| Patent | Date |
|---|
Chemical flooding method for balanced displacement of heterogeneous oil reservoir
App 20220307356 - Hou; Jian ; et al. | 2022-09-29 |
Shale Oil Fracturing Synchronous Energizing Simulation Experimental Device And Method
App 20220298902 - Wang; Sen ; et al. | 2022-09-22 |
Mussel bionic gel composition, self-repairing gel, profile control and water plugging agent, method for preparing self-repairing gel, and use
Grant 11,427,748 - Dai , et al. August 30, 2 | 2022-08-30 |
High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application
Grant 11,421,140 - Bai , et al. August 23, 2 | 2022-08-23 |
Well structure for natural gas hydrate production
Grant 11,401,785 - Sun , et al. August 2, 2 | 2022-08-02 |
Cement Performance Evaluation Device And Cement Design Method For Cementing In Penetrated Hydrate Deposit
App 20220236203 - LIU; Huajie ; et al. | 2022-07-28 |
Injection-production Relationship Optimization Method Based On Heterogeneous Flow Field Characterization
App 20220229959 - Zhang; Kai ; et al. | 2022-07-21 |
Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application
App 20220228050 - HUANG; Xianbin ; et al. | 2022-07-21 |
High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method
Grant 11,384,275 - Bai , et al. July 12, 2 | 2022-07-12 |
Evaluation method for hydrogen-bearing components, porosity and pore size distribution of organic-rich shale
Grant 11,378,509 - Wang , et al. July 5, 2 | 2022-07-05 |
Alkane Catalytic Dehydrogenation Reaction Device And Catalyst Regeneration Device
App 20220168699 - LI; Chunyi ; et al. | 2022-06-02 |
Method and system for guaranteeing safety of offshore oil well control equipment
Grant 11,346,200 - Cai , et al. May 31, 2 | 2022-05-31 |
Mussel Bionic Gel Composition, Self-repairing Gel, Profile Control And Water Plugging Agent, Method For Preparing Self-repairing Gel, And Use
App 20220154064 - DAI; Caili ; et al. | 2022-05-19 |
Three-electrode array local electrochemical information testing system and testing method
Grant 11,333,624 - Tang , et al. May 17, 2 | 2022-05-17 |
Method for self-adaptive survey calculation of wellbore trajectory
Grant 11,319,796 - Huang , et al. May 3, 2 | 2022-05-03 |
Deep-sea submarine gas hydrate collecting method and production house
Grant 11,313,207 - Yang , et al. April 26, 2 | 2022-04-26 |
Electric drilling tool suitable for ocean underwater drilling rig
Grant 11,299,935 - Xiao , et al. April 12, 2 | 2022-04-12 |
Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drilling
Grant 11,293,231 - Liu , et al. April 5, 2 | 2022-04-05 |
Deep-sea Submarine Gas Hydrate Collecting Method And Production House
App 20220098958 - YANG; Jinxiu ; et al. | 2022-03-31 |
Liquid Cooling Radiator Based On A Working Medium Capable Of Liquid-liquid Phase Separation
App 20220104397 - DING; Bin ; et al. | 2022-03-31 |
Method And System For Constructing Digital Rock
App 20220101055 - YANG; Yongfei ; et al. | 2022-03-31 |
Multi-path combined high-low voltage plasma drilling power source and drillling system
Grant 11,268,326 - Liu , et al. March 8, 2 | 2022-03-08 |
Method For Self-adaptive Survey Calculation Of Wellbore Trajectory
App 20220065097 - HUANG; GENLU ; et al. | 2022-03-03 |
Drill bit with joint function of induced unloading and abrasive jet and drilling method thereof
Grant 11,255,127 - Liu , et al. February 22, 2 | 2022-02-22 |
Multi-grafting site carbon nanomaterial and activated carbon nanomaterial and preparation method thereof and displacement system for ultra-low permeability oil reservoirs
Grant 11,247,909 - Zhao , et al. February 15, 2 | 2022-02-15 |
Carbon nitride-based photocatalyst and preparation method thereof
Grant 11,247,200 - Wu , et al. February 15, 2 | 2022-02-15 |
Method for assessing safety integrity level of offshore oil well control equipment
Grant 11,243,509 - Cai , et al. February 8, 2 | 2022-02-08 |
Naphtha Catalytic Cracking Catalyst, Catalytic Cracking Method And Reaction Device
