Exhibit 21

LIST OF SUBSIDIARIES OF CONOCOPHILLIPS

Listed below are subsidiaries of the registrant at December 31, 2002. Certain
subsidiaries are omitted since such subsidiaries considered in the aggregate do
not constitute a significant subsidiary.

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Alpine Pipeline Company Delaware
Armadillo Investors LLC Delaware
Asamera Algeria Limited Alberta
Asamera Minerals (U.S.) Inc. Colorado
Asamera Oil (U.S.) Inc. Montana
Asamera Resources Inc. Nevada
Ashford Energy Capital S.A. Luxembourg
AZL Resources, Inc. Arizona
Aztec Catalyst Company Delaware
Bantry Terminal Ltd Ireland
Bayway Refining Company Delaware
Border Resources Ltd. England
Brandywine Industrial Gas Inc. Delaware
BVLC, Inc. California
C.S. Land, Inc. California
Calcasieu Properties L.L.C. Delaware
Calcasieu Shipping Corporation Delaware
CGP Servicios Energeticos de Altamira, S. de R. L. de C. V. Mexico
Circle K Enterprises Inc. Delaware
Circle K Stores Inc. Texas
Clearwater Ltd. Bermuda
Cliffe Storage Limited England
Clyde Netherlands B.V. Netherlands
Clyde Petroleum (Investments) Limited England
Clyde Petroleum (Management) Limited England
Clyde Petroleum Exploratie B.V. Netherlands
Clyde Petroleum Limited Scotland
Comap, Inc. Delaware
Conoco (Thailand) Company Limited Thailand
Conoco A.G. Switzerland
Conoco Africa Inc. Delaware
Conoco Arctic Inc. Delaware
Conoco Asia Ltd. Bermuda
Conoco Asia Pacific Ltd. Delaware
Conoco Asia Pacific Sdn. Bhd. Malaysia
Conoco Asia Ventures Pte. Ltd. Singapore
Conoco Austria Mineraloel GmbH Austria
Conoco Brunei Ltd. Bermuda
Conoco Capital Inc. Delaware
Conoco Carbon and Minerals, Inc. Delaware

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Conoco Carbon Fibers Japan, KK Japan
Conoco Center Inc. Delaware
Conoco Central and Eastern Europe Holdings BV Netherlands
Conoco Central Europe Inc. Delaware
Conoco Cevolution Europe B.V. Netherlands
Conoco Cevolution Germany GmbH Germany
Conoco Colombia Ltd Bermuda
Conoco Continental Holding GmbH Germany
Conoco Coral Inc. Delaware
Conoco Corporate Holdings L.P. Delaware
Conoco Czech Republic s.r.o. Czech Republic
Conoco Denmark Inc. Delaware
Conoco Development Company Delaware
Conoco Development II Inc. Delaware
Conoco Development Services Inc. Delaware
Conoco do Brazil Ltda. Brazil
Conoco Drilling Inc. Delaware
Conoco Egypt Inc. Delaware
Conoco Energy Holdings Nigeria Ltd. Bermuda
Conoco Energy Nigeria Limited Nigeria
Conoco Energy Services Company Delaware
Conoco Enterprises Inc. Delaware
Conoco Equity Investments Inc. Delaware
Conoco Este Pipeline Company Delaware
Conoco EurAsia Inc. Delaware
Conoco Exploration & Production Nigeria Limited Nigeria
Conoco Finance Inc. Delaware
Conoco Finance Services Inc. Delaware
Conoco Foreign Sales Corporation Barbados
Conoco Funding Company Novas Scotia
Conoco Geisum Inc. Delaware
Conoco Global Energy Company Delaware
Conoco Global Power Assets Inc. Delaware
Conoco Global Power Assets Sabine Inc. Delaware
Conoco Global Power de Mexico, S. de R. L. de C. V. Mexico
Conoco Global Power Development Deutschland GmbH Germany
Conoco Global Power Development Espana SRL Spain
Conoco Global Power Developments Inc. Delaware
Conoco Global Power Development-Sabine Inc. Delaware
Conoco Global Power Inc. Delaware
Conoco Hungary Kft. Hungary
Conoco Indonesia Holding Company Ltd. British Virgin Islands
Conoco Indonesia Inc. Ltd. Bermuda
Conoco International Petroleum Company Delaware
Conoco Investment AG Switzerland
Conoco Investments Norge A/S Norway

