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Petrochina Company Limited patents

Recent patent applications related to Petrochina Company Limited. Petrochina Company Limited is listed as an Agent/Assignee. Note: Petrochina Company Limited may have other listings under different names/spellings. We're not affiliated with Petrochina Company Limited, we're just tracking patents.

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Date Petrochina Company Limited patents (updated weekly) - BOOKMARK this page
01/12/17Performance testing device for acid fracturing fluid and application thereof
01/05/17Stratigraphic correlation method and apparatus based on uncertainty
12/29/16Method and performance prediction of multi-layered oil reservoirs
12/15/16Physical simulation method and experiment device of fracture-cavity carbonate reservoir hydrocarbon charge
10/20/16Perfluoro phosphate-type gas pipeline drag-reducing agent and preparing same
10/13/16Mercaptotriazole drag reducer for transmission pipeline and preparation method therefor
06/30/16Method and apparatus of determining stiffness coefficients of formation
06/16/16Sulfur-resistant catalyst for aromatics saturated hydrogenation and preparation method thereof
06/16/16Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof
05/26/16Evaluation method and evaluation device for water breakthrough risk of production wells in aquifer drive gas reservoirs
05/05/16Method and system for identification of geology lithological difference
04/14/16Olefin polymerization catalyst and a combined catalyst containing the same
03/31/16Method and device for estimating quality factor based on zero offset vertical seismic profile data
03/03/16Non-metallic cross-linking agent for ultra-high temperature fracturing fluid, and fracturing fluid, preparation and use thereof
01/14/16Supported polyolefin catalyst and preparation and application thereof
01/07/16Intelligent test multi-segment fractured horizontal well
12/31/15Bridge-type concentric continuously adjustable water distributor
12/24/15Bridge-type concentric direct reading testing and commissioning instrument
12/24/15Characterization a reservoir micro pore structure and a system thereof
12/17/15Olefin polymerization catalyst and preparation and application thereof
12/17/15Distillate two-phase hydrogenation reactor and hydrogenation method
11/12/15Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids
10/22/15Method for selective hydrogenation of unsaturated compound
10/15/15Selective hydrogenation catalyst for unsaturated compound
07/30/15Phosphorus-containing ultrastable y-type rare earth molecular sieve and preparation method therefor
06/25/15Magnesium modified ultra-stable rare earth y-type molecular sieve and preparation method therefor
06/18/15Catalytic cracking catalyst for high-efficiency conversion of heavy oil and preparation method thereof
06/04/15Ultra-stable rare earth y-type molecular sieve and preparation method therefor
05/28/15Marine lubricating oil composite additive
05/28/15Marine cylinder oil composite additive
04/23/15Cool hydrogen-propelled cyclone quench box
03/19/15Heavy oil catalytic cracking catalyst and preparation method therefor
01/29/15Crude oil lifting system and method utilizing vane pump for conveying fluid
01/08/15High light received heavy oil catalytic cracking catalyst and preparation method therefor
10/02/14A multi-branched mannich base corrosion inhibitor and preparation method thereof
09/25/14Nuclear magnetic resonance rock sample analysis method and instrument with constant gradient field
08/21/14Use of organic framework porous solid acid
07/31/14Supercritical carbon dioxide-assisted solid-phase grafting modifiction polypropylene
07/24/14Styrene-based resin blend comprising particles having a tri-layer structure and the preparation method thereof
06/12/14Lubricating oil composition for use in all transmission systems
04/24/14Betaine surfactants and preparation methods and uses thereof
11/28/13Distillate oil hydrogenation deacidification catalyst containing molecular sieve, preparation and use thereof
10/03/13Mannich-base inhibitor for decalcification, preparation method and application thereof
09/26/13Method for producing lubricating base oil with low cloud point and high viscosity index
08/29/13Method for preparing hydrorefining catalyst
05/23/13Catalyst for polymerization of olefins comprising thienyl-substituted silanes
04/11/13Dendritic comb-shaped polymer thickening agent, preparaton of the same and application thereof
04/11/13Method for preparing 1-octene by oligomerization of ethylene
03/21/13Olefin polymerization catalyst and preparation method and use thereof
12/06/12Catalyst for synthesizing 1-hexene from ethylene trimerization and application thereof
11/01/12Double-component modified molecular sieve with improved hydrothermal stability and production method thereof
09/13/12Marine lubricating oil composite additive
09/13/12Marine cylinder oil composite additive
09/13/12Method for synthesis of 1-decene oligomer
08/23/12Modified molecular sieve characterized by improved sodium-resisting contamination activity and preparation method thereof
12/30/10Selective hydrogenation catalyst and the preparation thereof
12/16/10Catalytic cracking process for reducing sulfur content in gasoline and the device thereof
11/25/10Selective nickel based hydrogenation catalyst and the preparation thereof
07/22/10Olefin polymerization catalyst and preparation method and use thereof

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Petrochina Company Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Petrochina Company Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by