2Charlez P A,Simondin A A.Collection of innovative answers to solve the main problematics encountered when drilling deep water prospects[A].OTC 15234,2003.
3Gaddy E D.Industry group studies dual-gradient drilling[J].Oil & Gas Journal,1999,97(33):32.
4Bourgoyne A T.Overview of dual-density drilling[R].Houston:DOE/MMS Deepwater Dual-Density Drilling Workshop,2002.
7Smith K L,Gault A D,Witt D E,et al.Subsea mudlift drilling joint industry project:delivering dual gradient drilling technology to industry[A].SPE 71357,2001.
8Schumacher J P,Dowell J D,Ribbeck L R,et al.Subsea MudLift Drilling (SMD):planning and preparation for the first subsea field test of a full scale dual gradient drilling system at green canyon 136,Gulf of Mexico[A].SPE 71358,2001.
9Eggemeyer J C,Akins M E,Brainard P E,et al.SubSea mudlift drilling:design and implementation of a dual gradient drilling system[A].SPE71359,2001.
10Schubert J J,Juvkam-Wold H C,Weddle C E,et al.HAZOP of well control procedures provides assurance of the safety of the subsea mudlift drilling system[A].IADC/SPE 74482,2003.
