国家/地区 中国（14） 美国（2）
IPC部 C（16） E（3） B（2）
G（2）
IPC大类 C09（16） C01（5） E21（3）
C08（2） G01（2）
IPC小类 C09K（16）
IPC C09K005/14（3） C01B032/05（2） C09K008/508（2）
C09K008/74（2） C09K008/88（2） C09K011/02（2）
C09K011/65（2） E21B033/13（2）
发明人 LIU J（16）
公开年 2022（16）
申请年 2021（7）  2022（6）  2020（2） 
专利权人 PETROCHINA C.（3） CHN ENERGY I.（2） NAT INST CLE.（2）

Fluorescent probe useful in detecting norfloxacin content in veterinary medicine, comprises riboflavin and oxidized oxide, where riboflavin is combined with oxidized graphene through conjugation and hydrogen bonding, and is adsorbed on surface of oxidized graphene.

ZHANG Y, LENG W, LI K, LU Z, XU F, LIU J

Soluble graphene quantum dot used in light-emitting material and organic light-emitting device, comprises anthracenyl N-alkyl maleimide functional group at edge.

SHIN H, NIU W, MUELLEN K, LIU J, WU F, FENG X, KIM S, LIANG P, WHOOPENG, MULLEN K, WENHUI N, SHIN H J

Water blocking agent for use in gas reservoir recovery, comprises sorbitan fatty acid ester and/or imidazoline as W/O emulsifier, wetting reversal agent, synergist, and balance amount of solvent.

YU X, ZHANG C, YANG S, MA Y, KONG C, LI J, TU Z, WEI J, ZHANG X, WANG L, JING H, CHEN L, BAI X, ZHANG B, LIU J, ZENG N, SHEN J, PENG J, HUANG K, YI J

Heat accumulation of carbon material with z-plane orientation degree and high degree of graphitization and specific degree of overall orientation, prepared by mixing thermally conductive fillers, agglomerant and high thermally conductive additives, and pressing and molding.

ZHANG H, YU D, WEI J, SHENG Y, GAO G, ZHENG D, LIANG W, LIU J, DUAN C

High-strength heat accumulation carbon material useful in heat accumulation and/or heat dissipation field, prepared by mixing components in high-strength heat storage carbon material composition, molding, sintering or graphitizing molding material in inert atmosphere.

ZHANG H, YU D, WEI J, GAO G, ZHENG D, SHENG Y, LIANG W, LIU J, DUAN C

Gas channeling prevention system for gas flooding oil recovery process, includes foaming agent, polyelectrolyte, foam enhancer, oxidizing agent, chelating agent, and the balance is water.

XU H, CHEN L, REN J, SUN T, ZHANG B, LIU J, HUANG K, SHEN J, CHEN D

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Lubricating plugging fluid loss agent for drilling fluid,comprises functional monomer,graphene oxide, water, oil phase dispersion medium, paraffin, composite emulsifier and initiator, which is prepared by adding all the raw materials, oil phase dispersion medium and paraffin into reaction kettle.

GE Q, WANG L, ZHAO H, ZHENG C, YAN B, WANG B, LIU J, LI X, LI Q

Emulsion diverting acid system for high-temperature carbonate rock reservoir, comprises base oil, acid solution, organic soil, emulsifier, lubricant, fluid loss reducer, corrosion inhibitor, thickener, dispersant, and heat stabilizer.

LI N, ZHAO W, LUO Z, XIONG Y, LIU F, CHEN X, MA J, GAO Q, LIU J, DU J, CHEN W, LIU P, SHANG S, GAO K

Drilling fluid comprises water, bentonite, sodium carbonate, fluid loss reducer, anti-slump agent, lubricant, and plugging agent.

CHEN P, LIU J, SUN W, WANG J, CHEN X, LUO F, QI B, GAO W, FANG J, LI S, NAN Y, LIU S, FAN S, ZHANG J, YU Y