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Conoco Jet (Malaysia) Sdn. Bhd. Malaysia
Conoco Jet Danmark A/S Denmark
Conoco Jet Finland Oy Finland
Conoco Jet Nordic AB Sweden
Conoco Jet Norge A/S Norway
Conoco Kuwait Services Inc. Delaware
Conoco Lagia Offshore, Inc. Delaware
Conoco Limited England
Conoco Lubricant (India) Private Limited India
Conoco Lubricants (Malaysia) Sdn. Bhd. Malaysia
Conoco Mexico Servicios, S.A. de C.V. Mexico
Conoco Mexico, S.A. de C.V. Mexico
Conoco Middle East Gas Co. N.V. Netherland Antilles
Conoco Middle East Ltd. Delaware
Conoco Mineraloel GmbH Germany
Conoco Mont Belvieu Holdings Inc. Delaware
Conoco Nila Ltd. Bermuda
Conoco Nordic Holding LLC Delaware
Conoco Nordic Holdings AB Sweden
Conoco Nordic Investment LP Delaware
Conoco Nordic Limited Bermuda
Conoco Norway Inc. Delaware
Conoco Norway Properties Inc. Delaware
Conoco NW Natuna Exploration & Production Ltd. Bermuda
Conoco Offshore Pipe Line Company Delaware
Conoco Operations (QLD) Pty Ltd. Australia
Conoco Orinoco Inc. Delaware
Conoco Peru Ltd. Bermuda
Conoco Petcoke Far East Ltd. Delaware
Conoco Petroleum Nigeria Limited Nigeria
Conoco Petroleum Operations Inc. Delaware
Conoco Phillips (96-20) Pty Ltd Western Australia
Conoco Pipe Line Company Delaware
Conoco Poland Sp. z.o.o. Poland
Conoco Power Marketing Inc Delaware
Conoco Sabah Ltd. Bermuda
Conoco Services Company Delaware
Conoco Services Ltd. Bermuda
Conoco Shale Oil Inc. Delaware
Conoco Shipping & Marine Development L.L.C. Marshall Islands
Conoco Shipping Company Liberia
Conoco Shipping Norge A/S Norway
Conoco Shipping Norge Nr. 2 AS Norway
Conoco Shipping Norge Nr. 3 AS Norway
Conoco Shtokman Inc. Delaware
Conoco Singapore Operations Pte. Limited Singapore

