国家/地区 中国（7） 美国（3） 世界知识产权组织（3）
IPC部 C（12）
IPC大类 C09（12） E21（12） C08（4）
B29（2） C07（2）
IPC小类 E21B（12）
IPC C09K008/68（4） C09K008/88（3） C09K008/516（2）
C09K008/58（2） C09K008/80（2） C09K008/90（2）
E21B033/13（2） E21B043/16（2） E21B043/22（2）
E21B043/26（2） E21B043/267（2）
发明人 LIU J（3） ALSHARAEH E（2） BATAWEEL M A（2）
WANG H（2） WANG Y（2） ZHANG Y（2）
公开年 2022（12）
申请年 2021（12）
专利权人 PETROCHINA C.（3） SAUDI ARABIA.（3） UNIV ALFAISA.（2）

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 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

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

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

Composition useful for e.g., controlling fluid flow, comprises a quantity of fibers and a quantity of swellable particles comprising crosslinkable polymer chains and/or an assembling agent.

BAI B, WANG Z, SUN Z, PU J, SCHUMAN T

Processing titanium alloy space sampling drill comprises e.g. spraying graphene dispersion liquid to titanium alloy drill bit subjected to nitriding treatment, and drying titanium alloy drill bit sprayed to obtain nitride-graphene composite coating on surface of titanium alloy drill bit.

WANG W, MENG D, FU Z, KANG J, WANG H, YUE W, WANG Q, GAO W, SHE D