[12] Patent
[11] Patent No.:GC0007570  
[45] Date of Publishing the Grant of the Patent: 30/Apr /2018                48/2018  
Number of the Decision to Grant the Patent:2018/126003
Date of the Decision to Grant the Patent:15/Apr/2018

[21] Application No.:GC 2012-22874

[22] Filing Date:24/11/2012

[30] Priority:

[33] State [32] Priority date [31] Priority No.
IT
23/11/2011
MI2011A002130

[72] Inventors:1- Alessandro VALSECCHIĜŒ2- Luigi LANFRANCHI

[73] Owner: SAIPEM S.p.A., Via Martiri di Cefalonia, 67, 20097, SAN DONATO MILANESE , Italy

[74] Agent: Saba & Co. T.M.P

  

 

  

[51]IPC:
Int. Cl.: E02B 17/02, B63B 35/00 (2006.01)

[56] Cited Documents:

-JP 60 095017 A (MITSUBISHI HEAVY IND LTD) 28 May 1985
-NL 7 510 126 A (MANNESMANN ROEHR EN WERKE AG) 4 March 1976
-GB 2 080 860 A (METALLIQUES ENTREPR CIE FSE) 10 February 1982
-WO 2004/046467 Al (ENSCO I NTERNAT INC [US]) 3 June 2004
 
Examiner: Eng. Mohammed A. AlJaafar

[54] SYSTEM AND METHOD OF EXECUTING AN UNDERWATER WELL DRILLING PROGRAM IN THE BED OF A BODY OF WATER, AND AUXILIARY FLOATING UNIT
[57] Abstract: A system for executing an underwater well drilling program in the bed (2) of a body of water (3) has a jack-up (1) having a floating structure (6) and a drilling installation (8) supported on the floating structure (6); and an auxiliary floating unit (12) connectable selectively to the jack-up (1) to allow transfer of the jack-up (1) over the body of water (3), even in very shallow water.Main drawing : Figure 1
No. of claims: 10     No. of figures: 6


 

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