App 20220033713 - LI; Chunyi ; et al. | 2022-02-03 |
Electric Drilling Tool Suitable for Ocean Underwater Drilling Rig
App 20220025707 - Xiao; Wensheng ; et al. | 2022-01-27 |
Continuous process for producing insoluble sulfur
Grant 11,225,411 - Wang , et al. January 18, 2 | 2022-01-18 |
Simulation Experimental System And Method For Real-time Optimization And Adjustment Of Smart Oilfield Injection Production
App 20220010657 - YAO; Jun ; et al. | 2022-01-13 |
Parallel Proxy Model Based Machine Learning Method For Oil Reservoir Production
App 20210398002 - ZHANG; Kai ; et al. | 2021-12-23 |
Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time
Grant 11,203,922 - Sun , et al. December 21, 2 | 2021-12-21 |
Local heat treatment method for controlling residual stress with primary and auxiliary heating
Grant 11,174,531 - Jiang , et al. November 16, 2 | 2021-11-16 |
Method And Device For Predicting Production Performance Of Oil Reservoir
App 20210350208 - WANG; Sen ; et al. | 2021-11-11 |
Single-point dual sensor-based leakage positioning method and system for gas-liquid stratified flow pipeline
Grant 11,162,643 - Li , et al. November 2, 2 | 2021-11-02 |
Supported catalyst-assisted microwave method for exploiting heavy oil reservoir
Grant 11,156,069 - Li , et al. October 26, 2 | 2021-10-26 |
Local Heat Treatment Method For Controlling Residual Stress With Primary And Auxiliary Heating
App 20210324494 - JIANG; Wenchun ; et al. | 2021-10-21 |
Laboratory device and method for simulating cement sheath consolidation in frozen soil strata
Grant 11,150,232 - Li , et al. October 19, 2 | 2021-10-19 |
Core-shell Structured Nise2@nc Electrocatalytic Material And Preparation Method And Use Thereof
App 20210316286 - XU; Ben ; et al. | 2021-10-14 |
Method And System For Determining Technical Limit Well Spacing For Chemical Flooding For Heavy-oil Reservoir
App 20210319153 - Cui; Chuanzhi ; et al. | 2021-10-14 |
Polyurethane/polyvinylidene Fluoride Composite Membrane For Extracting Organic Sulfide From Naphtha And Preparation Method Therefor
App 20210308626 - HOU; Yingfei ; et al. | 2021-10-07 |
PH sensitive water-absorbent resin suitable for oil well cement slurry and application thereof
Grant 11,136,490 - Bu , et al. October 5, 2 | 2021-10-05 |
Method For Creating Statistics On Content Of Rock Debris In Conglomerate Reservoir
App 20210270987 - QU; Xiyu ; et al. | 2021-09-02 |
Well Structure for Natural Gas Hydrate Production
App 20210254438 - Sun; Baojiang ; et al. | 2021-08-19 |
Drill Bit With Joint Function Of Induced Unloading And Abrasive Jet And Drilling Method Thereof
App 20210246729 - LIU; Yongwang ; et al. | 2021-08-12 |
Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method
Grant 11,085,245 - Liu , et al. August 10, 2 | 2021-08-10 |
Super heavy oil development method for strengthening SAGD steam chamber to break through low physical property reservoir
Grant 11,078,768 - Lu , et al. August 3, 2 | 2021-08-03 |
Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid
Grant 11,072,738 - Huang , et al. July 27, 2 | 2021-07-27 |
A Carbon Dioxide Fluidity Control Device And Method
App 20210220784 - ZHANG; Chao ; et al. | 2021-07-22 |
Filtrate reducer for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof
Grant 11,060,009 - Yang , et al. July 13, 2 | 2021-07-13 |
Temperature-resistant calcium-resistant water-based drilling fluid for oil and gas reservoir protection and use thereof
Grant 11,053,424 - Yang , et al. July 6, 2 | 2021-07-06 |
Continuos Process For Producing Insoluble Sulfur
App 20210198108 - WANG; Yanzhen ; et al. | 2021-07-01 |
Environment-friendly High-temperature Resistant Water-based Drilling Fluid Plugging Anti-sloughing Agent, Preparation Method Thereof And The Water-based Drilling Fluid
App 20210189216 - HUANG; Xianbin ; et al. | 2021-06-24 |
Simulation test system for gas extraction from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity
Grant 11,035,228 - Sang , et al. June 15, 2 | 2021-06-15 |
Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates
