国家/地区 中国（11） 美国（5） 世界知识产权组织（5）
IPC部 C（18）
IPC大类 C09（18）
IPC小类 E21B（18）
IPC C09K008/68（5） C09K008/516（3） C09K008/88（3）
E21B033/13（3） E21B033/138（3） E21B043/22（3）
E21B043/267（3） C08K003/04（2） C09K008/03（2）
C09K008/42（2） C09K008/44（2） C09K008/508（2）
C09K008/512（2） C09K008/58（2） C09K008/588（2）
发明人 ALSHARAEH E（3） LIU J（3） WANG H（3）
WANG Y（3） ZHANG Y（3） ALMOHSIN A（2）
BATAWEEL M A（2） LI H（2） LIU X（2）
ZHOU D（2） ZHOU X（2）
公开年 2022（18）
申请年 2021（12）  2020（3）  2022（3） 
专利权人 SAUDI ARABIA.（4） ARAMCO SERVI.（3） PETROCHINA C.（3） UNIV ALFAISA.（3）
UNIV XIAN SH.（2）

Well drilling plugging method for malignant leakage stratum, involves preparing delayed cross-linking type polymer gel plugging slurry on construction site, and using slurry, and pumping polymer gel leakage-stopping slurry into drill stem to fill whole drill stem.

NING X, DING B, YANG B, REN T, QIAO G, LONG H

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

Composition of matter useful for lubricating a tool surface, comprises mono-facial polymer-grafted graphene particle and aqueous-based drilling fluid.

SANTRA A, THAEMLITZ C

Composition of matter for improved oil recovery, comprises a dispersion of capsules in critical or supercritical carbon dioxide, and the capsules comprising an aqueous solution encapsulated by 2-dimensional particles.

WANG Y, ALQASIM A S

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

New gemini surfactant used for used as a particle stabilized emulsion flooding system, which is used in tertiary oil recovery, and as a particle stabilized emulsion flooding system.

YANG S, HUANG J, LIAN L, WANG L, HU W, SONG W, ZHOU W, ZHOU X, HU J, LV W, TIAN M

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

Forming a barrier to overcome lost circulation in a subterranean formation involves injecting a polymer-sand nanocomposite into one or more lost circulation zones in the subterranean formation, and polymer-sand nanocomposite comprising sand mixed with a polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A

Forming barrier that is used for eliminating or reducing unwanted production of water in subterranean formation, involves injecting polymer-sand nanocomposite into one or more water producing fractures in subterranean formation.

BATAWEEL M A, ALSHARAEH E, ALMOHSIN A