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Conoco Slovakia s.r.o. Slovic Republic
Conoco South Sokang Holding Ltd. British Virgin Islands
Conoco South Sokang Ltd. Bermuda
Conoco Specialty Products Limited England
Conoco Syria DEZ Gas Ltd. Bermuda
Conoco Syria Ltd. Bermuda
Conoco Timan-Pechora Ltd. Delaware
Conoco Tobong Holding Ltd. British Virgin Islands
Conoco Trading Company Delaware
Conoco Trinidad (4a) B.V. Netherlands
Conoco Trinidad (4b) B.V. Netherlands
Conoco Trinidad Inc. Delaware
Conoco U.K. Properties Inc. Delaware
Conoco Venezuela B.V. Netherlands
Conoco Venezuela C.A. Venezuela
Conoco Venezuela E&P Ltd. Bermuda
Conoco Venezuela Holding C.A. Venezuela
Conoco Venezuela Ltd. Bermuda
Conoco Venezuela Services B.V. Netherlands
Conoco Warim B.V. Netherlands
ConocoPhillips (00-21) Pty Ltd Western Australia
ConocoPhillips (91-12) Pty Ltd Australia
ConocoPhillips (91-13) Pty Ltd Western Australia
ConocoPhillips (95-19) Pty Ltd Australia
ConocoPhillips (96-16) Pty Ltd Australia
ConocoPhillips (Aceh) Ltd. Bermuda
ConocoPhillips (AIB) Ltd. Bermuda
ConocoPhillips (GIB) Ltd. Bermuda
ConocoPhillips (Glen) Limited England
ConocoPhillips (Grissik) Ltd. Bermuda
ConocoPhillips (Kakap) Ltd. Bermuda
ConocoPhillips (Ketapang) Ltd. Bermuda
ConocoPhillips (Pangkah) Ltd. Bermuda
ConocoPhillips (Ramba) Ltd. Bermuda
ConocoPhillips (Sakakemang) Ltd. Bermuda
ConocoPhillips (South Jambi) Ltd. Bermuda
ConocoPhillips (Tungkal) Ltd. Bermuda
ConocoPhillips (U.K.) Alpha Limited England
ConocoPhillips (U.K.) Beta Limited England
ConocoPhillips (U.K.) Eta Limited England
ConocoPhillips (U.K.) Gama Limited England
ConocoPhillips (U.K.) Lambda Limited Ireland
ConocoPhillips (U.K.) Limited England
ConocoPhillips (U.K.) Theta Limited England
ConocoPhillips (U.K.) Zeta Limited England

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

ConocoPhillips Alaska, Inc. Delaware
ConocoPhillips Australia Gas Holdings Pty Ltd Western Australia
ConocoPhillips Australia Pty Ltd Western Australia
ConocoPhillips Aviation Services LLC Texas
ConocoPhillips Banyumas Holding Ltd. British Virgin Islands
ConocoPhillips Canada (East) Limited Canada
ConocoPhillips Canada (North) Limited Canada
ConocoPhillips Canada Energy Partnership Alberta
ConocoPhillips Canada Limited New Brunswick
ConocoPhillips Canada Resources Corp. Nova Scotia
ConocoPhillips Communications Inc. Delaware
ConocoPhillips Company Delaware
ConocoPhillips Developments Limited England
ConocoPhillips Energy Asia Inc. Delaware
ConocoPhillips Energy Marketing Corp. Delaware
ConocoPhillips European Power Limited England
ConocoPhillips Holding Company Delaware
ConocoPhillips Holdings Limited England
ConocoPhillips International Inc. Delaware
ConocoPhillips JPDA Pty Ltd Western Australia
ConocoPhillips Nila Holding Ltd. British Virgin Islands
ConocoPhillips Norge Delaware
ConocoPhillips Oil (GB) Limited United Kingdom
ConocoPhillips Oil Trading Limited United Kingdom
ConocoPhillips Oilsands Partnership Alberta
ConocoPhillips Oilsands Partnership II Alberta
ConocoPhillips Petroleum Chemicals U.K. Limited United Kingdom
ConocoPhillips Petroleum Company U.K. Limited United Kingdom
ConocoPhillips Petroleum International Corporation Denmark Cayman Islands
ConocoPhillips Petroleum Limited England
ConocoPhillips Petroleum UK Investment Corporation Delaware
ConocoPhillips Pipeline Australia Pty Ltd Western Australia
ConocoPhillips Power Operations Limited England
ConocoPhillips Sakakemang Holding Ltd. British Virgin Islands
ConocoPhillips Services Inc. Delaware
ConocoPhillips Specialty Products Inc. Delaware
ConocoPhillips STL Pty Ltd Western Australia
ConocoPhillips Surmont Partnership Canada
ConocoPhillips Tobong Ltd. Bermuda
ConocoPhillips Treasury Limited England
ConocoPhillips WA-248 Pty Ltd Western Australia
ConocoPhillips Western Canada Partnership Alberta
Cono-Services Inc. Delaware
Conoven Holding Ltd. British Virgin Islands
Continental Mid Delta Petroleum Company Delaware
Continental Netherlands Oil Company B.V. Netherlands

