(19)
(11) EP 0 566 584 A1

(12)

(43) Date of publication:
27.10.1993 Bulletin 1993/43

(21) Application number: 92900165.0

(22) Date of filing: 06.11.1991
(51) International Patent Classification (IPC): 
B63B 35/ 00( . )
E02B 17/ 00( . )
B63B 35/ 38( . )
(86) International application number:
PCT/US1991/008299
(87) International publication number:
WO 1992/008007 (14.05.1992 Gazette 1992/11)
(84) Designated Contracting States:
GB NL

(30) Priority: 06.11.1990 US 19900609927

(71) Applicant: ROWAN COMPANIES, INC.
Houston, TX 75056-6169 (US)

(72) Inventors:
  • YEARGAIN, Charles, Wesley
    Houston, TX 77024 (US)
  • McNEASE, Daniel, Frank
    Tomball, TX 88735 (US)
  • MOODY, Michael, Dwayne
    New Iberia, LA 70560 (US)

(74) Representative: Deans, Michael John Percy 
Lloyd Wise, Tregear & CO. Norman House 105-109 Strand
London WC2R OAE
London WC2R OAE (GB)

   


(54) METHOD AND APPARATUS FOR TRANSFERRING A DRILLING APPARATUS FROM A MOVABLE VESSEL TO A FIXED STRUCTURE