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Exhibit 21.1
 NOBLE CORPORATION SUBSIDIARIES (as of March 2, 2006)
 SUBSIDIARY NAME
    
    INCORPORATED OR ORGANIZED IN:Noble Holding (U.S.) Corporation (1)
    
    DelawareNoble Holding Europe Sarl (1)
    
    LuxembourgNoble Drilling (Cyprus) Limited (1)
    
    CyprusNoble Engineering & Development Limited (1)
    
    Cayman IslandsNoble Downhole Technology Ltd. (1)
    
    Cayman IslandsNoble Holding International Limited (1)
    
    Cayman IslandsNoble Investment Capital AS (1)
    
    NorwayNoble Drilling Corporation (2)
    
    DelawareMaurer Technology Incorporated (2)
    
    DelawareNoble Drilling Holding LLC (3)
    
    DelawareNoble Drilling Americas LLC (3)
    
    DelawareNoble International Services LLC (3)
    
    DelawareNoble North Africa Limited (3)
    
    Cayman IslandsNoble Drilling Holding Limited AG (4)
    
    SwitzerlandNoble Drilling (Denmark) Holding ApS (4)
    
    DenmarkNoble Drilling (Deutschland) GmbH (5)
    
    GermanyNoble Technology (Canada) Ltd. (5)
    
    CanadaNoble Engineering & Development de Venezuela C.A. (6)
    
    VenezuelaNoble Drilling International Inc. (7)
    
    DelawareNoble Drilling Services Inc. (7)
    
    DelawareNoble Drilling (U.S.) Inc. (7)
    
    DelawareNoble Earl Frederickson LLC (7)
    
    DelawareNoble Carl Norberg LLC (7)
    
    DelawareTriton Engineering Services Company (7)
    
    DelawareWELLDONE Engineering GmbH (8)
    
    GermanyNoble (Middle East) Limited (9)
    
    Cayman IslandsInternational Directional Services Ltd. (9)
    
    BermudaNoble Asset Company Limited (9)
    
    Cayman IslandsNoble Asset (U.K.) Limited (9)
    
    Cayman IslandsNoble Contracting GmbH (9)
    
    SwitzerlandNoble Drilling (Nigeria) Ltd. (9)
    
    NigeriaNoble Drilling (Paul Wolff) Ltd. (9)
    
    Cayman IslandsNoble Drilling (TVL) Ltd. (9)
    
    Cayman IslandsNoble Enterprises Limited (9)
    
    Cayman IslandsNoble International Finance Company (9)
    
    Cayman IslandsNoble International Limited (9)
    
    Cayman IslandsNoble Mexico Limited (9)
    
    Cayman IslandsNoble-Neddrill International Limited (9)
    
    Cayman IslandsNoble Drilling (N.S.) Limited (9)
    
    U.K.Noble Drilling (Denmark) ApS (9)
    
    DenmarkNoble Campeche Limited (9)
    
    Cayman IslandsNoble Drilling (Carmen) Limited (9)
    
    Cayman IslandsNoble Gene Rosser Limited (9)
    
    Cayman IslandsNoble Mexico Services Limited (9)
    
    Cayman IslandsNoble Offshore Contracting Limited (9)
    
    Cayman IslandsNoble Offshore Mexico Limited (9)
    
    Cayman IslandsSedco Dubai LLC (10)
    
    DubaiNoble Brasil Investimentos e Participacoes Ltda. (11)
    
    BrazilNoble Drilling (Norway) AS (12)
    
    NorwayNoble Drilling Services (Norge) AS (12)
    
    NorwayNoble John Sandifer LLC (13)
    
    DelawareNoble Drilling (Jim Thompson) Inc. (13)
    
    DelawareNoble (Gulf of Mexico) Inc. (13)
    
    DelawareNoble Drilling Exploration Company (13)
    
    DelawareNoble Asset Mexico LLC (13)
    
    DelawareNoble Bill Jennings LLC (13)
    
    DelawareNoble Johnnie Hoffman LLC (13)
    
    DelawareNoble Leonard Jones LLC (13)
    
