loadpatents
name:-0.20402002334595
name:-0.16692900657654
name:-0.15068602561951
Southwest Petroleum University Patent Filings

Southwest Petroleum University

Patent Applications and Registrations

Patent applications and USPTO patent grants for Southwest Petroleum University.The latest application filed is for "displacement measuring device and speed measuring method of drilling traction robot".

Company Profile
200.200.200
  • Southwest Petroleum University - Chengdu CN
  • SOUTHWEST PETROLEUM UNIVERSITY - Chengdu City CN
  • SOUTHWEST PETROLEUM UNIVERSITY - Sichuan CN
  • Southwest Petroleum University -
  • Southwest Petroleum University - Chengdu, Sichuan CN
  • SOUTHWEST PETROLEUM UNIVERSITY - Chengdu City, Sichuan CN
  • Southwest Petroleum University - N/A
  • Southwest Petroleum University - Sichuan Province N/A CN
  • SOUTHWEST PETROLEUM UNIVERSITY - Chengdu City, Sichuan Province CN
  • Southwest Petroleum University - Chengdu, Sichuan Province CN
  • Southwest Petroleum University - Chongzhou CN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Negative Pressure Shale Shaker Integrated With Negative Pressure Generation And Gas-liquid Separation
App 20220307336 - HOU; Yongjun ;   et al.
2022-09-29
Displacement Measuring Device And Speed Measuring Method Of Drilling Traction Robot
App 20220307367 - ZHAO; Jianguo ;   et al.
2022-09-29
Pressure-bearing plugging agent and preparation method and use thereof
Grant 11,453,814 - Bai , et al. September 27, 2
2022-09-27
Gas Flow Rate Analysis And Prediction Method For Wellhead Choke Of Gas Well Based On Gaussian Process Regression
App 20220290529 - JIANG; Youshi ;   et al.
2022-09-15
Device And Method For Testing The Three-phase Saturation Of Oil, Gas And Water In High-temperature And High-pressure Planar Model
App 20220290561 - GUO; Ping ;   et al.
2022-09-15
Oil-based Drilling Fluid Composition, Oil-based Drilling Fluid And Preparation Method And Use Thereof
App 20220290032 - BAI; Yang ;   et al.
2022-09-15
Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid
Grant 11,441,062 - Bai , et al. September 13, 2
2022-09-13
Drilling platform for amphibious operations
Grant 11,441,357 - Zhang , et al. September 13, 2
2022-09-13
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates
Grant 11,434,727 - Tang , et al. September 6, 2
2022-09-06
Spherical Organic Nano Boron Crosslinker With Pamam Core And Preparation Method Thereof, And Gel Fracturing Fluid
App 20220275269 - MAO; Jincheng ;   et al.
2022-09-01
High-temperature and high-pressure microscopic visual flowing device and experimental method
Grant 11,428,620 - Xiao , et al. August 30, 2
2022-08-30
Cavity Creation Tool By Crushing With Multi-stage Controllable Water Jet For Natural Gas Hydrate Development
App 20220268132 - TANG; Yang ;   et al.
2022-08-25
Pressure-bearing Plugging Agent And Preparation Method And Use Thereof
App 20220267662 - BAI; Yang ;   et al.
2022-08-25
Photocatalytic oil-water separation material and preparation method thereof
Grant 11,413,609 - Liu , et al. August 16, 2
2022-08-16
Method for determining sand pumping parameters based on width distribution of fracture
Grant 11,408,281 - Lu , et al. August 9, 2
2022-08-09
In Situ Exploitation-separation-backfilling Integration Apparatus Used For Natural Gas Hydrates
App 20220243564 - TANG; Yang ;   et al.
2022-08-04
Safety pipe loop and method for strain monitoring of mountainous pipelines
Grant 11,402,194 - He , et al. August 2, 2
2022-08-02
Test device and method for top-of-the-line corrosion of high-temperature high-pressure wet gas pipeline
Grant 11,397,147 - Deng , et al. July 26, 2
2022-07-26
Pressure-bearing plugging composition, pressure-bearing plugging slurry and preparation method and use thereof
Grant 11,396,621 - Bai , et al. July 26, 2
2022-07-26
Method of particle size distribution of particulate bridging lost circulation materials for fractured leakage
Grant 11,397,839 - Wang , et al. July 26, 2
2022-07-26
Method for producing heavy oil by generating solvents in situ in the reservoir
Grant 11,391,128 - Jiang , et al. July 19, 2
2022-07-19
Dynamic fracture width calculation method for drilling fluid loss in fractured formation
Grant 11,391,145 - Xu , et al. July 19, 2
2022-07-19
Emulsifer with high temperature resistance, low viscosity and low corrosiveness, and emulsified acid system comprising same
Grant 11,377,589 - Yang , et al. July 5, 2
2022-07-05
Intelligent water invasion tracking and early warning method for water-gas reservoirs
Grant 11,377,951 - Tan , et al. July 5, 2
2022-07-05
Rotary fatigue tester with complex loads
Grant 11,378,501 - Zhang , et al. July 5, 2
2022-07-05
High-temperature And High-pressure Microscopic Visual Flowing Device And Experimental Method
App 20220205896 - XIAO; Wenlian ;   et al.
