDate | 2018-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107779179-A |
| titleOfInvention | A kind of composite environment-friendly micro-foam drilling fluid and preparation method thereof |
| abstract | The invention belongs to petroleum drilling fluid technical field, more particularly to a kind of composite environment-friendly micro-foam drilling fluid and preparation method thereof.Its raw material composition matches as follows in parts by weight：100 150 parts of water, 20 30 parts of bentonite, 20 25 parts of alkali, 15 20 parts of carboxymethyl cellulose, 15 20 parts of polyacrylamide potassium, 15 20 parts of nano aluminium oxide, 15 25 parts of graphite, 10 15 parts of foaming agent, 10 15 parts of sealing agent, 5 10 parts of high temperature inhibitor, 5 10 parts of high-temperature viscosity reducer, 15 parts of antioxidant.The drilling fluid anti-sloughing seal-off effect is strong, the characteristics of having good rheological, can be recycled, can effectively reservoir protec-tion, raising rate of penetration up to more than 38.4%.The simple production process of the present invention, raw materials for production are easy to get, with short production cycle, and reaction is gentle, and required equipment is conventional equipment, is convenient for industrialized production. |
| priorityDate | 2016-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 57.