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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)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brenneis, D Chad	Marlow, OK	112	6060
Brothers, Lance E	Chickasha, OK	83	5169
Childs, Jerry D	Duncan, OK	20	2326
Ekstrand, Barry B	Katy, TX	5	808
Turkett, Susan M	Duncan, OK	3	613

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent No: 6143069

Light weight high temperature well cement compositions and methods

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