2022-06-30
Oil Extraction And Gas Production Method Capable Of In-situ Sand Control And Removal By Downhole Hydraulic Lift
App 20220205347 - TANG; Yang ;   et al.
2022-06-30
Integrated method for nitrogen-assisted carbon dioxide fracturing and development of shale oil reservoirs
Grant 11,371,328 - Zhou , et al. June 28, 2
2022-06-28
Method for testing and extracting paleo-tectonic geostress based on rock core
Grant 11,372,121 - Liang , et al. June 28, 2
2022-06-28
Multi-frequency acoustic velocity measurement device for core
Grant 11,371,962 - Chen , et al. June 28, 2
2022-06-28
Mechanical Automatic Vertical Drilling Tool
App 20220186599 - TIAN; Jialin ;   et al.
2022-06-16
Multi-Function Drilling Tool
App 20220186560 - TIAN; Jialin ;   et al.
2022-06-16
Mechanical Rotary Steering Drilling Tool
App 20220186563 - TIAN; Jialin ;   et al.
2022-06-16
Photocatalytic Oil-water Separation Material And Preparation Method Thereof
App 20220184590 - LIU; Yucheng ;   et al.
2022-06-16
Integrated Method For Nitrogen-assisted Carbon Dioxide Fracturing And Development Of Shale Oil Reservoirs
App 20220186595 - ZHOU; Xiang ;   et al.
2022-06-16
Method For Predicting And Optimizing Penetration Rate In Oil And Gas Drilling Based On Cart Algorithm
App 20220188648 - Shi; Xiangchao ;   et al.
2022-06-16
Double-capillary viscometer for measuring viscosity of acid natural gas
Grant 11,360,013 - Bian , et al. June 14, 2
2022-06-14
Self-generating smart glass
Grant 11,362,617 - Yu , et al. June 14, 2
2022-06-14
Method And System For Predicting Production Of Fractured Horizontal Well In Shale Gas Reservoir
App 20220178252 - HU; Shuyong ;   et al.
2022-06-09
Safety Pipe Loop And Method For Strain Monitoring Of Mountainous Pipelines
App 20220170730 - HE; Tengjiao ;   et al.
2022-06-02
3d In-situ Characterization Method For Heterogeneity In Generating And Reserving Performances Of Shale
App 20220170366 - Ou; Chenghua ;   et al.
2022-06-02
Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings
Grant 11,345,844 - Cheng , et al. May 31, 2
2022-05-31
Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof
Grant 11,345,841 - Bai , et al. May 31, 2
2022-05-31
Integrated Piling Tool with Continuous Drilling and Circulation Pouring
App 20220162919 - TIAN; Jialin ;   et al.
2022-05-26
Tunnel toxic-and-harmful-gas deep-hole detection device and method
Grant 11,340,203 - Su , et al. May 24, 2
2022-05-24
Lignocellulose nanofibril material, stable foam system based thereon, preparation method and application thereof
Grant 11,339,254 - Wei , et al. May 24, 2
2022-05-24
Dynamic Fracture Width Calculation Method For Drilling Fluid Loss In Fractured Formation
App 20220136387 - XU; Chengyuan ;   et al.
2022-05-05
Natural Gas Diffusion Coefficient Measurement Auxiliary Device Based On Hand-operated Lifting Device
App 20220136948 - Hu; Shuyong ;   et al.
2022-05-05
Rotary downhole cavitation generator
Grant 11,319,789 - Gou , et al. May 3, 2
2022-05-03
Method and system for determining single-well dynamic reserve and recoverable reserve of gas-drive reservoir
Grant 11,320,564 - Hu , et al. May 3, 2
2022-05-03
Methods For Preparing And Applying A Nano Emulsifier
App 20220127517 - PU; Wanfen ;   et al.
2022-04-28
Device and method for evaluating fracture initiation and propagation, and stress sensitivity of propped fracture
Grant 11,313,775 - Li , et al. April 26, 2
2022-04-26
Method for injecting non-condensable gas or in-situ combustion to recover remaining oil in a heavy oil reservoir with bottom water
Grant 11,306,571 - Jiang , et al. April 19, 2
2022-04-19
Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces
Grant 11,306,695 - Zhu , et al. April 19, 2
2022-04-19
Comprehensive geological-engineering classification evaluation method for low-permeability reservoirs
App 20220106876 - Xiong; Jian ;   et al.
2022-04-07
Method And Test System For Determining Sand Pumping Parameters Based On Width Distribution Of Fracture
App 20220090495 - Lu; Qianli ;   et al.
2022-03-24
Lubricating Element For Drag Reduction In Production And Transportation Of Water-cut Heavy Oil In Wellbore
App 20220090480 - JING; Jiaqiang ;   et al.
2022-03-24
Thermoplastic Elastomer For Profile Control And Water Shutoff And Method For Preparing Same
App 20220089935 - Xue; Yan ;   et al.
