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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Sand control screen for heavy oil thermal recovery
Patent number
10,767,450
Issue date
Sep 8, 2020
Starse Energy and Technology (Group) Co., Ltd.
Huian Yi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Liner hanger top packer
Patent number
9,745,809
Issue date
Aug 29, 2017
Starse Energy and Technology (Group) Co., Ltd.
Huian Yi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Starch-(meth)acrylate graft copolymer, oil-swellable material and o...
Patent number
8,053,509
Issue date
Nov 8, 2011
Starse Energy and Technology (Group) Co., Ltd.
Qiang Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patents Applications
last 30 patents
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Patent Application
COMPOSITE WATER-CONTROLLING AND FLOW-LIMITING DEVICE AND SCREEN PIP...
Publication number
20200102806
Publication date
Apr 2, 2020
STARSE ENERGY AND TECHNOLOGY (GROUP) CO., LTD.
Huian YI
E21 - EARTH DRILLING MINING
Information
Patent Application
SAND CONTROL SCREEN FOR HEAVY OIL THERMAL RECOVERY
Publication number
20190195052
Publication date
Jun 27, 2019
STARSE ENERGY AND TECHNOLOGY (GROUP) CO., LTD.
Huian YI
E21 - EARTH DRILLING MINING
Information
Patent Application
LINER HANGER TOP PACKER
Publication number
20150176354
Publication date
Jun 25, 2015
STARSE ENERGY AND TECHNOLOGY (GROUP) CO., LTD.
Huian Yi
E21 - EARTH DRILLING MINING