UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: November 22, 2011
Accession Number: 0001193125-11-280154
Submission Type: POS AM
CIK: 0001465872
Company Name: OFFSHORE GROUP INVESTMENT Ltd
File Number: 333-174851
CIK: 0001465873
Company Name: SAPPHIRE DRILLER Co
File Number: 333-174851-16
CIK: 0001465876
Company Name: EMERALD DRILLER Co
File Number: 333-174851-15
CIK: 0001504851
Company Name: MANDARIN DRILLING Corp
File Number: 333-174851-14
CIK: 0001522823
Company Name: P2020 RIG CO.
File Number: 333-174851-13
CIK: 0001504852
Company Name: P2021 RIG CO.
File Number: 333-174851-12
CIK: 0001522817
Company Name: VANTAGE HOLDINGS MALAYSIA I CO.
File Number: 333-174851-11
CIK: 0001465862
Company Name: VANTAGE INTERNATIONAL MANAGEMENT CO.
File Number: 333-174851-10
CIK: 0001465871
Company Name: VANTAGE DRILLER I CO.
File Number: 333-174851-09
CIK: 0001465865
Company Name: VANTAGE DRILLER II CO.
File Number: 333-174851-08
CIK: 0001465866
Company Name: VANTAGE DRILLER III CO.
File Number: 333-174851-07
CIK: 0001465867
Company Name: VANTAGE DRILLER IV CO.
File Number: 333-174851-06
CIK: 0001419428
Company Name: Vantage Drilling CO
File Number: 333-174851-05
CIK: 0001522821
Company Name: VANTAGE DRILLING LABUAN I LTD.
File Number: 333-174851-04
CIK: 0001522853
Company Name: VANTAGE DRILLING (MALAYSIA) I SDN. BHD.
File Number: 333-174851-03
CIK: 0001465863
Company Name: VANTAGE DRILLING NETHERLANDS B.V.
File Number: 333-174851-02
CIK: 0001465864
Company Name: VANTAGE HOLDING HUNGARY KFT
File Number: 333-174851-01