Grant 11,002,126 - Wang , et al. May 11, 2 | 2021-05-11 |
Method For Determining A Grid Cell Size In Geomechanical Modeling Of Fractured Reservoirs
App 20210132246 - LIU; Jingshou ; et al. | 2021-05-06 |
Simulation test method for gas extraction from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity
Grant 10,995,572 - Sang , et al. May 4, 2 | 2021-05-04 |
Drilling casing and method of performing fast drilling and completion of large-borehole multilateral well
Grant 10,989,036 - Yan , et al. April 27, 2 | 2021-04-27 |
Fully-electrically driven downhole safety valve
Grant 10,989,019 - Cai , et al. April 27, 2 | 2021-04-27 |
Fluorescent dispersed particle gel, fluorescent gel and fluorescent modified polyacrylamide composite and preparation method and use thereof
Grant 10,982,137 - Zhao , et al. April 20, 2 | 2021-04-20 |
Semi-supervised automatic marking method and device for ground-object in hyperspectral image
Grant 10,984,238 - Liu , et al. April 20, 2 | 2021-04-20 |
Floating wave power generator capable of lifting under remote control
Grant 10,975,834 - Bao , et al. April 13, 2 | 2021-04-13 |
Method and system for determining contact angle of porous media
Grant 10,969,321 - Yang , et al. April 6, 2 | 2021-04-06 |
Method for correcting permeability model of porous medium in dissociation process of gas hydrate, and method and system for determining permeability of hydrate-bearing porous medium
Grant 10,969,514 - Hou , et al. April 6, 2 | 2021-04-06 |
Method for preparing titanium silicon molecular sieve
Grant 10,968,110 - Feng , et al. April 6, 2 | 2021-04-06 |
Acidizing solution for dissolution of clay mineral and preparation method thereof
Grant 10,961,441 - Qu , et al. March 30, 2 | 2021-03-30 |
Device and working method for drilling hydrate micro-borehole and performing fast completion
Grant 10,954,758 - Yan , et al. March 23, 2 | 2021-03-23 |
Foam solution and preparation thereof used for profile control and plugging in heavy oil thermal recovery process and method of profile control and plugging
Grant 10,941,334 - Zhang , et al. March 9, 2 | 2021-03-09 |
Device And Working Method For Drilling Hydrate Micro-borehole And Performing Fast Completion
App 20210062620 - YAN; Chuanliang ; et al. | 2021-03-04 |
Method for reconstructing pore structure of core with micro-CT (computed tomography)
Grant 10,937,210 - Tang , et al. March 2, 2 | 2021-03-02 |
Preparation method and application of the multicomponent composite sulfides lubricant film
Grant 10,934,612 - Han , et al. March 2, 2 | 2021-03-02 |
Drilling speed increasing device driven by downhole motor for generating shock vibration
Grant 10,927,607 - Liao , et al. February 23, 2 | 2021-02-23 |
Drilling Casing And Method Of Performing Fast Drilling And Completion Of Large-borehole Multilateral Well
App 20210025268 - YAN; Chuanliang ; et al. | 2021-01-28 |
Integrated coal gasification combined power generation process with zero carbon emission
Grant 10,899,982 - Tian , et al. January 26, 2 | 2021-01-26 |
Method For Determining Vertical Well Stratified Fracturing Crack Lengths Based On Interlayer Equilibrium Displacement
App 20200392842 - CUI; Chuanzhi ; et al. | 2020-12-17 |
High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry
Grant 10,858,571 - Wang , et al. December 8, 2 | 2020-12-08 |
Method for homogenizing the compositions and mechanical performances of nickel-based material brazed joints
Grant 10,858,724 - Jiang , et al. December 8, 2 | 2020-12-08 |
Supported Catalyst-assisted Microwave Method For Exploiting Heavy Oil Reservoir
App 20200378227 - LI; Zhaomin ; et al. | 2020-12-03 |
Fully-electrically Driven Downhole Safety Valve
App 20200370394 - CAI; Baoping ; et al. | 2020-11-26 |
Method And System For Guaranteeing Safety Of Offshore Oil Well Control Equipment
App 20200370408 - CAI; Baoping ; et al. | 2020-11-26 |
Method For Assessing Safety Integrity Level Of Offshore Oil Well Control Equipment
App 20200371490 - CAI; Baoping ; et al. | 2020-11-26 |
