Drilling system and method
AssigneeNational Oilwell Varco Norway AS
InventorsMarco Plano, Roar Berge
Life of this patent
Estimating the term…
Abstract
Disclosed is a drilling system and a method for drilling a well. The drilling system includes a coilable drill string; a first reel for storing the coilable drill string; a drive means for driving the coilable drill string into the well from the first reel and out of the well to the first reel; and a deflection means for directing the coilable drill string between the first reel and into the well centre. The drilling system further includes a top drive. The coilable drill string is provided with: a first connection at a first end for connecting the coilable drill string to a bottom-hole-assembly and a second connection at a second end for connecting the coilable drill string to the top drive.
Claims16
Drilling system for drilling a well, the drilling system having a well centre through which a drill string may be run into and pulled out of the well, said drilling system comprising:
- a coilable drill string;
- a first reel for storing said coilable drill string;
- a drive means for driving said coilable drill string into the well from said first reel and out of the well to said first reel;
- a deflection means for directing said coilable drill string between said first reel and into said well centre;
- a top drive;
- wherein said coilable drill string is provided with:
- a first connection at a first end thereof for connecting the coilable drill string to a bottom-hole-assembly;
- and
- a second connection at a second end thereof for directly connecting the coilable drill string to said top drive.
Drilling system for drilling a well, the drilling system having a well centre through which a drill string may be run into and pulled out of the well, said drilling system comprising:
- a coilable drill string;
- a first reel for storing said coilable drill string;
- a drive means for driving said coilable drill string into the well from said first reel and out of the well to said first reel;
- a deflection means for directing said coilable drill string between said firsts reel and into said well centre;
- a top drive;
- wherein said coilable drill is provided with:
- a first connection at a first end thereof for connecting the coilable drill string to a bottom-hole-assembly;
- and
- a second connection to a second end thereof for connecting the coilable drill string to said top drive, wherein said coilable drill string comprises a plurality of connected drill pipes.
Drilling system for drilling a well, the drilling system having a well centre through which a drill string may be run into and pulled out of the well, said drilling system comprising:
- a coilable drill string;
- a first reel for storing said coilable drill string;
- a drive means for driving said coilable drill string into the well from said first reel and out of the well to said first reel;
- a deflection means for directing said coilable drill string between said first reel and into said well centre;
- a top drive;
- wherein said coilable drill is provided with:
- a first connection at a first end thereof for connecting the coilable drill string to a bottom-hole-assembly;
- and
- a second connection to a second end thereof for connecting the coilable drill string to said top drive, wherein said top drive is connectable to said second end of the coilable drill string via a drill stand.
Dependencies are inferred from the claim text.