国家/地区 美国（2）
IPC部 C（4）
IPC大类 E21（4） C09（3）
IPC小类 E21B（4）
IPC C09K008/508（2） C09K008/512（2）
发明人
公开年 2023（4）
申请年 2023（4）
专利权人

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

Synthesisizing nickel-manganese-sulfur decorated reduced graphene oxide nanocomposite for ultra-fast photocatalytic degradation of organic dyes, involves adding manganese chloride tetrahydrate into stirring solution and treating homogeneous suspension with cetyltrimethyl ammonium bromide.

SASIPRABA T, GOVINDHASAMY M

Liquid bridge plug useful for segmented water plugging in horizontal-wells or layered water plugging in vertical-wells, comprises e.g. methacrylamide, galactomannanase, polyacrylamide, N, N-methylenebisacrylamide, thiourea, graphene oxide, and sodium chloride.

TONG J

Preparing polymer-sand nanocomposite lost circulation material for forming barrier to overcome lost circulation in hydrocarbon wellbore, involves combining cross-linker solution and sand particles; combining hydrogel polymer, organic cross-linker and salt; and combining polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A