Method And System For Evaluating Macro Resilience Of Offshore Oil Well Control Equipment
App 20200370429 - CAI; Baoping ; et al. | 2020-11-26 |
Method for oil displacement using dispersed particle gel-strengthened polymer ternary composite displacement system
Grant 10,844,275 - Dai , et al. November 24, 2 | 2020-11-24 |
Preparation Method And Application Of The Multicomponent Composite Sulfides Lubricant Film
App 20200362448 - HAN; Bin ; et al. | 2020-11-19 |
Method for enhancing gas recovery of natural gas hydrate reservoir
Grant 10,830,019 - Hou , et al. November 10, 2 | 2020-11-10 |
Natural gas combined power generation process with zero carbon emission
Grant 10,830,107 - Qiao , et al. November 10, 2 | 2020-11-10 |
Modified nano graphite and polymer composite material thereof, preparation method and use in high temperature and high salinity oil reservoir
Grant 10,829,378 - Dai , et al. November 10, 2 | 2020-11-10 |
Integrated device for millisecond-level gas phase catalytic cracking reaction and separation
Grant 10,822,554 - Tian , et al. November 3, 2 | 2020-11-03 |
Foam Solution And Preparation Thereof Used For Profile Control And Plugging In Heavy Oil Thermal Recovery Process And Method Of Profile Control And Plugging
App 20200339866 - Zhang; Chao ; et al. | 2020-10-29 |
Method For Preparing Titanium Silicon Molecular Sieve
App 20200339432 - Feng; Xiang ; et al. | 2020-10-29 |
Evaluation method for different types of pore evolution in shale
Grant 10,816,452 - Wang , et al. October 27, 2 | 2020-10-27 |
Method for calculating daily gas production rate of methane hydrate deposit based on inflow performance relationship formulas
Grant 10,816,531 - Hou , et al. October 27, 2 | 2020-10-27 |
Method for obtaining formation parameters of gas hydrate reservoir through well testing interpretation
Grant 10,815,778 - Hou , et al. October 27, 2 | 2020-10-27 |
Depressuriz od for downhole annulus drilling fluid
Grant 10,815,743 - Liu , et al. October 27, 2 | 2020-10-27 |
A Method For Homogenizing The Compositions And Mechanical Performances Of Nickel-based Material Brazed Joints
App 20200325566 - JIANG; Wenchun ; et al. | 2020-10-15 |
Semi-supervised Automatic Marking Method And Device For Ground-object In Hyperspectral Image
App 20200327325 - LIU; Xin ; et al. | 2020-10-15 |
Classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed
Grant 10,801,081 - Tian , et al. October 13, 2 | 2020-10-13 |
Screw drill bypass valve with large displacement diversion function
Grant 10,801,282 - Shi , et al. October 13, 2 | 2020-10-13 |
Isotope nuclear magnetic method for analyzing ineffective water absorption of rock pores
Grant 10,801,941 - Tang , et al. October 13, 2 | 2020-10-13 |
Simulation Test System For Gas Extraction From Tectonically-deformed Coal Seam In-situ By Depressurizing Horizontal Well Cavity
App 20200318476 - SANG; Shuxun ; et al. | 2020-10-08 |
Method For Oil Displacement Using Dispersed Particle Gel-strengthened Polymer Ternary Composite Displacement System
App 20200308474 - Dai; Caili ; et al. | 2020-10-01 |
Method of biomass grading pyrolysis gasification in a circulating fluidized bed
Grant 10,787,620 - Qiao , et al. September 29, 2 | 2020-09-29 |
Highly selective alicyclic polyamide nanofiltration membrane and making method thereof
Grant 10,780,401 - Niu , et al. Sept | 2020-09-22 |
Composite temperature resistance gel plugging agent, preparation method thereof and use thereof in profile control and water plugging of ultra-deepth reservoir
Grant 10,759,987 - Zhao , et al. Sep | 2020-09-01 |
Depressuriz Od For Downhole Annulus Drilling Fluid
App 20200270959 - LIU; YONGWANG ; et al. | 2020-08-27 |
Combined hydrogenation process method for producing high-quality fuel by medium-low-temperature coal tar
Grant 10,752,850 - Li , et al. A | 2020-08-25 |
Simulation Test Method For Gas Extraction From Tectonically-deformed Coal Seam In-situ By Depressurizing Horizontal Well Cavity
App 20200263511A1 - | 2020-08-20 |
