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

Patent Owner(s)

Patent Owner	Address
REPSOL S A	28045 MADRID

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Beda, Giulio	Rio de Janeiro, BR	1	9
Tiwary, Devendra Nath	Edmond, US	1	9

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Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 25, 2026

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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

Full Text

US Patent Application No: 2014/0379,265

REAL-TIME METHOD FOR DETERMINING THE POROSITY AND WATER SATURATION OF AN UNDERGROUND FORMATION USING GAS AND MUD LOGGING DATA

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