Attached files

file filename
10-K - FORM 10-K - ATWOOD OCEANICS INCf10knov2010.htm
EX-13.1 - ANNUAL REPORT - ATWOOD OCEANICS INCex13_1.htm
EX-31.1 - CERTIFICATION OF CEO - ATWOOD OCEANICS INCexh31_1.htm
EX-31.2 - CERTIFICATION OF CFO - ATWOOD OCEANICS INCexh31_2.htm
EX-32.1 - CERTIFICATION OF CEO - ATWOOD OCEANICS INCexh32_1.htm
EX-32.2 - CERTIFICATION OF CFO - ATWOOD OCEANICS INCexh32_2.htm
EX-23.1 - CONSENT OF INDEPENDENT REGISTERED PA FIRM - ATWOOD OCEANICS INCexh23_1.htm
EXCEL - IDEA: XBRL DOCUMENT - ATWOOD OCEANICS INCFinancial_Report.xls



Exhibit 21.1
 
ATWOOD OCEANICS, INC.
SUBSIDIARY AND AFFILIATED COMPANIES, STATE OR
JURISDICTION OF INCORPORATION AND OWNERSHIP PERCENTAGE

Alpha Aurora Company
Cayman Islands
    100 %
Alpha Beacon Company
Cayman Islands
    100 %
Alpha Eagle Company
Cayman Islands
    100 %
Alpha Falcon Company
Cayman Islands
    100 %
Alpha Falcon Drilling Company
Cayman Islands
    100 %
Alpha Hunter Company
Cayman Islands
    100 %
Alpha Leasing Drilling Limited
Mauritius
    100 %
Alpha Offshore Drilling (Cambodia) Ltd.
Cambodia
    100 %
Alpha Offshore Drilling (S) Pte. Ltd.
Singapore
    100 %
Alpha Offshore Drilling Services Company
Cayman Islands
    100 %
Alpha Offshore Drilling Services Company – Free Zone
Egypt
    100 %
Alpha Offshore Drilling Services Company (Ghana) Ltd.
Ghana
    100 %
Alpha Offshore International Leasing Limited
UK
    100 %
Alpha Seahawk Company
Cayman Islands
    100 %
ATW Management, Inc.
Delaware
    100 %
Atwood Australian Waters Drilling Pty. Ltd.
Australia
    100 %
Atwood Deep Seas, Ltd. (Partnership)
Texas
    100 %
Atwood Drilling Inc.
Delaware
    100 %
Atwood Hunter Co.
Delaware
    100 %
Atwood Malta Holding Company Limited
Malta
    100 %
Atwood Management, Inc.
Delaware
    100 %
Atwood Oceanics Australia Pty. Ltd.
Australia
    100 %
Atwood Oceanics Australia Superannuation Fund Pty. Ltd.
Australia
    100 %
Atwood Oceanics Drilling Pty. Ltd.
Australia
    100 %
Atwood Oceanics International Limited
Cayman Islands
    100 %
Atwood Oceanics Leasing Ltd.
Malaysia
    100 %
Atwood Oceanics (M) Sdn. Bhd.
Malaysia
    100 %
Atwood Oceanics Malta Ltd.
Malta
    100 %
Atwood Oceanics Management, L.P. (Partnership)
Delaware
    100 %
Atwood Oceanics (NZ) Limited
New Zealand
    100 %
Atwood Oceanics Pacific Limited
Cayman Islands
    100 %
Atwood Oceanics Platforms Pty. Ltd.
Australia
    100 %
Atwood Oceanics Services Pty. Ltd.
Australia
    100 %
Atwood Oceanics West Tuna Pty. Ltd.
Australia
    100 %
Atwood Offshore Drilling Ltd.
Hong Kong
    100 %


 
 

 

ATWOOD OCEANICS, INC.
SUBSIDIARY AND AFFILIATED COMPANIES, STATE OR
JURISDICTION OF INCORPORATION AND OWNERSHIP PERCENTAGE


Aurora Offshore Services GmbH
Germany
    100 %
Clearways Offshore Drilling Sdn. Bhd.
Malaysia
    49 %
Drillquest International Offshore Drilling Services Company
Cayman Islands
    100 %
Drillquest Offshore Company
Cayman Islands
    100 %
Pacific Offshore Labor Company
Cayman Islands
    100 %
PT Alpha Offshore Drilling
Indonesia
    100 %
PT Pentawood Offshore Drilling
Indonesia
    80 %
Swiftdrill, Inc.
Cayman Islands
    100 %
Swiftdrill Malta (Partnership)
Malta
    100 %
Swiftdrill Nigeria Limited
Nigeria
    60 %
Swiftdrill Offshore Drilling Services Company
Cayman Islands
    100 %