Plugging agent for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof
Grant 10,745,605 - Yang , et al. A | 2020-08-18 |
Composition for multi-component composite intercalation, method of preparing a low-temperature expandable graphite system and method of profile control and water shutoff in deep oil reservoir
Grant 10,745,281 - Zhao , et al. A | 2020-08-18 |
High-temperature Retarder Suitable For Oil And Gas Well Cementation, Preparation Method Thereof And Cementing Slurry
App 20200239760 - Wang; Chengwen ; et al. | 2020-07-30 |
Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration
Grant 10,718,176 - Liao , et al. | 2020-07-21 |
Multi-path Combined High-low Voltage Plasma Drilling Method, Drill Bit For Drilling And Drill Bit Apparatus For Drilling
App 20200224498 - LIU; Yonghong ; et al. | 2020-07-16 |
Method Of Biomass Grading Pyrolysis Gasification In A Circulating Fluidized Bed
App 20200224110 - Qiao; Yingyun ; et al. | 2020-07-16 |
Gasification co-generation process of coal powder in a Y-type entrained flow bed
Grant 10,711,209 - Tian , et al. | 2020-07-14 |
Multi-path Combined High-low Voltage Plasma Drilling Power Source And Drilling System
App 20200217140 - LIU; Yonghong ; et al. | 2020-07-09 |
Multi-path Combined High-low Voltage Plasma Rock-breaking Drill Bit, Drill Bit Apparatus And Drilling Method
App 20200217143 - LIU; Yonghong ; et al. | 2020-07-09 |
Floating Wave Power Generator Capable Of Lifting Under Remote Control
App 20200217292 - BAO; Xingxian ; et al. | 2020-07-09 |
Simulation device and method for integrated evaluation experiment for sand control wellbore plugging and plugging removal
Grant 10,697,277 - Liao , et al. | 2020-06-30 |
Drilling Speed Increasing Device Driven By Downhole Motor For Generating Shock Vibration
App 20200199959 - LIAO; Hualin ; et al. | 2020-06-25 |
Method For Evaluating Thickness And Density Of Adsorbed Methane In Pores Contributed By Organic Matter, Clay And Other Minerals
App 20200191697 - CHEN; Fangwen ; et al. | 2020-06-18 |
Stepwise solidus synthesis method for a micro-mesoporous calcium aluminate catalyst
Grant 10,668,461 - Qiao , et al. | 2020-06-02 |
Oil Well Cement Settlement Stabilizer for High-Temperature Cementing of Oil and Gas Wells and Preparation Method Thereof, and Ce
App 20200157405 - WANG; Chengwen ; et al. | 2020-05-21 |
Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry
Grant 10,655,048 - Wang , et al. | 2020-05-19 |
Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof
Grant 10,647,902 - Huang , et al. | 2020-05-12 |
Gasification Co-generation Process Of Coal Powder In A Y-type Entrained Flow Bed
App 20200140769 - Tian; Yuanyu ; et al. | 2020-05-07 |
Integrated Coal Gasification Combined Power Generation Process With Zero Carbon Emission
App 20200140770 - Tian; Yuanyu ; et al. | 2020-05-07 |
Integrated Device For Millisecond-level Gas Phase Catalytic Cracking Reaction And Separation
App 20200140767 - Tian; Yuanyu ; et al. | 2020-05-07 |
Classified Reduction Gasification Iron Smelting Process Of Iron Ore Powder And Coal Powder In A Y-type Entrained Flow Bed
App 20200140966 - Tian; Yuanyu ; et al. | 2020-05-07 |
Natural Gas Combined Power Generation Process With Zero Carbon Emission
App 20200141282 - Qiao; Yingyun ; et al. | 2020-05-07 |
Detection Device Based On The Piezoelectric Property Of Geological Mineral
App 20200142086 - SONG; YING ; et al. | 2020-05-07 |
Stepwise Solidus Synthesis Method For A Micro-mesoporous Calcium Aluminate Catalyst
App 20200139359 - Qiao; Yingyun ; et al. | 2020-05-07 |
Characterization method for fine-grained sedimentary rock laminar texture
Grant 10,643,321 - Wang , et al. | 2020-05-05 |
Characterization Method For Fine-grained Sedimentary Rock Laminar Texture
App 20200134805 - WANG; GUANMIN ; et al. | 2020-04-30 |
Plugging Agent For Temperature-resistant Calcium-resistant Water-based Drilling Fluid Used In Oil And Gas Reservoir Protection, Drilling Fluid, And Uses Thereof
App 20200115611A1 - | 2020-04-16 |