2022-03-24
Preparation method of amphoteric two-dimensional nanosheet
Grant 11,279,621 - Liu , et al. March 22, 2
2022-03-22
Method for evaluating and preventing creep damage to conductivity of hydraulic fracture in gas reservoirs
Grant 11,280,172 - Peng , et al. March 22, 2
2022-03-22
Free slant platform
Grant 11,268,569 - Hu , et al. March 8, 2
2022-03-08
Insatiability emulsification and viscosity system with controlled viscosity and its application in water-driven reservoir
Grant 11,268,013 - Liu , et al. March 8, 2
2022-03-08
Preparation method of supercritical carbon dioxide thickener for tight oil and gas reservoir
Grant 11,261,373 - Zhou , et al. March 1, 2
2022-03-01
Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method therefor
Grant 11,255,745 - Liu , et al. February 22, 2
2022-02-22
Injection method for solid retarded acid
Grant 11,254,859 - Wang , et al. February 22, 2
2022-02-22
Method for evaluating and preventing creep damage to conductivity of hydraulic fracture in gas reservoirs
App 20220049591 - Peng; Yu ;   et al.
2022-02-17
Shale gas well dynamic production allocating method
App 20220049604 - Hu; Shuyong ;   et al.
2022-02-17
Reservoir Isolation Valve For Secondary Completion
App 20220049578 - DING; Liangliang ;   et al.
2022-02-17
Cross-linked plugging agent stimulated by high density brine and preparing method thereof
App 20220041916 - Jia; Hu ;   et al.
2022-02-10
Bullhead-shaped grooved diversion jet and empennage swing vibration suppression device and method
Grant 11,242,715 - Zhu , et al. February 8, 2
2022-02-08
Safety drilling system and method for preventing collapse of water-sensitive formation in upper part of high-pressure saltwater layer
Grant 11,236,562 - Li , et al. February 1, 2
2022-02-01
Method for continuous downhole cooling of high-temperature drilling fluid
Grant 11,236,584 - Zhang , et al. February 1, 2
2022-02-01
Region-growing motion tracking method based on bayesian inference and polynomial fitting
Grant 11,238,599 - Peng , et al. February 1, 2
2022-02-01
Polymer-monodispersed nano-microspheres for deep profile control and flooding, and preparation method thereof
Grant 11,225,597 - Liu , et al. January 18, 2
2022-01-18
Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof
Grant 11,225,594 - Bai , et al. January 18, 2
2022-01-18
System And Method For Pumping Lubricant In Gas Pipeline
App 20220010925 - ZHAO; Jianguo ;   et al.
2022-01-13
Fluid-solid coupling numerical simulation method for evaluating effect of wellbore strengthening in fractured formation
App 20220012389 - Liu; Yang ;   et al.
2022-01-13
Method For Improving Recovery Ratio Of Braided Well Pattern Of Hugely Thick Or Multi-layer Oil And Gas Reservoir
App 20220010666 - PENG; Xiaolong ;   et al.
2022-01-13
Intelligent water invasion tracking and early warning method for water-gas reservoirs
App 20220010674 - Tan; Xiaohua ;   et al.
2022-01-13
Rotary Downhole Cavitation Generator
App 20220010665 - GOU; Ruyi ;   et al.
2022-01-13
Metal-doped Amorphous Carbon Nitride Photocatalytic Material And Preparation Method Thereof
App 20210402382 - Zhou; Ying ;   et al.
2021-12-30
Fine Identification Method Of Tight Reservoir Fracture Based On Conventional Logging Data
App 20210404331 - LIU; Hongqi ;   et al.
2021-12-30
Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation
Grant 11,199,050 - Wang , et al. December 14, 2
2021-12-14
Method for experimentally determining influence of acid liquor on Young's modulus of compact carbonate rock
Grant 11,199,483 - Gou , et al. December 14, 2
2021-12-14
Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate
Grant 11,193,333 - Tang , et al. December 7, 2
2021-12-07
Weighing Structure And Adsorbed Gas Measuring Equipment
App 20210372901 - Hu; Shuyong ;   et al.
2021-12-02
Intelligent water-control and gas-diversion particle for water-gas reservoirs and preparation method thereof
Grant 11,186,766 - Tan , et al. November 30, 2
2021-11-30
Dynamic simulation method of circulating temperature variation in RMR subsea pump mud-lift drilling system
Grant 11,188,694 - Li , et al. November 30, 2
2021-11-30
Automatic cleaning device for suction port of electric submersible pump
Grant 11,187,250 - Gou , et al. November 30, 2
2021-11-30
Region-growing Motion Tracking Method Based on Bayesian Inference and Polynomial Fitting
App 20210358138 - Peng; Bo ;   et al.
2021-11-18
Carbonate reservoir filtration-loss self-reducing acid
Grant 11,174,425 - Chen , et al. November 16, 2
2021-11-16
Process for preparing Mannich base quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof
Grant 11,161,811 - Wang , et al. November 2, 2
2021-11-02
Nanometer plugging water-based drilling fluid and preparation method and use thereof
Grant 11,162,010 - Bai , et al. November 2, 2
2021-11-02
Multi-slug staged method for plugging fractured formation
Grant 11,162,323 - Li , et al. November 2, 2
2021-11-02
Optimization Method For Dense Cutting, Temporary Plugging And Fracturing In Shale Horizontal Well Stage
App 20210334434 - YANG; Zhaozhong ;   et al.
