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Exhibit 21.1
 NOBLE
CORPORATION SUBSIDIARIES (as of February 28, 2007)
 SUBSIDIARY NAME
    
    INCORPORATED OR ORGANIZED IN:Noble Investment Capital AS (1)
    
    NorwayNoble Holding (U.S.) Corporation (1)
    
    DelawareNoble
Holding Europe S. à r. l. (1)
    
    LuxembourgNoble Holding International (Cayman) Ltd. (1)
    
    Cayman IslandsNoble Holding International (Cayman NHIL) Ltd. (1)
    
    Cayman IslandsNoble Drilling Corporation (2)
    
    DelawareMaurer Technology Incorporated (2)
    
    DelawareNoble Drilling Holding AG (3)
    
    SwitzerlandNoble Drilling (Denmark) Holding ApS (3)
    
    DenmarkNoble Downhole Technology Ltd. (4)
    
    Cayman IslandsNoble Drilling (Cyprus) Limited (4)
    
    CyprusTriton Engineering Services Company (5)
    
    DelawareNoble Carl Norberg LLC (5)
    
    DelawareNoble Earl Frederickson LLC (5)
    
    DelawareNoble Drilling International Inc. (5)
    
    DelawareNoble Drilling Services Inc. (5)
    
    DelawareNoble Drilling (U.S.) Inc. (5)
    
    DelawareNoble Brasil Investimentos e Participacoes Ltda. (6)
    
    BrazilNoble Drilling Norway AS (7)
    
    NorwayNoble Drilling Services Norge AS (7)
    
    NorwayNoble Drilling (Deutschland) GmbH (8)
    
    GermanyNoble Technology (Canada) Ltd. (8)
    
    CanadaNoble Engineering & Development Limited (8)
    
    Cayman IslandsTriton International, Inc. (9)
    
    DelawareTriton Engineering Services Company, S.A. (9)
    
    VenezuelaNoble Drilling (Canada) Ltd. (10)
    
    Alberta, CanadaNoble Drilling International (Cayman) Ltd. (11)
    
    Cayman IslandsMaregem AS (12)
    
    NorwayWELLDONE Engineering GmbH (13)
    
    GermanyNoble Engineering & Development de Venezuela C.A. (14)
    
    VenezuelaNoble Holding International Limited (15)
    
    Cayman IslandsTriton International de Mexico, S.A. de C.V. (16)
    
    MexicoTriton Drilling Services Nigeria Limited (16)
    
    NigeriaBawden Drilling Inc. (17)
    
    DelawareBawden Drilling International Ltd. (17)
    
    Bermuda372733 Alberta Inc. (17)
    
    Alberta, CanadaNoble International Services Ltd. (17)
    
    BermudaNoble Drilling Leasing LLC (18)
    
    DelawareNoble John Sandifer LLC (18)
    
    DelawareNoble Bill Jennings LLC (18)
    
    DelawareNoble Drilling Exploration Company (18)
    
    DelawareNoble Leonard Jones LLC (18)
    
    DelawareNoble (Gulf of Mexico) Inc. (18)
    
    DelawareNoble Drilling (Jim Thompson) Inc. (18)
    
    DelawareNoble Asset Mexico LLC (18)
    
    DelawareNoble Johnnie Hoffman LLC (18)
    
    Delaware




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NOBLE CORPORATION SUBSIDIARIES (as of February 28, 2007)
 SUBSIDIARY NAME
    
    INCORPORATED OR ORGANIZED IN:Noble Drilling Americas LLC (19)
    
    DelawareNoble Drilling Holding LLC (19)
    
    DelawareNoble International Services LLC (19)
    
    DelawareNoble North Africa Limited (19)
    
    Cayman IslandsResolute Insurance Group Ltd. (20)
    
    BermudaSedco Dubai LLC (21)
    
    Dubai, UAENoble (Middle East) Limited (22)
    
    Cayman IslandsNoble International Limited (22)
    
    Cayman IslandsInternational Directional Services Ltd. (22)
    
    BermudaNoble Contracting Sàrl (22)
    
    SwitzerlandNoble Enterprises Limited (22)
    
    Cayman IslandsNoble Mexico Services Limited (22)
    
    Cayman IslandsNoble-Neddrill International Limited (22)
    
    Cayman IslandsNoble Asset Company Limited (22)
    
    Cayman IslandsNoble Asset (U.K.) Limited (22)
    