Filtrate Reducer For Temperature-resistant Calcium-resistant Water-based Drilling Fluid Used In Oil And Gas Reservoir Protection, Drilling Fluid, And Uses Thereof
App 20200115612A1 - | 2020-04-16 |
Temperature-resistant Calcium-resistant Water-based Drilling Fluid For Oil And Gas Reservoir Protection And Use Thereof
App 20200115613A1 - | 2020-04-16 |
Ph Sensitive Water-absorbent Resin Suitable For Oil Well Cement Slurry And Application Thereof
App 20200102486 - BU; Yuhuan ; et al. | 2020-04-02 |
Drilling Speed Improvement Device Capable Of Producing Both Hydraulic Pulse And Impact Vibration
App 20200080379 - LIAO; Hualin ; et al. | 2020-03-12 |
CO.sub.2-sensitive fracturing and displacement fluid and method of making the same and method for fracturing and displacement of tight oil reservoir
Grant 10,584,276 - Dai , et al. | 2020-03-10 |
Three-electrode Array Local Electrochemical Information Testing System And Testing Method
App 20200072781 - Tang; Xiao ; et al. | 2020-03-05 |
Carbon Nitride-based Photocatalyst And Preparation Method Thereof
App 20200055036 - WU; Wenting ; et al. | 2020-02-20 |
Skid-mounted dispersed particle gel production device, dispersed particle gel and preparation method and use thereof
Grant 10,550,318 - Dai , et al. Fe | 2020-02-04 |
Simulation Device And Method For Integrated Evaluation Experiment For Sand Control Wellbore Plugging And Plugging Removal
App 20200019660 - LIAO; Hualin ; et al. | 2020-01-16 |
Hazardous article handing and logistics information system for geological sciences and other purposes
Grant 10,532,873 - Song , et al. Ja | 2020-01-14 |
Laboratory Device And Method For Simulating Cement Sheath Consolidation In Frozen Soil Strata
App 20200003751 - LI; Xiaorong ; et al. | 2020-01-02 |
High-strength Geopolymer Hollow Microsphere, Preparation Method Thereof And Phase Change Energy Storage Microsphere
App 20200002210 - LIU; Huajie ; et al. | 2020-01-02 |
Process of maximizing production of chemical raw materials by gaseous phase catalytic cracking crude oil with multi-stages in milliseconds in combination with hydrogenation
Grant 10,508,247 - Tian , et al. Dec | 2019-12-17 |
Screw Drill Bypass Valve With Large Displacement Diversion Function And A Method Of Using Same
App 20190368289 - SHI; Yucai ; et al. | 2019-12-05 |
Flow modifier particles, flow modifier, and preparation method and use thereof
Grant 10,494,562 - Dai , et al. De | 2019-12-03 |
Method of renovating and afforesting slag mountain with humic acid substance
Grant 10,493,507 - Qiao , et al. De | 2019-12-03 |
Polygeneration method of biomass downflow circulation bed millisecond pyrolysis liquefaction-gasification coupling
Grant 10,487,266 - Tian , et al. Nov | 2019-11-26 |
Method for pyrolysis treatment of oily sludge and environment-friendly renovation of the residue thereof with humic acid substance
Grant 10,487,265 - Tian , et al. Nov | 2019-11-26 |
Method Of Predicting Failure Probability Of Brittle Material In High Temperature Creep State
App 20190354889 - ZHANG; Yucai ; et al. | 2019-11-21 |
Combined Hydrogenation Process Method for Producing High-Quality Fuel by Medium-Low-Temperature Coal Tar
App 20190345399 - Li; Chuan ; et al. | 2019-11-14 |
Single-point Dual Sensor-based Leakage Positioning Method And System For Gas-liquid Stratified Flow Pipeline
App 20190338889 - LI; Yuxing ; et al. | 2019-11-07 |
Co2-sensitive Fracturing And Displacement Fluid And Method Of Making The Same And Method For Fracturing And Displacement Of Tigh
App 20190330518 - DAI; Caili ; et al. | 2019-10-31 |
Method and System for Determining Contact Angle of Porous Media
App 20190331579 - Yang; Yongfei ; et al. | 2019-10-31 |
Evaluation Method For Different Types Of Pore Evolution In Shale
App 20190331583 - Wang; Min ; et al. | 2019-10-31 |
Environment-friendly and in situ immobilized method of renovating heavy metal contaminated soil with humic acid substance
Grant 10,456,817 - Qiao , et al. Oc | 2019-10-29 |