2021-10-28
Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition
Grant 11,156,064 - Zhao , et al. October 26, 2
2021-10-26
Inspection system and method with variable-diameter traveling robot for inspection of natural gas pipeline
Grant 11,150,199 - Chen , et al. October 19, 2
2021-10-19
Intelligent water-control and gas-diversion particle for water-gas reservoirs and preparation method thereof
App 20210301196 - Tan; Xiaohua ;   et al.
2021-09-30
Automatic cleaning device for suction port of electric submersible pump
App 20210301835 - Gou; Ruyi ;   et al.
2021-09-30
Testing method for evaluating the effect of CO2 reaction rate of acid rock plate
Grant 11,130,108 - Guo , et al. September 28, 2
2021-09-28
Channel fracturing method with alternative injection of conventional and capsule-type soluble proppants
Grant 11,125,068 - Jiang , et al. September 21, 2
2021-09-21
Downhole failure analysis and processing method based on the particle diameter distribution of cuttings
Grant 11,125,071 - Yin , et al. September 21, 2
2021-09-21
Mine application method for in-situ nano-microspheres to increase crude oil recovery rate
Grant 11,118,102 - Pu , et al. September 14, 2
2021-09-14
Pressure oscillation simulation device of deep coalbed methane and method thereof
Grant 11,120,710 - Li , et al. September 14, 2
2021-09-14
Method for simulating the discontinuity of the hydraulic fracture wall in fractured reservoirs
Grant 11,118,450 - Zhao , et al. September 14, 2
2021-09-14
Inspection System And Method With Variable-diameter Traveling Robot For Inspection Of Natural Gas Pipeline
App 20210278349 - CHEN; Zhen ;   et al.
2021-09-09
Optimization method for high-efficiently placing proppants in hydraulic fracturing treatment
App 20210270114 - Chen; Xiyu ;   et al.
2021-09-02
Systems and methods for determining in-situ stresses based on orthotropic rock physics model
Grant 11,106,843 - Ma , et al. August 31, 2
2021-08-31
Intermediate Gas Concentration-regulating Piston Pressure Device For High-temperature Autoclave And Gas Distribution Method
App 20210260547 - Zhang; Zhi ;   et al.
2021-08-26
Method For Injecting Non-condensable Gas Or In-situ Combustion To Recover Remaining Oil In A Heavy Oil Reservoir With Bottom Water
App 20210262331 - JIANG; Qi ;   et al.
2021-08-26
Bullhead-shaped Grooved Diversion Jet And Empennage Swing Vibration Suppression Device And Method
App 20210246734 - Zhu; Hongjun ;   et al.
2021-08-12
Injection Method For Solid Retarded Acid
App 20210238473 - WANG; Shibin ;   et al.
2021-08-05
Device And Method For Swinging Power Generation And Vibration Suppression By Using Arc-shaped Wing Plates With Rough Surfaces
App 20210239087 - Zhu; Hongjun ;   et al.
2021-08-05
Sealing integrity evaluation device for high-temperature and high-pressure casing-cement ring-formation and method thereof
App 20210231520 - Zhang; Zhi ;   et al.
2021-07-29
channel fracturing method with alternative injection of conventional and capsule-type soluble proppants
App 20210222537 - Jiang; Youshi ;   et al.
2021-07-22
Safety Drilling System And Method For Preventing Collapse Of Water-sensitive Formation In Upper Part Of High-pressure Saltwater Layer
App 20210222528 - LI; Qian ;   et al.
2021-07-22
Emulsifer With High Temperature Resistance, Low Viscosity And Low Corrosiveness, And Emulsified Acid System Comprising Same
App 20210222057 - YANG; Xiaojiang ;   et al.
2021-07-22
Physical simulation and calibration device and method for formation pressure testing
Grant 11,067,492 - Ma , et al. July 20, 2
2021-07-20
Dynamic Simulation Method of Circulating Temperature Variation in RMR Subsea Pump Mud-lift Drilling System
App 20210216689 - Li; Xin ;   et al.
2021-07-15
Lignocellulose Nanofibril Material, Stable Foam System Based Thereon, Preparation Method And Application Thereof
App 20210214509 - WEI; Bing ;   et al.
2021-07-15
Testing device and method for simulating the flowback in the shut-in period of fractured wells
Grant 11,054,405 - Hu , et al. July 6, 2
2021-07-06
Strain and acoustic wave testing device and method for high-temperature rock sample
Grant 11,054,351 - Li , et al. July 6, 2
2021-07-06
Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition
Grant 11,053,779 - Zhao , et al. July 6, 2
2021-07-06
Test Device For Simulating Longitudinal-lateral-torsional Coupled Nonlinear Vibration Of Drill String Of Deepwater Riserless Drilling And Method Therefor
App 20210199535 - LIU; Jun ;   et al.
2021-07-01
Irregular rock sample high-pressure permeation device with adjustable flow direction and test method thereof
Grant 11,047,789 - Guo , et al. June 29, 2
2021-06-29
Polymer-monodispersed Nano-microspheres For Deep Profile Control And Flooding, And Preparation Method Thereof
App 20210189220 - Liu; Rui ;   et al.
2021-06-24
Mine Application Method For In-situ Nano-microspheres To Increase Crude Oil Recovery Rate
App 20210189221 - Pu; Wanfen ;   et al.