    DelawareNoble Drilling (Canada) Ltd. (14)
    
    Alberta




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NOBLE CORPORATION SUBSIDIARIES (as of March 2, 2006)
 SUBSIDIARY NAME
    
    INCORPORATED OR ORGANIZED IN:Triton Engineering Services Company, S.A. (15)
    
    VenezuelaTriton International, Inc. (15)
    
    DelawareNoble Drilling International (Cayman) Ltd. (16)
    
    Cayman IslandsMaregem AS (17)
    
    NorwayNoble do Brasil Ltda. (18)
    
    Brazil372733 Alberta Inc. (19)
    
    AlbertaBawden Drilling Inc. (19)
    
    DelawareBawden Drilling International Ltd. (19)
    
    BermudaNoble International Services Ltd. (19)
    
    BermudaTriton Drilling Services Nigeria Limited (20)
    
    NigeriaTriton International de Mexico, S.A. de C.V. (20)
    
    MexicoNoble Drilling (Nederland) B.V. (21)
    
    The NetherlandsNoble Drilling Asset (M.E.) Ltd. (22)
    
    Cayman IslandsNoble Rochford Drilling (North Sea) Ltd. (22)
    
    Cayman IslandsTSIA International (Antilles) N.V. (22)
    
    The Netherlands AntillesArktik Drilling Limited, Inc. (23)
    
    BahamasNoble Drilling International Ltd. (24)
    
    BermudaNoble Drilling International Services Pte Ltd. (24)
    
    SingaporeNoble Drilling (Malaysia) Sdn. Bhd. (24)
    
    MalaysiaNoble Drilling Arabia Limited (25)
    
    Saudi ArabiaNoble Drilling de Venezuela C.A. (25)
    
    VenezuelaNoble Offshore de Venezuela C.A. (25)
    
    VenezuelaNoble Drilling (U.K.) Ltd. (26)
    
    U.K.Noble Drilling (Land Support) Limited (26)
    
    U.K.Noble Operating (M.E.) Ltd. (27)
    
    Cayman IslandsResolute Insurance Group Ltd. (28)
    
    Bermuda
 
 1
    
    100% owned by Noble Corporation2
    
    100% owned by Noble Holding (U.S.) Corporation3
    
    100% owned by Noble Holding International Limited4
    
    100% owned by Noble Holding Europe Sarl5
    
    100% owned by Noble Downhole Technology Ltd.6
    
    100% owned by Noble Engineering & Development Limited7
    
    100% owned by Noble Drilling Corporation8
    
    100% owned by Noble Drilling (Deutschland) GmbH9
    
    100% owned by Noble Drilling Holding LLC10
    
    Joint venture (owned 49% by Noble Drilling Holding LLC)11
    
    99% owned by Noble Drilling Holding Limited AG, 1% owned by Noble Drilling Holding LLC12
    
    100% owned by Noble Drilling (Denmark) Holding ApS13
    
    100% owned by Noble Drilling (U.S.) Inc.14
    
    100% owned by Noble Drilling International Inc.15
    
    100% owned by Triton Engineering Services Company16
    
    95% owned by Noble Drilling International Inc., 5% owned by Noble Drilling (U.S.) Inc.17
    
    99% owned by Noble Drilling Services Norge AS18
    
    99% owned by Noble Drilling Holding LLC, 1% owned by Noble Asset Company Limited19
    
    100% owned by Noble Drilling (Canada) Ltd.20
    
    100% owned by Triton International, Inc.21
    
    100% owned by Noble Drilling (Denmark) ApS22
    
    100% owned by Noble Asset Company Limited23
    
    Joint venture (owned 82% by Noble Asset Company Limited)24
    
    100% owned by Noble Enterprises Limited (70% in the case of Noble Drilling (Malaysia) Sdn. Bhd.)25
    
    100% owned by Noble International Limited26
    
    100% owned by Noble Drilling (N.S.) Limited27
    
    100% owned by Noble Drilling Asset (M.E.) Ltd.28
    
    100% owned by Bawden Drilling International Ltd.