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Houston, TX, US
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last 30 patents
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Patent Grant
Thinner for oil-based drilling fluids
Patent number
10,723,931
Issue date
Jul 28, 2020
CNPC USA Corporation
Chun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Thinner for oil-based drilling fluids
Patent number
10,723,929
Issue date
Jul 28, 2020
CNPC USA Corporation
Chun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Crosslinked high molecular weight polymers for use in water-based d...
Patent number
10,072,197
Issue date
Sep 11, 2018
CNPC USA Corporation
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Oil based well fluids with high solids content
Patent number
6,770,602
Issue date
Aug 3, 2004
M-I L.L.C.
Arvind D. Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Conductive medium for openhold logging and logging while drilling
Patent number
6,405,809
Issue date
Jun 18, 2002
M-I L.L.C.
Arvind D. Patel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conductive medium for openhole logging and logging while drilling
Patent number
6,308,788
Issue date
Oct 30, 2001
M-I L.L.C.
Arvind D. Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
THINNER FOR OIL-BASED DRILLING FLUIDS
Publication number
20170145281
Publication date
May 25, 2017
CNPC USA CORPORATION
Chun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
THINNER FOR OIL-BASED DRILLING FLUIDS
Publication number
20170145286
Publication date
May 25, 2017
CNPC USA CORPORATION
Chun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CROSSLINKED HIGH MOLECULAR WEIGHT POLYMERS FOR USE IN WATER-BASED D...
Publication number
20170101573
Publication date
Apr 13, 2017
CNPC USA CORPORATION
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
FORMULATIONS AND USES OF DRILLING FLUIDS CONTAINING VISCOSIFIED PHO...
Publication number
20120302468
Publication date
Nov 29, 2012
CLEARWATER INTERNATIONAL, LLC
Olusegun Matthew Falana
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Oil based well fluids with high solids content
Publication number
20030158046
Publication date
Aug 21, 2003
M-I LLC
Arvind D. Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Conductive medium for openhold logging and logging while drilling
Publication number
20010001991
Publication date
May 31, 2001
M-I LLC
Arvind D. Patel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...