2021-06-24
Systems And Methods For Determining In-situ Stresses Based On Orthotropic Rock Physics Model
App 20210173976 - MA; Tianshou ;   et al.
2021-06-10
Method for experimentally determining the conductivity of unpropped fracture in hydraulic fracturing of shale reservoir
Grant 11,028,689 - Zhao , et al. June 8, 2
2021-06-08
In-situ Emulsification And Viscosity Increase System With High Phase Change Point And Application Thereof In Water-flooding Oil Reservoir
App 20210163814 - PU; Wanfen ;   et al.
2021-06-03
Nanometer Plugging Water-based Drilling Fluid And Preparation Method And Use Thereof
App 20210163807 - Bai; Yang ;   et al.
2021-06-03
Ultrasonic Wellbore Anti-collision Monitoring System And Monitoring Method
App 20210164339 - YIN; Hu ;   et al.
2021-06-03
Quantitative scoring and optimization method of drilling and completion loss-control material
Grant 11,017,134 - Xu , et al. May 25, 2
2021-05-25
Method of calculating etching profile of acid-etched fracture system considering complex filtration media
Grant 11,015,924 - Guo , et al. May 25, 2
2021-05-25
Particulate profile control agent self-adaptive to size of formation pore throat and preparation method thereof
Grant 11,015,109 - Jin , et al. May 25, 2
2021-05-25
Method for predicting the optimal shut-in duration by coupling fluid flow and geological stress
Grant 11,015,444 - Hu , et al. May 25, 2
2021-05-25
Simulation device and simulation method for gas reservoir exploitation
App 20210150933 - Hu; Shuyong ;   et al.
2021-05-20
Ultrasonic wellbore anti-collision monitoring system and monitoring method
Grant 11,008,851 - Yin , et al. May 18, 2
2021-05-18
Plate holder for simulating flowing of multiphase fluids in fractures and an operating method thereof
Grant 11,009,442 - Gou , et al. May 18, 2
2021-05-18
Method for dynamic imbibition capacity of shale
Grant 11,009,443 - Guo , et al. May 18, 2
2021-05-18
Quantitative Scoring And Optimization Method Of Drilling And Completion Loss-control Material
App 20210141984 - Xu; Chengyuan ;   et al.
2021-05-13
Combined Crushing Super-variable-diameter Drill Bit For Natural Gas Hydrate Exploitation
App 20210140244 - WANG; Guorong ;   et al.
2021-05-13
Automatic Jet Breaking Tool For Solid Fluidization Exploitation Of Natural Gas Hydrate
App 20210140243 - TANG; Yang ;   et al.
2021-05-13
Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid
Grant 10,989,576 - Bai , et al. April 27, 2
2021-04-27
Particulate Profile Control Agent Self-adaptive To Size Of Formation Pore Throat And Preparation Method Thereof
App 20210115317 - Jin; Fayang ;   et al.
2021-04-22
Parallel Core Simulation Device For Commingling Production In Low-permeability Gas Reservoirs
App 20210116352 - YUE; Ping ;   et al.
2021-04-22
Insatiability Emulsification And Viscosity System With Controlled Viscosity And Its Application In Water-driven Reservoir
App 20210115324 - LIU; Rui ;   et al.
2021-04-22
Cross-linked plugging agent stimulated by high density brine and preparing method thereof
App 20210108122 - Jia; Hu ;   et al.
2021-04-15
Fixed Cutting Structure-composite Cone Drill Bit
App 20210108465 - KUANG; Yuchun ;   et al.
2021-04-15
Well cementation working solution prepared from red mud, slag and waste drilling fluids
Grant 10,975,284 - Cheng , et al. April 13, 2
2021-04-13
Circulating system and a method for continuous downhole cooling of high-temperature drilling fluid
App 20210102441 - Zhang; Jie ;   et al.
2021-04-08
Rotating cutter single cone bit
Grant 10,961,784 - Chen , et al. March 30, 2
2021-03-30
Selection method of loss control materials for lost circulation control in fractured reservoirs based on photoelastic experiments
Grant 10,962,354 - Xu , et al. March 30, 2
2021-03-30
Method For Measuring Micro-scale Strength And Residual Strength Of Brittle Rock
App 20210088428 - SONG; Rui ;   et al.
2021-03-25
Device and Method for Evaluating Fracture Initiation and Propagation, and Stress Sensitivity of Propped Fracture
App 20210088429 - Li; Yongming ;   et al.
2021-03-25
Process For Preparing Metal-chelate Retarder By Sol-gel Method
App 20210079288 - CHENG; Xiaowei ;   et al.
2021-03-18
Ultra-long Stroke Multi-cylinder Reciprocating Pump
App 20210079901 - HOU; Yongjun ;   et al.
2021-03-18
Experimental Device And Experimental Method For Natural Gas Hydrate Solid-state Fluidized Mining And Crushing
App 20210079762 - WANG; Guorong ;   et al.
2021-03-18
Method for establishing chart for designing mechanical properties of cement stones in large-scale fracturing oil well
App 20210082543 - Yin; Hu ;   et al.
2021-03-18
Method for interpreting and evaluating production profile of multi-layer gas reservoir based on downhole distributed temperature monitoring
App 20210071518 - Wei; Mingqiang ;   et al.
