Exhibit 3.56

MC-248434 Qe.rtific-ate Qf Inc-0rporation I, D. EVADNE EBANKS Assistant RegistrafofCompanies of the Cayman Islands DO HEREBYCERTIFY,pursuanttotneCompaniesLaw C:AP •. 22, that all reqyire.me11ts of the said Lawin resfi£ct of registrmion wer~ complied lfith by . ENSCO Development Limited an Exempted Company incorporated in the Cayman Islaiuls with Limited Liability with effect from the 24th day of November Two ThausandTen - C - ~ _ _ --c - _ '_ _ :_ ---~ _ C _ -- C C Given ~rmJi~hapilczndSeal atGeorgeTown in the lslandof Grand Cayman this 24th day of November Two.Thousand Ten ~51·rstant Registrar of Companies, Cayman Islands.