Slag bacterial fertilizer and preparation method thereof and method for improving degraded soil
Grant 10,457,612 - Tian , et al. Oc | 2019-10-29 |
Process Of Alkaline Catalytic Cracking Of Inferior Heavy Oil With Double Reaction Tubes In Milliseconds And Gaseous Coupling
App 20190316046 - Tian; Yuanyu ; et al. | 2019-10-17 |
Process Of Maximizing Production Of Chemical Raw Materials By Gaseous Phase Catalytic Cracking Crude Oil With Multi-stages In Mi
App 20190316049 - Tian; Yuanyu ; et al. | 2019-10-17 |
Process For Producing Low-carbon Olefins By Gaseous Phase Catalytic Cracking Of Heavy Oil With Multi-stages In Milliseconds
App 20190316041 - Tian; Yuanyu ; et al. | 2019-10-17 |
Oil-soluble coated particle flow modifier for fractured-vuggy carbonate reservoir and preparation method and use thereof
Grant 10,442,976 - You , et al. Oc | 2019-10-15 |
Method for improving saline-alkaline soil by using biomass rapid pyrolysis product
Grant 10,434,551 - Qiao , et al. O | 2019-10-08 |
Colloidal nano-graphite-strengthened bulk gel system for dispersed particle gel and composition thereof
Grant 10,414,969 - Zhao , et al. Sept | 2019-09-17 |
Well killing method and device for a fractured formation without safety pressure window by five-step bullheading
Grant 10,408,014 - Sun , et al. Sept | 2019-09-10 |
Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof
Grant 10,392,552 - Sun , et al. A | 2019-08-27 |
Isotope nuclear magnetic method for analyzing ineffective water absorption of rock pores
App 20190257733 - Tang; Mingming ; et al. | 2019-08-22 |
Colloidal Nano-graphite-strengthened Bulk Gel System For Dispersed Particle Gel And Composition Thereof
App 20190249068 - Zhao; Guang ; et al. | 2019-08-15 |
Method for reconstructing pore structure of core with micro-CT (Computed Tomography)
App 20190251715 - Tang; Mingming ; et al. | 2019-08-15 |
Method For Extracting Tight Oil By Converting Carbon Dioxide Huffing-puffing To Carbon Dioxide Flooding
App 20190242225 - LI; Zhaomin ; et al. | 2019-08-08 |
Method for simulation of microscopic flow of pre-crosslinked gel suspension liquid in porous medium
Grant 10,371,859 - Hou , et al. | 2019-08-06 |
Method used for exploiting natural gas hydrate reservoir
Grant 10,344,576 - Hou , et al. July 9, 2 | 2019-07-09 |
Reaction-regeneration device and process for alkane dehydrogenation to alkene
Grant 10,343,128 - Li , et al. July 9, 2 | 2019-07-09 |
Control method and control device for drilling operations
Grant 10,337,267 - Wang , et al. | 2019-07-02 |
Anti-settling Apparatus and Method and Apparatus for Checking the Same, and Apparatus for Preventing Settlement of Well
App 20190178046 - WANG; Zhiyuan ; et al. | 2019-06-13 |
Reaction-regeneration device and process for alkane dehydrogenation to alkene
Grant 10,307,721 - Li , et al. | 2019-06-04 |
Modified graphite particle system for strengthening polymer/binary/ternary composite oil displacement system and preparation and application thereof
Grant 10,294,409 - Zhao , et al. | 2019-05-21 |
Method for creep-fatigue strength of plate-fin heat exchanger
Grant 10,289,772 - Jiang , et al. | 2019-05-14 |
Reaction-regeneration Device And Process For Alkane Dehydrogenation To Alkene
App 20190134590 - LI; Chunyi ; et al. | 2019-05-09 |
Modified Nano-graphite Particle Three-phase Foam Profile Control And Flooding System And Preparation Method Thereof
App 20190119560 - ZHAO; Guang ; et al. | 2019-04-25 |
Modified Graphite Particle System For Strengthening Polymer/binary/ternary Composite Oil Displacement System And Preparation And Application Thereof
App 20190119558 - Zhao; Guang ; et al. | 2019-04-25 |
Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereof
Grant 10,267,129 - Sun , et al. | 2019-04-23 |
Modified nano-graphite particle three-phase foam profile control and flooding system and preparation method thereof
Grant 10,266,753 - Zhao , et al. | 2019-04-23 |
Water solution, clean fracturing fluid and method for fracturing reservoir
Grant 10,246,630 - Dai , et al. | 2019-04-02 |