2021-03-11
Experimental device for carbon dioxide imbition, diffusion and oil discharge in tight oil reservoir
Grant 10,942,105 - Hu , et al. March 9, 2
2021-03-09
Method And Device For Characterizing Microbial Carbonate Pores, And Server
App 20210063298A1 -
2021-03-04
Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration
Grant 10,928,300 - Su , et al. February 23, 2
2021-02-23
Digital imaging technology-based method for calculating relative permeability of tight core
App 20210047925 - Duan; Yonggang ;   et al.
2021-02-18
Method of calculating etching profile of acid-etched fracture system considering complex filtration media
App 20210048293 - Guo; Jianchun ;   et al.
2021-02-18
Method For Determining The Characteristic Parameters Of Stimulation Intervals Of Multi-stage Fractured Horizontal Well In Unconventional Oil And Gas Reservoir
App 20210048547 - NIE; Renshi ;   et al.
2021-02-18
Tunnel Toxic-and-harmful-gas Deep-hole Detection Device And Method
App 20210048419 - Su; Peidong ;   et al.
2021-02-18
Testing device and method for floating rate of floating agent for fracture height control
Grant 10,921,228 - Jiang , et al. February 16, 2
2021-02-16
Thermosensitive self-plugging bentonite and preparation method thereof and water-based drilling fluid
Grant 10,920,123 - Pu , et al. February 16, 2
2021-02-16
Method For Preparing Low-density Proppant By Taking Oil-based Mud Wastes As Raw Materials
App 20210040379 - Yang; Zhaozhong ;   et al.
2021-02-11
Downhole Failure Analysis and Processing Method and Device Based on the Partical Diameter Distribution of Cuttings
App 20210040835 - Yin; Hu ;   et al.
2021-02-11
Systems And Methods For Combined Physical And Numerical Simulation Of Subterranean Characteristics
App 20210041597 - Hongjun; Wang ;   et al.
2021-02-11
Method for experimentally determining conductivity distribution of acid-fractured fracture of carbonate rock oil and gas reservoir
Grant 10,908,317 - Gou , et al. February 2, 2
2021-02-02
Experimental Device for Measuring Diffusion Coefficient of Natural Gas
App 20210025801 - Hu; Shuyong ;   et al.
2021-01-28
Carbonate Reservoir Filtration-loss Self-reducing Acid
App 20210017445 - CHEN; Weiyu ;   et al.
2021-01-21
Testing Device And Method For Floating Rate Of Floating Agent For Fracture Height Control
App 20210018415 - Jiang; Youshi ;   et al.
2021-01-21
Recyclable clean fracturing fluid thickener, preparation method and recovery method thereof, and high-temperature resistant clean fracturing fluid
Grant 10,894,761 - Yang , et al. January 19, 2
2021-01-19
Process for preparing dibenzylamine quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof
Grant 10,889,748 - Li , et al. January 12, 2
2021-01-12
Plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging large fractures and preparation method thereof
Grant 10,889,745 - Jin , et al. January 12, 2
2021-01-12
Method For Calculating Single-well Controlled Reserve Of Low-permeability/tight Gas Reservoir And Analyzing Residual Gas Thereof
App 20210002999 - Yue; Ping ;   et al.
2021-01-07
Method for evaluating breakage strength of first and second cemented surfaces of well cementation under dynamic load
Grant 10,876,945 - Cheng , et al. December 29, 2
2020-12-29
Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid
Grant 10,870,790 - Mao , et al. December 22, 2
2020-12-22
Oil Well Cement Slurry High-temperature Suspension Stabilizer Prepared From Oil-based Shale Drilling Cuttings
App 20200392393 - Cheng; Xiaowei ;   et al.
2020-12-17
Multi-slug Staged Plugging Method Applicable To Fractured Formation
App 20200392809 - LI; Gao ;   et al.
2020-12-17
method for experimentally determining the conductivity of unpropped fracture in hydraulic fracturing of shale reservoir
App 20200392840 - Zhao; Zhihong ;   et al.
2020-12-17
Design Method Of Particle Size Distribution Of Particulate Bridging Lost Circulation Materials For Fractured Leakage
App 20200394350 - WANG; Gui ;   et al.
2020-12-17
Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof
Grant 10,865,337 - Bai , et al. December 15, 2
2020-12-15
Preparation Method of Supercritical Carbon Dioxide Thickener for Tight Oil and Gas Reservoir
App 20200385631 - Zhou; Ming ;   et al.
2020-12-10
Optimized Design Method For Temporary Blocking Agent To Promote Uniform Expansion Of Fractures Produced By Fracturing In Horizontal Wells
App 20200386081 - CHEN; Xiyu ;   et al.
2020-12-10
Fracturing Fluid Flow-back Simulation Method For Fractured Horizontal Well In Shale Gas Reservoir
App 20200387650 - LI; Yongming ;   et al.
2020-12-10
Single Horizontal Well Gravity Oil Drainage Production Device And Method Of Using Downhole Steam Generation
App 20200370402 - JIANG; Qi ;   et al.
