PetroChina Company Limited
Utility Patent Applications

Last updated:

List of all PetroChina Company Limited patents 69 in total

Status Patent
Application
Utility: METHOD AND CATALYST FOR SELECTIVE OLIGOMERIZATION OF ETHYLENE External link
Filling date: 8 Sep 2025 Issue date: 26 Dec 2019
Application
Utility: METHOD AND DEVICE FOR PREDICTING CHANGE IN WATER CUT RISING RATE IN WATER-DRIVE OIL RESERVOIR External link
Filling date: 8 Sep 2025 Issue date: 19 Dec 2019
Application
Utility: Resistivity Measurement Method, Device and System External link
Filling date: 8 Sep 2025 Issue date: 5 Dec 2019
Application
Utility: Single-Side Modified Beta-Anderson-Type Heteropolymolybdate Organic Derivatives External link
Filling date: 8 Sep 2025 Issue date: 21 Nov 2019
Application
Utility: CHELATING AGENT FOR RESERVOIR ACIDIFICATION AND STIMULATING INJECTION AND ITS PREPARATION METHOD AND APPLICATION External link
Filling date: 8 Sep 2025 Issue date: 31 Oct 2019
Application
Utility: INJECTION STIMULATION AGENT FOR WATER INJECTION WELL AND THE PREPARATION METHOD AND APPLICATION THEREOF External link
Filling date: 8 Sep 2025 Issue date: 17 Oct 2019
Application
Utility: Fracturing Process External link
Filling date: 8 Sep 2025 Issue date: 3 Oct 2019
Application
Utility: Phase Transition Material Fluid and Proppant Formed Therefrom External link
Filling date: 8 Sep 2025 Issue date: 3 Oct 2019
Application
Utility: APPARATUS AND METHOD FOR DETERMINING VOLUME STABILITY OF WELL CEMENT External link
Filling date: 8 Sep 2025 Issue date: 3 Oct 2019
Application
Utility: METHOD FOR IN-DEPTH PROFILE CONTROL AND DISPLACEMENT OF LOW-PERMEABILITY OIL RESERVOIRS External link
Filling date: 8 Sep 2025 Issue date: 26 Sep 2019
Application
Utility: METHOD, APPARATUS, AND SYSTEM FOR ELIMINATING FREQUENCY DISPERSION EFFECT External link
Filling date: 8 Sep 2025 Issue date: 26 Sep 2019
Application
Utility: DOWNHOLE POWER GENERATION DEVICE AND SEPARATE-ZONE WATERFLOODING DEVICE External link
Filling date: 8 Sep 2025 Issue date: 26 Sep 2019
Application
Utility: Diverting Agent For Diversion Acidizing In Water Injection Wells And A Preparation Method Thereof External link
Filling date: 8 Sep 2025 Issue date: 12 Sep 2019
Application
Utility: On-Line Diverting Acid For Continuous Injection Into Water Injection Wells And A Preparation Method Thereof External link
Filling date: 8 Sep 2025 Issue date: 12 Sep 2019
Application
Utility: Method and Apparatus for Determining Oil Output Quantity and Gas Output Quantity of Shale Oil In-Situ Conversion External link
Filling date: 8 Sep 2025 Issue date: 5 Sep 2019
Application
Utility: METHOD AND DEVICE FOR DETERMINING ELASTICITY OF CEMENT STONE UTILIZED IN WELL CEMENTING OF OIL-GAS WELL External link
Filling date: 8 Sep 2025 Issue date: 5 Sep 2019
Application
Utility: METHOD FOR OBTAINING CONVERSION RELATIONSHIP BETWEEN DYNAMIC AND STATIC ELASTIC PARAMETERS External link
Filling date: 8 Sep 2025 Issue date: 29 Aug 2019
Application
Utility: Olefin Coordination Polymerization Catalyst and Use Thereof External link
Filling date: 8 Sep 2025 Issue date: 15 Aug 2019
Application
Utility: LAYERED WATER INJECTION SYSTEM AND LAYERED WATER INJECTION METHOD External link
Filling date: 8 Sep 2025 Issue date: 8 Aug 2019

Showing 50 to 69 of 69 patents.