Technique de carottage

Ci-joint le lien permettant de découvrir le nouveau système de carottage utilisé à bord du Joides Résolution:

http://planetseed.com/node/15303

A	=	Riser
B	=	Drillpipe
C	=	Drilling fluid is pumped down through drillpipe.
D	=	Drilling fluid and cuttings flow up between the drillpipe and the riser.
E	=	Blowout preventer
F	=	Seafloor
G	=	Casing
H	=	Open hol