    Cayman IslandsNoble Drilling (Nigeria) Ltd. (22)
    
    NigeriaNoble Drilling (Paul Wolff) Ltd. (22)
    
    Cayman IslandsNoble Drilling (Denmark) ApS (22)
    
    DenmarkNoble Mexico Limited (22)
    
    Cayman IslandsNoble Drilling (N.S.) Limited (22)
    
    United KingdomNoble International Finance Company (22)
    
    Cayman IslandsNoble Drilling (TVL) Ltd. (22)
    
    Cayman IslandsNoble Drilling (Carmen) Limited (22)
    
    Cayman IslandsNoble Campeche Limited (22)
    
    Cayman IslandsNoble Gene Rosser Limited (22)
    
    Cayman IslandsNoble Offshore Mexico Limited (22)
    
    Cayman IslandsNoble Offshore Contracting Limited (22)
    
    Cayman IslandsNoble do Brasil Ltda. (23)
    
    BrazilNoble Drilling Arabia Limited (24)
    
    Saudi ArabiaNoble Drilling de Venezuela C.A. (24)
    
    VenezuelaNoble Offshore de Venezuela C.A. (24)
    
    VenezuelaNoble Drilling International Services Pte. Ltd. (25)
    
    SingaporeNoble Drilling (Malaysia) Sdn. Bhd. (25)
    
    MalaysiaNoble Drilling International Ltd. (25)
    
    BermudaTSIA International (Antilles) N.V. (26)
    
    The Netherlands AntillesArktik Drilling Limited, Inc. (27)
    
    BahamasNoble Rochford Drilling (North Sea) Ltd. (26)
    
    Cayman IslandsNoble Drilling Asset (M.E.) Ltd. (26)
    
    Cayman IslandsNoble Drilling (Nederland) B.V. (28)
    
    The NetherlandsNoble Drilling (Land Support) Limited (29)
    
    United KingdomNoble Drilling (U.K.) Ltd. (29)
    
    United KingdomNoble Operating (M.E.) Ltd. (30)
    
    Cayman Islands
 
 1
    
    100% owned by Noble Corporation (in the case of Noble Holding (U.S.) Corporation, 42.4% owned by
Noble Corporation and 57.6% owned by Noble Drilling International (Cayman) Ltd.)2
    
    100% owned by Noble Holding (U.S.) Corporation




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3
    
    100% owned by Noble Holding Europe S.àr.l.4
    
    100% owned by Noble Holding International (Cayman) Ltd.5
    
    100% owned by Noble Drilling Corporation6
    
    99% owned by Noble Drilling Holding AG, 1% owned by Noble Drilling Holding LLC7
    
    100% owned by Noble Drilling (Denmark) Holding ApS8
    
    100% owned by Noble Downhole Technology Ltd.9
    
    100% owned by Triton Engineering Services Company10
    
    100% owned by Noble Drilling International Inc.11
    
    95% owned by Noble Drilling International Inc., 5% owned by Noble Drilling (U.S.) Inc.12
    
    100% owned by Noble Drilling Services Norge AS13
    
    100% owned by Noble Drilling (Deutschland) GmbH14
    
    100% owned by Noble Engineering & Development Limited15
    
    50% owned by Noble Holding International (Cayman) Ltd., 50% owned by Noble Holding International
(Cayman NHIL) Ltd.16
    
    100% owned by Triton International, Inc.17
    
    100% owned by Noble Drilling (Canada) Ltd.18
    
    100% owned by Noble Drilling (U.S.) Inc.19
    
    100% owned by Noble Holding International Limited20
    
    100% owned by Bawden Drilling International Ltd.21
    
    Joint venture (owned 49% by Noble Drilling Holding LLC)22
    
    100% owned by Noble Drilling Holding LLC23
    
    99% owned by Noble Drilling Holding LLC, 1% owned by Noble Asset Company Limited24
    
    100% owned by Noble International Limited25
    
    100% owned by Noble Enterprises Limited (70% in the case of Noble Drilling (Malaysia) Sdn. Bhd.)26
    
    100% owned by Noble Asset Company Limited27
    
    Joint venture (owned 82% by Noble Asset Company Limited)28
    
    100% owned by Noble Drilling (Denmark) ApS29
    
    100% owned by Noble Drilling (N.S.) Limited30
    
    100% owned by Noble Drilling Asset (M.E.) Ltd.