国家/地区 美国（3） 中国（2）
IPC部 C（5）
IPC大类 C09（5） E21（5）
IPC小类 C09K（5）
IPC C09K008/66（5）
发明人 HAQUE M H（2） LIU X（2） SAINI R K（2）
SAYED M（2） WANG H（2） ZHANG Y（2）
ZHOU D（2）
公开年 2022（2） 2023（2）
申请年 2022（2） 
专利权人 SAUDI ARABIA.（2） UNIV XIAN SH.（2）

Hydraulic fracturing for oil and gas recovery improvement, involves formulating hydraulic fracturing fluid comprising liquid solvent, one surfactant, liquid phase proppant-forming compound, one curing agent, injecting hydraulic fracturing fluid into wellbore.

GONG W, YIN C, LIU F, YU S, BAI L, HUANG J, LIN L

Producing nanoparticle coated proppant with nanoparticle proppant coating used for increasing rate of hydrocarbon production from subsurface formation, involves reacting nanoparticles with at least one of alkoxysilane solution or halosilane solution to form functionalized nanoparticles.

SAYED M, HAQUE M H, SAINI R K

Thickening agent comprises nanometer silicon dioxide, graphene, fluorocarbon non-ionic surfactant, cocamide betaine, olefin sulfonate, and distilled water, prepared by adding above raw materials, stirring and mixing, adding nano silicon dioxide and graphene, continuously stirring and oscillating.

GAO Q, LIU Y, HUANG H, WANG H, ZHANG Y, ZHOU D, LIU X

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

Nanoparticle coated proppant used in hydraulic fracturing fluid comprises proppant particle of sand and/or ceramic material and nanoparticle proppant of unfunctionalized organic resin, strengthening agent and functionalized nanoparticles.

SAINI R K, HAQUE M H, SAYED M