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Continental Oil Company Delaware
Continental Oil Company (Nederland) B.V. Netherlands
Continental Oil Company of Italy Delaware
Continental Oil Company of Niger Delaware
Continental Oil Company of Nigeria Delaware
Continental Pipe Line Company Delaware
COP Holdings Limited England
Crestar Energy Holdings Ltd. Bermuda
CRS Resources (Ecuador) LDC Cayman Islands
Crusader (Ireland) Pty. Ltd. Australia
Crusader Inc. Delaware
CSPL Holdings Limited England
Danube Insurance Ltd. Bermuda
Darwin LNG Pty Ltd Australia
Douglas Oil Company of California California
Du Pont E&P No. 1 B.V. Netherlands
Dubai Petroleum Company Delaware
Eagle Sun Company Limited Liberia
East Boston Terminal Company Delaware
Emerald Shipping Corporation Delaware
Emet Pty Ltd Australia
F.P.S.O. Development Ltd. Bermuda
Four Star Beverage Company Inc. Texas
Four Star Holding Company, Inc. Texas
Frontier Deepwater Drilling Inc. Delaware
Gas Natural del Guasare Ltd Liberia
GCRL Energy Ltd. Colorado
GCRL Holdings Inc. Delaware
GCRL Marketing Ltd. Delaware
Golden Valley Pipeline Company California
Gulf Canada Tunisia Ltd. Alberta
Gulf Energy Asia Pte Ltd. Singapore
Gulf Expro Limited Scotland
Gulf Petroleum (Australia) Pty Ltd. Australia
Gulf Resources (Calik) Ltd. Alberta
Gulf Resources (Halmahera) Ltd. Alberta
Gulf Resources (Jambieor) Ltd. Barbados
Gulf Resources (Merangin) Ltd. Alberta
Gulf Resources (NW Natuna) Ltd. Alberta
Gulf Resources (Sakala Timur) Ltd. Alberta
Gulf Resources (Sebuku) Ltd. Alberta
Gulf Resources (West Natuna) Ltd. Alberta
Hotel Phillips Mgmt. Company Oklahoma
Immingham CHP LLP England
Immingham Energy Limited England
Interkraft Handel GmbH Germany

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

International Colin Energy Corporation Alberta
International Energy Insurance Limited Bermuda
International Energy Limited Bahamas
International Petroleum Sales Inc. Panama
Irish Petroleum Company Limited Ireland
Irish Refining Limited Ireland
Jet Tankstellen-Betriebs-GmbH Germany
Jet/Jiffy Shops Limited Thailand
Kayo Oil Company Delaware
Kenai LNG Corporation Delaware
Kenai Tankers LLC Delaware
Kuparuk Pipeline Company Delaware
Lantri Investments B.V. Netherlands
Leland Energy Partnership Alberta
Linden Urban Renewal Limited Partnership New Jersey
Lobo Inc. Delaware
Lobo Pipeline Company L.P. Delaware
Longhorn Pipeline Company Delaware
Louisiana Gas System Inc. Delaware
Lubricantes 76 Mexico, S.A. de C.V. Mexico
Manassas Terminal Company Delaware
Marcus Hook Refining Company Delaware
Maspher Investments B.V. Netherlands
Norske Conoco A/S Norway
North Gillette Coal Company Nevada
NW Natuna Holding Company British Virgin Islands
Oliktok Pipeline Company Delaware
Pacific Pipelines, Inc Delaware
Peerless Insurance Company Limited Barbados
Petco Enterprises Ltd. Japan
Petroleum Transmission Co Calgary
Petroz (International) Pty Ltd Australia
Petroz (Timor Sea) Pty Ltd Australia
Petroz (ZOCA 91-08) Pty Ltd Australia
Petroz Bentu LDC Cayman Islands
Petroz Korinci Baru LDC Cayman Islands
Petroz N.L. Australia
Phillips 66 Capital I Delaware
Phillips 66 Capital II Delaware
Phillips Africa Exploration, Ltd. Liberia
Phillips Alaska Holdings, Inc. Delaware
Phillips Alaska Natural Gas Corporation Delaware
Phillips Alaska Receivables Company, LLC Delaware
Phillips Alpine Alaska, LLC Delaware
Phillips Angola Offshore Ltd. Cayman Islands
Phillips Australasia Exploration Co. Liberia