2020-11-26
Multi-Functional Weighting Agent for Drilling Fluid and Preparation Method Thereof, and Water-Based Drilling Fluid and Use Thereof
App 20200369936 - BAI; Yang ;   et al.
2020-11-26
Method for acquiring opening timing of natural fracture under in-slit temporary plugging condition
Grant 10,844,710 - Lu , et al. November 24, 2
2020-11-24
Intelligent Throttled Well-killing Method And Device For Overflow In High-temperature And High-pressure Deep Drilling
App 20200362650 - LI; Qian ;   et al.
2020-11-19
Recyclable Clean Fracturing Fluid Thickener, Preparation Method And Recovery Method Thereof, And High-temperature Resistant Clean Fracturing Fluid
App 20200354310 - YANG; Xiaojiang ;   et al.
2020-11-12
Method For Acquiring Opening Timing Of Natural Fracture Under In-slit Temporary Plugging Condition
App 20200355069 - Lu; Cong ;   et al.
2020-11-12
Method for dynamic imbibition capacity of shale
App 20200355598 - Guo; Jianchun ;   et al.
2020-11-12
Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof
Grant 10,829,679 - Bai , et al. November 10, 2
2020-11-10
Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof
Grant 10,829,681 - Bai , et al. November 10, 2
2020-11-10
A method for simulating the discontinuity of the hydraulic fracture wall in fractured reservoirs
App 20200347721 - Zhao; Jinzhou ;   et al.
2020-11-05
Microorganism curing anti-seepage device based on capsule transmission and control
App 20200347724 - Guo; Liang ;   et al.
2020-11-05
Method for evaluating the longitudinal deformation of proppant pack
Grant 10,823,646 - Guo , et al. November 3, 2
2020-11-03
Split roller cone and PDC composite drill bit
Grant 10,822,881 - Tian , et al. November 3, 2
2020-11-03
Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
Grant 10,822,927 - Tang , et al. November 3, 2
2020-11-03
Process For Preparing Dibenzylamine Quaternary Ammonium Salt High-temperature Resistant Corrosion Inhibitor And Applications Thereof
App 20200339865 - LI; Yongming ;   et al.
2020-10-29
Method For Evaluating Difference In Gas Injection Effect Of Gas Injection Wells In Carbonate Reservoir
App 20200340356 - HU; Yisheng ;   et al.
2020-10-29
Testing device and method for simulating the flowback in the shut-in period of fractured wells
App 20200333314 - Hu; Yongquan ;   et al.
2020-10-22
Method for predicting the optimal shut-in duration by coupling fluid flow and geological stress
App 20200332655 - Hu; Yongquan ;   et al.
2020-10-22
Strain And Acoustic Wave Testing Device And Method For High-temperature Rock Sample
App 20200333221 - LI; Gao ;   et al.
2020-10-22
Process For Preparing Mannich Base Quaternary Ammonium Salt High-temperature Resistant Corrosion Inhibitor And Applications Thereof
App 20200331856 - WANG; Dingli ;   et al.
2020-10-22
A Quadripolymer Based On Host-guest Interaction And Preparation Process Thereof
App 20200332043 - REN; Qiang ;   et al.
2020-10-22
Experimental apparatus and method for simulating transport of sand-carrying fluid in fracturing fractures
Grant 10,801,312 - Hu , et al. October 13, 2
2020-10-13
Multi-functional multi-field coupling seepage experiment device and testing method thereof
Grant 10,801,942 - Ou , et al. October 13, 2
2020-10-13
Mineshaft-stratum fracture coupled flowing simulation experiment device and method
Grant 10,794,180 - Li , et al. October 6, 2
2020-10-06
Method for preparing artificial core to simulate fluvial sedimentary reservoir
App 20200300054 - Zhu; Shanshan ;   et al.
2020-09-24
Natural Gas Hydrate Solid-state Fluidization Mining Method And System Under Underbalanced Positive Circulation Condition
App 20200300066 - ZHAO; Jinzhou ;   et al.
2020-09-24
Physical Simulation And Calibration Device And Method For Formation Pressure Testing
App 20200300746 - MA; Tianshou ;   et al.
2020-09-24
Method For Injecting Non-condensable Gas Or In-situ Combustion To Recover Remaining Oil In A Heavy Oil Reservoir With Bottom Water
App 20200300069 - JIANG; Qi ;   et al.
2020-09-24
Calculation method for dynamic fluid loss of acid-etched fracture considering wormhole propagation
App 20200300082 - Liu; Pingli ;   et al.
2020-09-24
Cross-scale wide-spectrum particle size plugging formula granularity analysis method
Grant 10,782,220 - Xu , et al. Sept
2020-09-22
Crushing System For Large-size Natural Gas Hydrate Rock Samples
App 20200290052 - ZHAO; Jinzhou ;   et al.
2020-09-17
Test Device And Method For Top-of-the-line Corrosion Of High-temperature High-pressure Wet Gas Pipeline
App 20200292440 - DENG; Kuanhai ;   et al.
2020-09-17
Hydrate Solid-state Fluidization Mining Method And System Under Underbalanced Reverse Circulation Condition
App 20200291754 - ZHAO; Jinzhou ;   et al.
2020-09-17
Thermosensitive Self-plugging Bentonite and Preparation Method Thereof and Water-based Drilling Fluid
App 20200283673 - PU; Xiaolin ;   et al.
