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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
HALLIBURTON ENERGY SERVICES INC	3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Deville, Jay Paul	Spring, US	79	328
Zhou, Hui	The Woodlands, US	243	1800

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Jan 21, 2024
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 21, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 21, 2032

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 21, 2020	US,10717912,B2   US10717912B2	GRANTED PATENT AS SECOND PUBLICATION
May 05, 2016	US,20160122613,A1   US20160122613A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2016/0122,613

DRILLING FLUID COMPOSITION INCLUDING VISCOSIFIER AND METHOD OF USING THE SAME

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