| Patent | Date |
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Saturated salt water drilling fluid of salt response type intelligent polymer and preparation method thereof
Grant 11,453,812 - Jiang , et al. September 27, 2 | 2022-09-27 |
Amphiphilic Block Polymer Ultralow-permeability Agent And Intelligent Temporary Plugging Type Water-based Drilling Fluid
App 20220204833 - He; Yinbo ; et al. | 2022-06-30 |
Intelligent prediction method and apparatus for reservoir sensitivity
Grant 11,326,450 - Jiang , et al. May 10, 2 | 2022-05-10 |
Amphiphilic Block Polymer Ultralow-permeability Agent And Intelligent Temporary Plugging Type Water-based Drilling Fluid
App 20220049148 - HE; Yinbo ; et al. | 2022-02-17 |
Intelligent Prediction Method And Apparatus For Reservoir Sensitivity
App 20210388720 - JIANG; Guancheng ; et al. | 2021-12-16 |
Saturated Salt Water Drilling Fluid Of Salt Response Type Intelligent Polymer And Preparation Method Thereof
App 20210348046 - JIANG; Guancheng ; et al. | 2021-11-11 |
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 |
Calcium-resistant zwitterionic polymer, preparation method and application thereof, and water-based drilling fluid containing polymer as dispersant
Grant 11,034,876 - He , et al. June 15, 2 | 2021-06-15 |
Modified polyhistidine suitable for being used as a supramolecular shale inhibitor, method of preparing the same and its application in water-based drilling fluids
Grant 10,889,742 - Jiang , et al. January 12, 2 | 2021-01-12 |
Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereof
Grant 10,876,034 - Jiang , et al. December 29, 2 | 2020-12-29 |
Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling method
Grant 10,442,973 - Jiang , et al. Oc | 2019-10-15 |
Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid
Grant 10,336,931 - Jiang , et al. | 2019-07-02 |
Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluids
Grant 10,308,857 - Jiang , et al. | 2019-06-04 |
Accelerator used for drilling fluids, water-based drilling fluid and usage thereof
Grant 10,266,744 - Jiang , et al. | 2019-04-23 |
Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof
Grant 10,253,237 - Jiang , et al. | 2019-04-09 |
Film Former Used For Coal-bed Gas Well Drilling And Preparation Method Thereof, Drilling Fluid And Usage Thereof
App 20190085231 - JIANG; Guancheng ; et al. | 2019-03-21 |
Accelerator Used For Drilling Fluids, Water-based Drilling Fluid And Usage Thereof
App 20190085232 - JIANG; Guancheng ; et al. | 2019-03-21 |
Nano-hybrid lubricant and method thereof, and oil-based drilling fluid
Grant 10,030,188 - Jiang , et al. July 24, 2 | 2018-07-24 |
Use Of Dual-cation Fluorocarbon Surfactant As Amphiphobic Wettability Reversal Agent In Drilling Fluid
App 20180201821 - JIANG; Guancheng ; et al. | 2018-07-19 |
Drilling fluid additive composition, and oil-based drilling fluid and use thereof
Grant 10,000,684 - Jiang , et al. June 19, 2 | 2018-06-19 |
Drilling Fluid Additive Composition Suitable for Coal-Bed Gas Wells, and Water-Based Drilling Fluid and Use Thereof
App 20180057728 - JIANG; Guancheng ; et al. | 2018-03-01 |
Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof
Grant 9,902,890 - Jiang , et al. February 27, 2 | 2018-02-27 |
Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging
Grant 9,890,318 - Jiang , et al. February 13, 2 | 2018-02-13 |
Nano-hybrid Lubricant And Method Thereof, And Oil-based Drilling Fluid
App 20170349802 - JIANG; Guancheng ; et al. | 2017-12-07 |
Drilling Fluid Additive Composition, And Oil-based Drilling Fluid And Use Thereof
App 20170349803 - JIANG; Guancheng ; et al. | 2017-12-07 |
Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells
Grant 9,834,717 - Jiang , et al. December 5, 2 | 2017-12-05 |
Drilling Fluid Additive Composition And Pseudo Oil-based Drilling Fluid Suitable For Horizontal Shale Gas Wells
App 20170335163 - JIANG; Guancheng ; et al. | 2017-11-23 |
Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells
Grant 9,790,415 - Jiang , et al. October 17, 2 | 2017-10-17 |
High-density water-based drilling fluid suitable for horizontal shale gas wells
Grant 9,790,417 - Jiang , et al. October 17, 2 | 2017-10-17 |
Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells
Grant 9,783,726 - Jiang , et al. October 10, 2 | 2017-10-10 |
Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells
Grant 9,783,725 - Jiang , et al. October 10, 2 | 2017-10-10 |
Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof
Grant 9,745,501 - Jiang , et al. August 29, 2 | 2017-08-29 |
Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid
Grant 9,528,042 - Jiang , et al. December 27, 2 | 2016-12-27 |
Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid
Grant 9,481,822 - Jiang , et al. November 1, 2 | 2016-11-01 |
Copolymer of dimer acid-organic amine and shear strength improving agent of water in oil emulsion drilling fluid and drilling fluid
Grant 9,365,762 - Jiang , et al. June 14, 2 | 2016-06-14 |
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