2020-09-10
Tri-cationic Viscoelastic Surfactant, Preparation Method And Application Thereof And Clean Fracturing Fluid
App 20200283676 - MAO; Jincheng ;   et al.
2020-09-10
Testing device and method for evaluating the effect of CO2 on the reaction rate of acid rock plate
App 20200282373 - Guo; Jianchun ;   et al.
2020-09-10
Plate holder for simulating flowing of multiphase fluids in fractures and an operating method thereof
App 20200284712 - Gou; Bo ;   et al.
2020-09-10
Self-generating Smart Glass
App 20200287503 - YU; Hua ;   et al.
2020-09-10
Direct method for manufacturing large model fractured core and maintaining original oil-water saturation
Grant 10,746,638 - Guo , et al. A
2020-08-18
Method For Intelligently Determining Hydrate Drilling And Production Risks Based On Fuzzy Judgment
App 20200240243 - LI; Haitao ;   et al.
2020-07-30
Experimental Apparatus And Method For Simulating Transport Of Sand-carrying Fluid In Fracturing Fractures
App 20200240252 - HU; Yongquan ;   et al.
2020-07-30
Method For Characterizing Complexity Of Rock Fracture Based On Fractal Dimension And Device Thereof
App 20200240251 - Lu; Cong ;   et al.
2020-07-30
Non-contact real-time stress monitoring method for buried pipeline
Grant 10724906 -
2020-07-28
Rotary fatigue tester with complex loads
App 20200225135 - Zhang; Zhi ;   et al.
2020-07-16
Completions for triggering fracture networks in shale wells
Grant 10711585 -
2020-07-14
Experimental Device And Experimental Method For Testing The Lubricity In Horizontal Well Drilling With A Cuttings Bed Taken Into
App 20200217780 - SU; Junlin ;   et al.
2020-07-09
Rotating Cutter Single Cone Bit
App 20200217141A1 -
2020-07-09
Mineshaft-stratum Fracture Coupled Flowing Simulation Experiment Device And Method
App 20200217193 - LI; Gao ;   et al.
2020-07-09
Automatic diagnosis method for wellhead pressure curve of hydraulic fracturing in shale gas horizontal well
Grant 10689972 -
2020-06-23
Pipeline robot capable of steering actively
Grant 10690281 -
2020-06-23
Method for optimizing perforation parameters to maintain uniform fracture growth in multi-stage hydraulic fracturing of horizontal well
Grant 10677961 -
2020-06-09
Device and method for solid-state fluidization mining of seabed shallow layer non-diagenetic natural gas hydrates
Grant 10655436 -
2020-05-19
Shale Gas Enrichment And Accumulation Classification Method
App 20200131901 - OU; Chenghua ;   et al.
2020-04-30
Ultra-high temperature fracturing fluid
Grant 10633576 -
2020-04-28
Method For Experimentally Determining Influence Of Acid Liquor On Young's Modulus Of Compact Carbonate Rock
App 20200124511 - GOU; Bo ;   et al.
2020-04-23
Intelligent switching valve for reservoir reformation and production monitoring and control and construction method therefor
Grant 10626704 -
2020-04-21
Method for predicting reservoir reform volume after vertical well volume fracturing of low-permeability oil/gas reservoir
Grant 10627543 -
2020-04-21
Double-capillary Viscometer For Measuring Viscosity Of Acid Natural Gas
App 20200110016A1 -
2020-04-09
Mechanics experiment system and method for perforated string in underground perforating blasting of oil-gas well
Grant 10590708 -
2020-03-17
Well Cementation Working Solution Prepared From Red Mud, Slag And Waste Drilling Fluids
App 20200071594A1 -
2020-03-05
Device And Method For Solid-state Fluidization Mining Of Seabed Shallow Layer Non-diagenetic Natural Gas Hydrates
App 20200072028A1 -
2020-03-05
Surface-active Two-tailed Hydrophobic Associated Polymer And Preparation Method Thereof
App 20200062881A1 -
2020-02-27
Ultra-high Temperature Fracturing Fluid
App 20200063020A1 -
2020-02-27
Surface-active two-tailed hydrophobic associated polymer and preparation method thereof
Grant 10570239 -
2020-02-25
Device And Method For Solid-state Fluidized Mining Of Natural Gas Hydrates In Shallow Seabed
App 20200040710A1 -
2020-02-06
Downhole automatic connection device and method for oil pipe internal communication cable used for intelligent layered water injection
Grant 10550647 -
2020-02-04
Drilling platform for amphibious operations
App 20200018121A1 -
2020-01-16
Irregular rock sample high-pressure permeation device with adjustable flow direction and test method thereof
App 20200018681A1 -
2020-01-16
Strong plugging drilling fluid composition and preparation method thereof, and use thereof
Grant 10533122 -
2020-01-14
Method For Evaluating Breakage Strength Of First And Second Cemented Surfaces Of Well Cementation Under Dynamic Load
App 20200011777A1 -
2020-01-09
Method For Predicting Reservoir Reform Volume After Vertical Well Volume Fracturing Of Low-permeability Oil/gas Reservoir
App 20190377101A1 -
2019-12-12

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