| Patent | Date |
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Method For Establishing Mathematical Model Of Relationship Between Spontaneous Imbibition Volume And Time Of Porous Medium
App 20220291157 - YAO; YANBIN ; et al. | 2022-09-15 |
Method and device of predicting reservoir sand bodies based on a wind field-provenance-basin system
Grant 11,353,620 - Jiang , et al. June 7, 2 | 2022-06-07 |
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 |
Fracturing device for extraction of coalbed methane in low permeability reservoir
Grant 11,242,736 - Tao , et al. February 8, 2 | 2022-02-08 |
Drilling device at extracting opening for extraction of coalbed methane
Grant 11,203,925 - Tao , et al. December 21, 2 | 2021-12-21 |
Loading Apparatus for Rock Fracturing Simulation and Rock Fracturing Simulation Device
App 20210356367 - Zhang; Jinchuan ; et al. | 2021-11-18 |
Biodiesel-based constant rheological property drilling fluid containing intelligent temperature responsive polymer
Grant 11,136,488 - Jiang , et al. October 5, 2 | 2021-10-05 |
Rgo-pei/pvdf Pyroelectric Thin Film And Its Preparation Method
App 20210296555 - Zhang; Yihe ; et al. | 2021-09-23 |
All-metal Downhole Power Drilling Tool Based On Multi-stage Dual Plunger Eccentric Gear Mechanism
App 20210285289 - WANG; Yu ; et al. | 2021-09-16 |
Submarine Position Detection Method Based On Extreme Points Of Gravity Gradients
App 20210263182 - Wan; Xiaoyun ; et al. | 2021-08-26 |
Yield estimation device and method for low-yield shale gas reservoir
App 20210239001 - Zhang; Yuanfu ; et al. | 2021-08-05 |
Drilling Device At Extracting Opening For Extraction Of Coalbed Methane
App 20210172312 - Tao; Shu ; et al. | 2021-06-10 |
Fracturing Device For Extraction Of Coalbed Methane In Low Permeability Reservoir
App 20210172304 - Tao; Shu ; et al. | 2021-06-10 |
Method And Device For Determining Excitation Point Of Seismic Source
App 20210116590 - QIAN; Rongyi ; et al. | 2021-04-22 |
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 |
Method For Making Texture Symbol Of Land Use Classification Map
App 20210109963 - Fu; Zongtang ; et al. | 2021-04-15 |
Integrated System For Geological And Geophysical Survey Based On Unmanned Aerial Vehicle
App 20200393593 - QIAN; Rongyi ; et al. | 2020-12-17 |
Method and equipment for searching non-unique solution of petrophysical property combination in history matching
Grant 10,867,248 - Sun , et al. December 15, 2 | 2020-12-15 |
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 |
Adjustable Gas Detection Device For Coal Bed
App 20200315413 - Tao; Shu ; et al. | 2020-10-08 |
Star-shaped polyacrylamide copolymer and preparation method thereof and drilling fluid including the copolymer
Grant 10,774,256 - Luo , et al. Sept | 2020-09-15 |
Vector denoising method for multicomponent seismic data
Grant 10,761,232 - Lu , et al. Sep | 2020-09-01 |
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 |
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 |
Prestack separating method for seismic wave
Grant 10,712,461 - Lu , et al. | 2020-07-14 |
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 |
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 |
Flow modifier particles, flow modifier, and preparation method and use thereof
Grant 10,494,562 - Dai , et al. De | 2019-12-03 |
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 |
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 |
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 |
Method And System For Acquiring Probability Of Slope Failure And Destabilization Caused By Earthquake
App 20190250291 - Sun; Jinzhong ; et al. | 2019-08-15 |
Colloidal Nano-graphite-strengthened Bulk Gel System For Dispersed Particle Gel And Composition Thereof
App 20190249068 - Zhao; Guang ; et al. | 2019-08-15 |
Star-shaped Polyacrylamide Copolymer And Preparation Method Thereof And Drilling Fluid Including The Copolymer
App 20190119550 - Luo; Zhihua ; et al. | 2019-04-25 |
Vector Denoising Method For Multicomponent Seismic Data
App 20190094400 - LU; Jun ; et al. | 2019-03-28 |
Method and Device of Predicting Reservoir Sand Bodies Based on a Wind Field-Provenance-Basin System
App 20190056527 - Jiang; Zaixing ; et al. | 2019-02-21 |
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 |
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 |
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 |
Prestack Separating Method For Seismic Wave
App 20170131420 - LU; Jun ; et al. | 2017-05-11 |
Method for detecting the genus of Bacillus in samples from oil reservoirs
Grant 9,238,842 - Zhang , et al. January 19, 2 | 2016-01-19 |
Method for Detecting the Genus of Bacillus in Samples from Oil Reservoirs
App 20140155273 - Zhang; Fan ; et al. | 2014-06-05 |
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