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Phillips Caspian, Ltd. Liberia
Phillips Chemical Holdings Company Delaware
Phillips China Inc. Liberia
Phillips Coal Company Nevada
Phillips Deepwater Exploration Nigeria Limited Nigeria
Phillips Expatriate Services Company Delaware
Phillips Exploration Angola, Ltd. Liberia
Phillips Exploration Azerbaijan, Ltd. Cayman Islands
Phillips Exploration Nigeria Limited Nigeria
Phillips Gas Company Delaware
Phillips Gas Company Shareholder, Inc. Delaware
Phillips Gas Investment Company Delaware
Phillips Gas Marketing Company Delaware
Phillips Gas Pipeline Company Delaware
Phillips Gas Supply Corporation Delaware
Phillips Indonesia Inc. Delaware
Phillips International Investments, Inc. Delaware
Phillips Investment Company Nevada
Phillips LNG Middle East Ltd. Cayman Islands
Phillips LNG Ventures Limited Liberia
Phillips Mexico LNG, LLC Delaware
Phillips New Ventures, Ltd. Cayman Islands
Phillips Oil Company (Nigeria) Ltd. Nigeria
Phillips Oil Company Australia Liberia
Phillips Petroleum (96-16) Pty Ltd Australia
Phillips Petroleum (96-20) Pty Ltd Western Australia
Phillips Petroleum (BTC) Ltd. Cayman Islands
Phillips Petroleum Africa, Ltd. Liberia
Phillips Petroleum Arabia (CV1) Limited Cayman Islands
Phillips Petroleum Arabia, Ltd. Liberia
Phillips Petroleum Argentina S.A. Argentina
Phillips Petroleum Asia Ventures, Ltd. Liberia
Phillips Petroleum Bohai Limited Bahamas
Phillips Petroleum Borneo, Ltd. Liberia
Phillips Petroleum Canada Ltd. New Brunswick
Phillips Petroleum Company Algeria Delaware
Phillips Petroleum Company Andes Delaware
Phillips Petroleum Company Cameroon Delaware
Phillips Petroleum Company Indonesia Delaware
Phillips Petroleum Company Ireland Delaware
Phillips Petroleum Company Kuwait Cayman Islands
Phillips Petroleum Company Niugini Delaware
Phillips Petroleum Company Western Hemisphere Delaware
Phillips Petroleum Do Brasil Ltda. Brazil
Phillips Petroleum Eurasia, Ltd. Liberia

