国家/地区 中国（16）
IPC部 C（16）
IPC大类 C09（16） C08（4） C01（3）
C04（2） F28（2）
IPC小类 C09K（16）
IPC C09K005/14（3） C09K008/467（3） C09K008/58（3）
C01B032/194（2） C08J009/28（2） C09K008/42（2）
C09K008/584（2）
发明人 ZHAO Z（3） CHENG K（2） DENG Z（2）
LI M（2） LI X（2） LIU Y（2）
MIAO X（2） WANG M（2） XIE X（2）
ZHANG J（2） ZHANG K（2） ZHOU S（2）
公开年 2023（16）
申请年 2021（16）
专利权人 CHINA PETROL.（5） CHINA NAT PE.（2） CHINA PETROL.（2） SINOPEC RES .（2）

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

QLED device comprise cathode layer, a quantum dot light-emitting layer, a hole composite layer comprising an aromatic amino acid film layer provided on surface of hole functional layer, and an anode layer.

LU Z, HUANG P

Surfactant composition useful in viscous oil displacing agent for oil displacement, comprises polyetheramine quaternary ammonium salts, alkyl glycosides and nanoparticles.

QIU Y, CUI L, HE X, MA J

Raw material composition useful in preparing fluid loss control agent for drilling fluid, comprises e.g. prop-2-enamide, prop-2-enamidomethanesulfonic acid compound, bis(prop-2-en-yl)amine chloride compound, sodium 4-ethenylbenzene-1-sulfonate compound and modified graphene oxide.

LAN Q, ZHAO H, YAN B, LI X, WANG X, WANG B, LI Q

Oil well cement retarder useful in the field of oil fields, comprises reinforcing agent, stabilizing agent, tartaric acid, sodium glucoheptonate, sodium gluconate and deionized water.

MU H, MIAO X, WEI H, LIU X, WANG M, ZHOU S, LIU J

Polymer oil-based crosslinking curing plugging agent for drilling fluid, comprises modified epoxy resin, curing agent, curing regulator and reinforcing agent.

LIU Z, ZHANG J, ZHAO Z, ZHANG K, LI M, DENG Z, HE J, XIE X, CHENG K

Polymer-based elastomer plugging agent for drilling fluid, comprises polymer elastomer matrix material, reinforced polymer elastomer material, reinforcing material, functional filler and initiator which is photo or thermal initiator.

NIE Q, XIE X, ZHANG K, XIAO F, LI M, WANG M, DENG Z, ZHAO Z, CHENG K

Preparing modified polysilazane nanocomposite material, comprises grafting nanoparticles with hydroxy groups on surface with double-end polysiloxane to prepare modified nanoparticles, and, carrying out dehydration condensation reaction with polysilazane.

REQUEST N N B P

New Janus-type nano graphene oxide for viscosity reducing agent used in oil field applications, has one side with dimensional sheet structure, grafted with hydrophobic alkylamine, and other side grafted with hydrophobic aromatic amine, where nano graphene oxide has specific water contact angle.

BI W, WANG Y, LIU Y, GUAN X, MA H, FAN L, XU Y, XU M, WANG T, ZHANG L

Preparing ultra-high elastic polyimide fiber/graphene composite gas gel comprises e.g. dispersing polyimide chopped fiber in alkali solution, performing surface modification, mixing graphene solution dispersion liquid with polyimide chopped fiber, dialyzing, freezing and drying.

FENG Y, YIN W, FENG W