Weight-on-bit self-adjusting drill bit
Grant 10,233,695 - Guan , et al. | 2019-03-19 |
Autonomous anti-pollution liquid container for isotope analysing of earth science area
Grant 10,189,627 - Song , et al. Ja | 2019-01-29 |
Imidazoline compound, mobility control system, plugging agent for gas channeling, and method for carbon dioxide flooding
Grant 10,189,790 - You , et al. Ja | 2019-01-29 |
Imidazoline Compound, Mobility Control System, Plugging Agent For Gas Channeling, And Method For Carbon Dioxide Flooding
App 20190016683 - YOU; Qing ; et al. | 2019-01-17 |
Weight-on-bit Self-adjusting Drill Bit
App 20180363381 - GUAN; ZHICHUAN ; et al. | 2018-12-20 |
Design Method For Creep-fatigue Strength Of Plate-fin Heat Exchanger
App 20180365356 - Jiang; Wenchun ; et al. | 2018-12-20 |
Method For Simulation Of Microscopic Flow Of Pre-crosslinked Gel Suspension Liquid In Porous Medium
App 20180341727 - HOU; Jian ; et al. | 2018-11-29 |
Water Solution, Clean Fracturing Fluid And Method For Fracturing Reservoir
App 20180334611 - DAI; Caili ; et al. | 2018-11-22 |
Highly selective alicyclic polyamide nanofiltration membrane and making method thereof
App 20180326362 - NIU; Qingshan Jason ; et al. | 2018-11-15 |
Composition for fracturing and displacement and method for fracturing and displacement of tight oil reservoir
Grant 10,119,065 - You , et al. November 6, 2 | 2018-11-06 |
Reaction-regeneration Device And Process For Alkane Dehydrogenation To Alkene
App 20180280909 - LI; Chunyi ; et al. | 2018-10-04 |
Imidazoline compound, mobility control system, plugging agent for gas channeling, and method for carbon dioxide flooding
Grant 10,081,604 - You , et al. September 25, 2 | 2018-09-25 |
Composition For Fracturing And Displacement And Method For Fracturing And Displacement Of Tight Oil Reservoir
App 20180237684 - YOU; Qing ; et al. | 2018-08-23 |
Water-based Drilling Fluid For Protecting High-permeability Reservoirs, And Preparation Method And Use Thereof
App 20180208824 - LV; Kaihe ; et al. | 2018-07-26 |
Water-based Drilling Fluid For Protecting Fractured Reservoirs, And Preparation Method And Use Thereof
App 20180208823 - SUN; Jinsheng ; et al. | 2018-07-26 |
Reservoir Protecting Agent Composition For Reservoir With Cracks, Drilling Fluid Containing The Same And Use Thereof
App 20180118993 - LV; Kaihe ; et al. | 2018-05-03 |
Test System And Test Method For A Simulation Experiment Of Gas Hydrate In A Porous Medium
App 20170292904 - XING; LANCHANG ; et al. | 2017-10-12 |
Movable Combined Sand Control Pipe Of Axial And Radial Slotted Screen Pipes
App 20170218736 - LIU; Yonghong ; et al. | 2017-08-03 |
Autonomous Anti-pollution Liquid Container For Isotope Analysing Of Earth Science Area
App 20170210536 - SONG; YING ; et al. | 2017-07-27 |
Hazardous Article Handing And Logistics Information System For Geological Sciences And Other Purposes
App 20170210537 - SONG; YING ; et al. | 2017-07-27 |
Safe And Stabilized Storage Equipment For Geochemistry Research
App 20170210538 - SONG; YING ; et al. | 2017-07-27 |
Apparatus And Method For Monitoring Hydrate Decomposition Area Under Different Drilling And Production Processes
App 20170101853 - GAO; Yonghai ; et al. | 2017-04-13 |
Device And Method For Measuring Supercritical Carbon Dioxide Fracturing Fluid Throttling Coefficient Under Different Viscosities
App 20170089850 - Wang; Jintang ; et al. | 2017-03-30 |
Surface Layer Conductor Running Tool For Deep-water Well Drilling
App 20170089161 - Sun; Baojiang ; et al. | 2017-03-30 |
Automatic Observation Apparatus For Detecting Mineral Samples
App 20160187255 - SONG; Ying ; et al. | 2016-06-30 |
Method And System For Improving Drilling Speed By Using Drill Speed Vibration
App 20140166368 - Guan; Zhichuan ; et al. | 2014-06-19 |
Reactor And Method For Propylene Production By Stratified Injection Of Heavy Oil And Light Olefins
App 20110275874 - LI; Chunyi ; et al. | 2011-11-10 |
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