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Phillips Petroleum Europe Exploration Ltd. Liberia
Phillips Petroleum Greenland A/S Greenland
Phillips Petroleum International Corporation Delaware
Phillips Petroleum International Corporation Italy Liberia
Phillips Petroleum International Corporation Somalia Liberia
Phillips Petroleum International Investment Company Delaware
Phillips Petroleum International, Limited Japan
Phillips Petroleum Kazakhstan, Ltd. Liberia
Phillips Petroleum Kuwait, Ltd. Liberia
Phillips Petroleum Latin America, Ltd. Liberia
Phillips Petroleum Middle East, Ltd. Liberia
Phillips Petroleum Mudayy, Ltd. Liberia
Phillips Petroleum Norsk A/S Norway
Phillips Petroleum Oman, Ltd. Liberia
Phillips Petroleum Pension Trustees Limited United Kingdom
Phillips Petroleum Peru Ltd. Liberia
Phillips Petroleum Resources, Ltd. Delaware
Phillips Petroleum Russia, Ltd. Delaware
Phillips Petroleum Sisimiut A/S Greenland
Phillips Petroleum South Africa, Ltd. Liberia
Phillips Petroleum T&T, Ltd. Liberia
Phillips Petroleum Timor Sea Inc. Delaware
Phillips Petroleum Timor Sea Pty Ltd New South Wales
Phillips Petroleum Worldwide Gas, Ltd. Cayman Islands
Phillips Petroluem International Corporation Venezuela Liberia
Phillips Pipe Line Company Delaware
Phillips Pt. Arguello Production Company Delaware
Phillips Receivables Company II, LLC Delaware
Phillips Receivables Company, LLC Oklahoma
Phillips Retail Marketing Company Delaware
Phillips Singapore Private Limited Singapore
Phillips STL Ventures Inc. Delaware
Phillips Texas Pipeline Company, Ltd. Texas
Phillips Transportation Alaska, Inc. Delaware
Phillips Utility Gas Corporation Delaware
Phillips-New Mexico Partners, L.P. Delaware
Phillips-San Juan Partners, L.P. Delaware
Polar Tankers Spill Response Company Delaware
Polar Tankers, Inc Delaware
Pontoon (Timor Sea) Pty Ltd Australia
Pontoon N.L. Australia
Projet Malaysia Sdn. Bhd. Malaysia
R.A.Z. Properties, Inc. California
Raptor Facilities Inc. Delaware
Raptor Gas Transmission LLC Delaware
Raptor Natural Pipeline LLC New Mexico

State or Jurisdiction in
Which Subsidiary Was
Name of Company Incorporated or Organized
- --------------- -------------------------

Raptor Natural Plains Marketing LLC Delaware
Rocky Mountain Investment & Antique Company Wyoming
Ronany Limited North Ireland
San Jacinto Service Company Delaware
Seagas Pipeline Company Delaware
Seminole Fertilizer Corporation Delaware
Siam Conoco Land Ltd. Thailand
Siam Conoco Terminal Co., Ltd. Thailand
Smile Loyalty Limited England
Societe Europeenne Des Carburants (SECA) Belgium
Sooner Insurance Brokers Limited Bermuda
Sooner Insurance Company Vermont
SRW Cogeneration Limited Partnership Delaware
Stampeder Acquisition (No. 2) Ltd. Canada
Stampeder Acquisition Ltd. Canada
Stampeder Energy (U.S.) Inc. Delaware
Stampeder Exploration Ltd. Canada
Statoil Vietnam AS Norway
Sweeny Coker Investor Sub, Inc. Delaware
The Circle K Corporation Delaware
The Largo Company Delaware
The Oil Shale Corporation Delaware
The Standard Shale Products Company Colorado
TMC Franchise Corporation Arizona
Tosco Canada Ltd. Yukon Territory
Tosco Corporation Nevada
Tosco Europe Limited United Kingdom
Tosco Operating Company, Inc. Delaware
Tosco Pipeline Company Delaware
Tosco Trading, Transportation and Supply, Inc. Delaware
TPC Pipe Line Company Delaware
TS, Inc. Georgia
Union Pipeline Company (California) California
Wabiskaw Explorations Ltd. Canada
WesTTex 66 Pipeline Company Delaware
World Wide Transport, Inc. Liberia
3067047 Novia Scotia Company Nova Scotia
362084 Alberta Inc. Alberta
3793885 Canada Ltd. Canada
534404 Alberta Ltd. Alberta
66 Pipe Line Company Delaware
758350 Alberta Inc. Alberta
942819 Alberta ltd. Alberta