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Pawilai Chinwangso
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Humble, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Reversible oil-based mud
Patent number
11,639,461
Issue date
May 2, 2023
Schlumberger Technology Corporation
Pawilai Chinwangso
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Emulsion preventer for completion brines
Patent number
10,537,829
Issue date
Jan 21, 2020
M-I L.L.C.
Changping Sui
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Non-emulsifier for completion brines to prevent emulsion from forming
Patent number
10,214,435
Issue date
Feb 26, 2019
M-I L.L.C.
Changping Sui
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
REVERSIBLE OIL-BASED MUD
Publication number
20210198552
Publication date
Jul 1, 2021
Pawilai CHINWANGSO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Internal Breaker for Water-Based Fluid and Fluid Loss Control Pill
Publication number
20180208827
Publication date
Jul 26, 2018
M-I L.L.C.
Pawilai Chinwangso
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
EMULSION PREVENTER FOR COMPLETION BRINES
Publication number
20170106311
Publication date
Apr 20, 2017
M-I L.L.C.
Changping Sui
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NON-EMULSIFIER FOR COMPLETION BRINES TO PREVENT EMULSION FROM FORMING
Publication number
20170107127
Publication date
Apr 20, 2017
M-I L.L.C.
Changping Sui
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
INTERNAL BREAKER COMPOSITIONS FOR WELLBORE APPLICATIONS
Publication number
20170088763
Publication date
Mar 30, 2017
M-I L.L.C.
Changping Sui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HIGH-TEMPERATURE HIGH-PRESSURE RESERVOIR DRILLING FLUID
Publication number
20150191640
Publication date
Jul 9, 2015
M-I, LLC
Lijein Lee
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...