国家/地区 中国（6） 美国（3） 世界知识产权组织（3）
IPC部 C（10）
IPC大类 C09（10）
IPC小类 C09K（10） E21B（4）
IPC C09K008/68（10）
发明人 ALSHARAEH E（2） BATAWEEL M A（2） LI W（2）
WANG Y（2） ZHANG Y（2）
公开年 2022（5） 2021（4）
申请年 2021（10）
专利权人 SAUDI ARABIA.（3） UNIV ALFAISA.（2）

Fracturing fluid used in hydraulic fracturing treatment, comprises aqueous copolymer composition has acrylamide-based copolymer, graphene oxide (GO) additive, and crosslinker comprises metal.

BUENROSTRO A, SANTRA A, LIANG F

Slickwater fracturing fluid comprises brine comprising dissolved solid, anionic friction reducing additive, polysaccharide, and nanomaterial comprising nanoparticle, where nanomaterial is silica, graphene, aluminum, iron, zirconium, titanium, silicon, zirconium oxide and titanium oxide.

NGUYEN P D, XU L, LI C, LI L

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

Method of utilizing modified hydrogel to assist in supporting unconsolidated hydrate reservoir fractures, involves preparing modified high-swelling hydrogel, pressurizing target layer and injecting with pre-fluid to form artificial main fracture, adding hydrogel to sand-carrying liquid and stirring.

LIU C, FAN X, YAN L, LIU S, WANG H, ZHANG Y, ZHOU D, LIU X

Preparing crosslinked hydraulic fracturing fluid by combining hydraulic fracturing fluid having polyacrylamide polymer, guar gum, and/or hydroxypropyl guar gum with coated proppants and crosslinking zirconium oxide crosslinker to polymer.

LI W, ALSHARAEH E, BATAWEEL M A

Fracturing fluid gel used in guar gum fracturing fluid system, comprises nanomaterial, guar gum, organic boron-titanium cross-linking agent and water, where organic boron-titanium crosslinking agent is prepared by dissolving boron.

WANG Y, ZHANG C, LIANG L, LIU B, TANG L, GONG J, XU N

Preparing crosslinked hydraulic fracturing fluid for hydraulic fracturing a subsurface formation, involves combining hydraulic fracturing fluid comprising polyacrylamide polymer, guar gum, and hydroxypropyl guar gum with coated proppants.

LI W, ALSHARAEH E, BATAWEEL M A

Clean, environmentally friendly, and high-temperature resistant nano fracturing fluid comprises guanidine gum, modified lignosulfonate, organic boron crosslinking agent, nano material, clay stabilizer, auxiliary discharging agent, gel breaker, phase change filler, and water.

XIE Z, FANG Z, WANG X

Chemical intervention in-situ emulsification system useful in heavy oil reservoirs and light oil reservoir, and heterogeneous reservoir comprises carbon dioxide responsive monomer, surfactant, hydrophilic nano-material, and water.

LIU R, LU J, ZOU B, PU W, DU D

Nano drag reducer useful in development of petroleum, and prepared by e.g. connecting nano-material composed of attapulgite, graphene oxide, and montmorillonite and propionaldehyde compound as polymer by coupling agent.

WU X, ZHANG J, SHI J, DENG Q, LIU Y