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| Exhibit 21.1 |
| SUBSIDIARIES OF THE REGISTRANT |
| The following list sets forth the name and jurisdiction of incorporation of each subsidiary of the Registrant (other than certain subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary) and the percentage of voting securities owned by each subsidiary's immediate parent as of December 31, 1999. Each such subsidiary is included in the Consolidated Financial Statements. |
| Percentage of Voting Securities Owned by Registrant |
Percentage of Voting Securities Owned by Registrant | ||||
|---|---|---|---|---|---|
| ENSCO Drilling Company (Delaware) | 100 | % | |||
| ENSCO de Venezuela, C.A. (Venezuela) | 100 | % | |||
| ENSCO Drilling (Caribbean), Inc. (Cayman Islands) | 85 | % | |||
| ENSCO Drilling Venezuela, Inc. (Cayman Islands) | 100 | % | |||
| ENSCO Holding Company (Delaware) | 100 | % | |||
| ENSCO Offshore Company (Delaware) | 100 | % | |||
| ENSCO Offshore U.K. Limited (U.K.) | 100 | % | |||
| ENSCO Australia Corporation I (Delaware) | 100 | % | |||
| ENSCO Offshore Partnership (Australia) | 1 | % | |||
| ENSCO Australia Corporation II (Delaware) | 100 | % | |||
| ENSCO Offshore Partnership (Australia) | 99 | % | |||
| ENSCO Incorporated (Texas) | 100 | % | |||
| ENSCO Limited (Cayman Islands) | 100 | % | |||
| ENSCO Marine Company (Delaware) | 100 | % | |||
| ENSCO Oceanics Company (Delaware) | 100 | % | |||
| ENSCO Netherlands Ltd. (Cayman Islands) | 100 | % | |||
| ENSCO Asia Pacific PTE. Limited (Singapore) | 100 | % | |||
| Petroleum Finance Corporation (Cayman Islands) | 100 | % | |||
| ENSCO Brazil Servicos de Petroleo Limitada (Brazil) | 99 | % | |||
| ENSCO Drilling Company (Nigeria), Ltd. (Nigeria) | 99 | % | |||
| ENSCO Offshore International Company (Cayman) | 100 | % | |||
| Dual Holding Company (Delaware) | 100 | % | |||
| ENSCO Offshore Company II (Delaware) | 100 | % | |||
| ENSCO Qatar Company (Delaware) | 100 | % | |||
| ENSCO Oceanics Company II (Delaware) | 100 | % | |||
| ENSCO Maritime Limited (Bermuda) | 100 | % | |||
| Dual Drilling Arabia, Ltd. (Saudi Arabia) | 50 | % | |||
| ENSCO Asia Company (Texas) | 100 | % | |||
| P. T. Dual Perkasa Offshore (Indonesia) | 80 | % | |||
| SOBRAPER Sociedade Brasileira de Perfuacoes (Brazil) | 99 | % | |||
| ENSCO Platform Company (Texas) | 100 | % | |||
| Dual Drilling Nigeria Ltd.(Nigeria) | 100 | % | |||
| Dual Drilling de Venezuela (Venezuela) | 100 | % | |||
| ENSCO Offshore International Company II (Cayman Islands) | 100 | % | |||
| ENSCO Malaysia Company (Delaware) | 100 | % | |||
| Sime Gerudi (M) Sdn. Bhd.(Malaysia) | 49 | % | |||
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