UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: July 13, 2009 2:00 P.M.
Form: S-3
CIK: 0001419428
Company Name: Vantage Drilling CO
File Number: 333-159299
CIK: 0001380565
Company Name: Vantage Energy Services, Inc.
File Number: 333-159299-19
CIK: 0001465860
Company Name: VANTAGE INTERNATIONAL MANAGEMENT PTE LTD.
File Number: 333-159299-18
CIK: 0001465862
Company Name: VANTAGE INTERNATIONAL MANAGEMENT CO.
File Number: 333-159299-17
CIK: 0001465861
Company Name: VANTAGE INTERNATIONAL PAYROLL CO.
File Number: 333-159299-16
CIK: 0001465872
Company Name: OFFSHORE GROUP INVESTMENT Ltd
File Number: 333-159299-15
CIK: 0001465876
Company Name: EMERALD DRILLER Co
File Number: 333-159299-14
CIK: 0001465873
Company Name: SAPPHIRE DRILLER Co
File Number: 333-159299-13
CIK: 0001465947
Company Name: AQUAMARINE DRILLER Co
File Number: 333-159299-12
CIK: 0001465869
Company Name: TOPAZ DRILLER Co
File Number: 333-159299-11
CIK: 0001465870
Company Name: VANTAGE DEEPWATER Co
File Number: 333-159299-10
CIK: 0001465874
Company Name: PLATINUM EXPLORER Co
File Number: 333-159299-09
CIK: 0001465868
Company Name: TITANIUM EXPLORER Co
File Number: 333-159299-08
CIK: 0001465875
Company Name: COBALT EXPLORER Co
File Number: 333-159299-07
CIK: 0001465871
Company Name: VANTAGE DRILLER I CO.
File Number: 333-159299-06
CIK: 0001465865
Company Name: VANTAGE DRILLER II CO.
File Number: 333-159299-05
CIK: 0001465866
Company Name: VANTAGE DRILLER III CO.
File Number: 333-159299-04
CIK: 0001465867
Company Name: VANTAGE DRILLER IV CO.
File Number: 333-159299-03
CIK: 0001465864
Company Name: VANTAGE HOLDING HUNGARY KFT
File Number: 333-159299-02
CIK: 0001465863
Company Name: VANTAGE DRILLING NETHERLANDS B.V.
File Number: 333-159299-01