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

Patent Owner(s)

Patent Owner	Address
SHELL OIL COMPANY	P O BOX 2463 ONE SHELL PLAZA HOUSTON TX 77252-2463

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Berchenko, Ilya Emil	2120 Pine Dr., Friendswood, TX 77546	104	23041
de, Rouffignac Eric Pierre	4040 Ruskin, Houston, TX 77005	126	26275
Fowler, Thomas David	634 Aldersgate Ct., Katy, TX 77450	90	19526
Karanikas, John Michael	4655 Wild Indigo St., Apt. 302, Houston, TX 77027	102	20340
Maher, Kevin Albert	5106 Huisache St., Bellaire, TX 77401	52	11370
Ryan, Robert Charles	214 Cove Creek, Houston, TX 77042	93	20314
Stegemeier, George Leo	5819 Queensloch Dr., Houston, TX 77096	103	22516
Vinegar, Harold J	5219 Yarwell, Houston, TX 77096	339	71819
Wellington, Scott Lee	5109 Aspen St., Belliare, TX	293	39251
Zhang, Etuan	5425 Loch Lomond Dr., Houston, TX 77096	102	22275

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 07, 2006	US,6994161,B2   US6994161B2	GRANTED PATENT AS SECOND PUBLICATION
March 21, 2002	US,20020034380,A1   US20020034380A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6994161

In situ thermal processing of a coal formation with a selected moisture content

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